DMP 128 Plus

1. 12 input, 8 output audio digital matrix processor with digital audio expansion port, automixer function with eight groups, 64-bit floating point DSP engine, four input / four output USB audio interface, macros, 8x4 configurable aux inputs / outputs, 16 virtual processing loops, up to eight audio file players, ACP audio control panel support, and 24-bit/48 kHz audio converters
   1. Input Requirements
      1. Shall support twelve mono analog inputs that accepts 3.5 mm captive screw connectors:
         1. Microphone level
         2. Line level, balanced or unbalanced
      2. Shall provide input gain adjustment from -18 dB to +80 dB in 0.1 dB steps, adjustable per input
      3. Shall provide selectable +48 volt phantom power for condenser microphones on first eight inputs
      4. Shall provide analog to digital conversion at 48 kHz sampling rate with 24-bit resolution
   2. Output Requirements
      1. Shall support eight mono line level, balanced or unbalanced outputs that accept 3.5 mm captive screw connectors
      2. Shall provide output attenuation adjustment from 0 dB to -100 dB in 0.1 dB steps, adjustable per output
      3. Shall provide digital to analog conversion at 48 kHz sampling rate with 24-bit resolution
   3. DSP Engine Requirements
      1. Shall provide 64-bit floating point DSP engine
      2. Shall provide a 52x44 mix matrix such that all inputs and returns can be discretely routed to any or all of the outputs or sends
      3. Shall provide a maximum, deterministic latency of 3.2 ms from input to output
      4. Shall provide additional, deterministic latency of 1.3 ms when Virtual Path routing is used
   4. Audio Device Requirements — Input to Output
      1. Shall provide an analog in to analog out signal-to-noise ratio of greater than 107 dB measured from 20 Hz to 20 kHz, at maximum balanced output, unweighted
      2. Shall provide a THD+N measurement of less than 0.01% measured at 20 Hz to 20 kHz, at maximum level
   5. Configuration Software Requirements
      1. Shall provide PC-based DSP Configurator software allowing flexible control of the digital signal processor’s fixed architecture
      2. Shall provide a Live mode for real-time control of parameters without compiling and file uploading to processor
      3. Shall provide an Emulate mode for offline configuration
      4. Shall provide single, scrollable window for viewing of all inputs and outputs, audio processing blocks, routing, mix points, and virtual routing
      5. Shall provide setup and configuration of digital audio processing tools including, but not limited to: Filters (high pass, low pass, bass shelving, treble shelving, parametric, dynamic loudness, and notch EQ); Dynamics processing (AGC, Compressor, Limiter, Noise Gate); Delay processing; Ducking and Adaptive Gain processing; Feedback Suppressor processing, Automixing; and multiple gain stages
      6. Shall provide cut, copy, paste editing between processing blocks
      7. Shall provide matrix routing with integrated mix point gain adjustment between inputs, outputs, aux inputs, aux outputs, virtual sends, virtual returns, expansion inputs, and expansion outputs
      8. Shall provide a library of pre-designed processor settings for inputs and outputs with user-customizable parameters
      9. Shall provide Group Master controls for consolidation of individual gain or mute control members of the same type into one point of control
      10. Shall provide Soft Limits settings to define upper and lower control limits on Group Masters for use with external controls
      11. Shall provide Presets for recall of any processing block setting, level setting or audio routing; presets shall be saved for the entire system, or any selected partial group of inputs, outputs, mix points, and DSP blocks
      12. Shall provide real-time metering of levels within each Input Gain, AGC, Compressor, Limiter, Noise Gate, Automixer, and Output Attenuation processing block in Live mode
      13. Shall provide a Meter Bridge window for real-time metering of all input and output channels with clipping indication in Live mode
      14. Shall provide keyboard-based navigation of configuration software utilizing directional controls, keyboard shortcuts, and spreadsheet software-style commands
      15. Shall provide file saving in both Live and Emulate mode
      16. Shall provide file upload in Live mode
      17. Shall provide configuration and file saving of multiple, linked or networked processors from a single configuration software session
   6. Aux Input/Output Requirements
      1. Shall provide a total of 8 Aux Inputs to be configured with a combination of file players and USB audio connections.
      2. Shall provide a total of 4 Aux Outputs, assignable to USB audio connections.
   7. Expansion Port Requirements
      1. Shall provide digital audio expansion port for bidirectional signal routing between two connected processors at sub-millisecond latency
      2. Shall support 16 incoming signals and 16 outgoing signals
      3. Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
      4. Product shall include as standard, 1 foot (0.3 m) shielded CAT 6 cable for the purposes of interconnecting two units
   8. Automixer Requirements
      1. Shall provide Automixer Group selection for optional channel assignment into any of eight groups
      2. Shall provide gated and gain sharing automixer types
      3. Shall provide Last Open Mic Priority and Chairman Priority modes
      4. Shall provide Max Number of Open Microphone parameter from 1 to 12 microphones
      5. Shall provide Gate Threshold level and adjustable Off Reduction level for gated channels
      6. Shall provide adjustable parameters for Attack, Hold, and Release times
      7. Shall provide real-time metering of Signal Level, Gate Status, and Gate Threshold target from within the Automix parameter setup window
      8. Shall provide global view with Gate Status indication of all channels assigned to an automixer group
   9. Control Requirements
      1. Shall accept an RJ-45 connector to provide Ethernet monitoring and control using standard TCP/IP protocols to support real-time monitoring and system management over a LAN or WAN
      2. Shall accept 3.5 mm captive screw connectors to support bidirectional RS-232
      3. Shall provide an ACP audio control port to support the use of Extron Audio Control Panels.
      4. Shall provide a female USB mini type B port for software control
      5. Shall support remote control operation via external control system using Simple Instruction Set commands sent over RS-232, Ethernet, or USB
      6. Shall provide 8 sets of 3 configurable digital I/O ports that accept 3.5 mm captive screw connectors and can be programmed to sense and then respond to external triggers
   10. Front Panel Requirements
       1. Shall provide a green LED for power indication
       2. Shall provide Configuration port that accepts a USB mini type B connector
       3. Shall provide green LEDs for Expansion port, LAN port, and USB audio interface activity indication
       4. Shall provide green LEDs for input and output signal presence indication
       5. Shall provide red LEDs for input and output clip warning indication
   11. Rear Panel Requirements
       1. Shall provide 12 inputs that accept 3.5 mm captive screw connectors
       2. Shall provide 8 outputs that accept 3.5 mm captive screw connectors
       3. Shall provide a 4x4 digital audio interface on a mini USB B port
       4. Shall provide 8 digital input and 16 digital output ports that accept 3.5 mm captive screw connectors
       5. Shall provide bidirectional RS-232 port that accepts 3.5 mm captive screw connector
       6. Shall provide Expansion port that accepts an RJ-45 connector
       7. Shall provide Ethernet host port that accepts an RJ-45 connector
       8. Shall provide an ACP audio control port that accepts a 3.5 mm captive screw connector
   12. General Requirements
       1. Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
       2. Shall be enclosed in a rack-mountable 1U, full rack width metal enclosure
       3. Shall meet regulatory compliances
          1. Shall meet safety compliances under CE, c-UL, and UL
          2. Shall meet EMI/EMC compliances under CE, C-tick, FCC Class A, ICES, and VCCI
          3. Shall comply with appropriate requirements of RoHS and WEEE
       4. Shall provide three year parts and labor warranty
2. Approved device shall be the Extron DMP 128 Plus, part number 60-1511-01; no alternates or equals.

1. Requisiti input
   1. 12 input analogici mono microfono/linea
   2. Guadagno in ingresso regolabile per input da -18 dB a +80 dB in incrementi di 0,1 dB
   3. Alimentazione phantom a +48 V sui primi 8 input
   4. Conversione analogico/digitale a 48 kHz/24 bit
2. Requisiti output
   1. 8 output mono di linea
   2. Attenuazione in uscita regolabile da 0 dB a -100 dB in incrementi di 0,1 dB
   3. Conversione digitale/analogico a 48 kHz/24 bit
3. Requisiti del processore DSP
   1. Processore DSP floating point a 64 bit
   2. Latenza deterministica input-output massima di 3,2 ms
   3. Latenza deterministica aggiuntiva di 1,3 ms con routing sui percorsi virtuali attivato
4. Requisiti dispositivo audio — Input/output
   1. Rapporto S/N da input ad output analogico >107 dB, da 20 Hz a 20 kHz con output massimo, non ponderato
   2. Valore THD+N < 0,01%, da 20 Hz a 20 kHz, livello massimo
5. Requisiti del software di configurazione
   1. Software di configurazione su computer per il controllo dell'architettura fissa del processore DSP
   2. Modalità live per controllo in tempo reale senza dover compilare e caricare file di configurazione
   3. Modalità di emulazione per configurazioni off-line
   4. Finestra singola con una panoramica di tutti gli input/output, blocchi di elaborazione e routing
   5. Funzioni di modifica tramite comandi taglia, copia e incolla fra i blocchi di elaborazione
   6. Libreria di impostazioni preconfigurate del processore, con parametri definibili dall'utente
   7. Il gruppo principale "Group Master" riunisce i membri dello stesso tipo in un unico punto di controllo
   8. Limiti soft per i limiti di controllo superiori e inferiori dei gruppi principali
   9. Preset disponibili per qualsiasi impostazione dei blocchi di elaborazione, impostazione del livello o routing audio
   10. Preset disponibili per salvare l'intero sistema oppure I/O, punti di mixaggio e blocchi DSP specifici
   11. Finestra di indicazione dei livelli per una verifica in tempo reale di tutti gli input e output
   12. Navigazione a tastiera del software di configurazione
   13. Configurazione e salvataggio file di processori multipli in rete o di unità collegate da una singola sessione del software di configurazione
6. Requisiti input/output Aux
   1. 8 input Aux configurabili come lettori file e collegamenti audio USB
   2. 4 output Aux, assegnabili ai collegamenti audio USB
7. Requisiti della porta di espansione
   1. Porta di espansione dell'audio digitale per routing bidirezionale dei segnali fra due processori collegati con latenza inferiore al millisecondo
   2. 16 segnali in entrata e 16 segnali in uscita
   3. Audio digitale senza compressione a 48 kHz/24 bit
8. Requisiti del mixer automatico
   1. Selezione di uno qualsiasi degli 8 gruppi del mixer automatico disponibili
   2. Modalità di chiusura dei canali dei microfoni e di condivisione del guadagno per il mixer automatico
   3. Priorità assegnabile ai microfoni tramite opzioni Last Open Mic e Chairman
   4. Possibilità di impostare il numero massimo di microfoni attivi simultaneamente (NOM) da 1 a 12
   5. Livello soglia di chiusura e possibilità di ridurre il livello di disattivazione per i canali con noise gate attivo
   6. Verifica dei livelli in tempo reale nella finestra di setup dei parametri del mixer automatico
   7. Indicazione dello stato di chiusura di tutti canali assegnati a un gruppo del mixer automatico
9. Requisiti audio networking Dante
   1. 48 canali in ingresso e 24 canali in uscita
      1. È possibile inoltrare 8 canali in ingresso al posto degli input analogici per elaborazione dei segnali
   2. Reti audio Dante primarie e ridondanti
   3. Switch Gigabit a 4 porte interno
   4. Audio digitale senza compressione a 48 kHz/24 bit
   5. Valori di latenza selezionabili fra 0,25, 0,5, 1, 2 o 5 ms
10. Requisiti di controllo
    1. Monitoraggio e controllo Ethernet mediante protocolli TCP/IP standard
    2. RS-232 bidirezionale
    3. Porta di controllo audio per il supporto di pannelli di controllo audio
    4. Una porta USB mini B per controllo tramite software
    5. Controllo con l'utilizzo di comandi SIS (Simple Instruction Set) tramite RS-232, Ethernet o USB
    6. 8 set di 3 porte I/O digitali configurabili
11. Requisiti del pannello anteriore
    1. Indicatore LED con luce verde di presenza dell'alimentazione
    2. Porta di configurazione su connettore USB mini B
    3. Indicatori LED con luce verde per la porta di espansione, per la porta LAN e per l'audio USB
    4. Indicatori LED con luce verde di presenza del segnale in ingresso e in uscita
    5. Indicatori LED di avvertimento con luce rossa di saturazione del segnale in ingresso e in uscita
12. Requisiti del pannello posteriore
    1. 12 input su connettori a morsetto da 3,5 mm
    2. 8 output su connettori a morsetto da 3,5 mm
    3. Interfaccia audio digitale 4x4 su porta USB mini B
    4. 8 input digitali e 16 output digitali su connettori a morsetto da 3,5 mm
    5. Porta RS-232 bidirezionale su un connettore a morsetto da 3,5 mm
    6. Porta di espansione su un connettore RJ-45
    7. Porta host Ethernet su un connettore RJ-45
    8. Porta di controllo audio su un connettore a morsetto da 3,5 mm
13. Requisiti generali
    1. Alimentatore interno universale da 100-240 V AC
    2. Contenitore metallico full-rack da 1U montabile a rack
    3. Raffreddamento per convezione
    4. Conformità alle normative applicabili fra cui CE, c-UL, UL, C-tick, FCC Classe A, ICES, VCCI, RoHS e RAEE
    5. Garanzia di 3 anni su componenti e manodopera

1. Requisiti input
   1. 12 input analogici mono microfono/linea
   2. Guadagno in ingresso regolabile per input da -18 dB a +80 dB in incrementi di 0,1 dB
   3. Alimentazione phantom a 48 V sui primi otto input
   4. Conversione analogico/digitale a 48 kHz/24 bit
2. Requisiti output
   1. 8 output mono di linea
   2. Attenuazione in uscita regolabile da 0 dB a -100 dB in incrementi di 0,1 dB
   3. Conversione digitale/analogico a 48 kHz/24 bit
3. Requisiti del processore DSP
   1. Processore DSP floating point a 64 bit
   2. Latenza deterministica input-output massima di 3,2 ms
   3. Latenza deterministica aggiuntiva di 1,3 ms con routing sui percorsi virtuali attivato
   4. Latenza deterministica aggiuntiva di 12 ms con elaborazione AEC attivata
4. Requisiti dispositivo audio — Input/output
   1. Rapporto S/N da input ad output analogico >107 dB, da 20 Hz a 20 kHz con output bilanciato massimo, non ponderato
   2. Valore THD+N < 0,01%, da 20 Hz a 20 kHz, livello massimo
5. Requisiti del software di configurazione
   1. Software di configurazione su computer per il controllo dell'architettura fissa del processore DSP
   2. Modalità Live per controllo in tempo reale senza dover compilare e caricare file di configurazione
   3. Modalità Emulate per configurazioni off-line
   4. Finestra singola con una panoramica di tutti gli input/output, blocchi di elaborazione e routing
   5. Funzioni di modifica tramite comandi taglia, copia e incolla fra i blocchi di elaborazione
   6. Libreria di impostazioni preconfigurate del processore, con parametri definibili dall'utente
   7. Il gruppo principale "Group Master" riunisce i membri dello stesso tipo in un unico punto di controllo
   8. Limiti soft per i limiti di controllo superiori e inferiori dei gruppi principali
   9. Preset disponibili per qualsiasi impostazione dei blocchi di elaborazione, impostazione del livello o routing audio
   10. Preset disponibili per salvare l'intero sistema oppure I/O, punti di mixaggio e blocchi DSP specifici
   11. Finestra di indicazione dei livelli per una verifica in tempo reale di tutti gli input e output
   12. Navigazione a tastiera del software di configurazione
   13. Configurazione e salvataggio file di processori multipli in rete o di unità collegate da una singola sessione del software di configurazione
6. Requisiti input/output Aux
   1. 8 input Aux configurabili come lettori file e collegamenti audio USB
   2. 4 output Aux, assegnabili a collegamenti audio USB
7. Requisiti della porta di espansione
   1. Porta di espansione dell'audio digitale per routing bidirezionale dei segnali fra due processori collegati con latenza inferiore al millisecondo
   2. 16 segnali in entrata e 16 segnali in uscita
   3. Audio digitale senza compressione a 48 kHz/24 bit
8. Requisiti del mixer automatico
   1. Selezione di uno qualsiasi degli otto gruppi del mixer automatico disponibili
   2. Modalità di chiusura dei canali dei microfoni e di condivisione del guadagno per il mixer automatico
   3. Priorità assegnabile ai microfoni tramite opzioni Last Open Mic e Chairman
   4. Possibilità di impostare il numero massimo di microfoni attivi simultaneamente (NOM) da 1 a 12
   5. Livello soglia di chiusura e possibilità di ridurre il livello di disattivazione per i canali con noise gate attivo
   6. Verifica dei livelli in tempo reale nella finestra di setup dei parametri del mixer automatico
   7. Indicazione dello stato di chiusura di tutti canali assegnati a un gruppo del mixer automatico
9. Requisiti dell'elaborazione AEC (cancellazione dell'eco acustico)
   1. 12 canali indipendenti di AEC
   2. Indicazione in tempo reale dei livelli di ERL, ERLE e TER
   3. Indicazione in tempo reale dell'attività dalla sede lontana, dalla sede vicina e della convergenza di AEC
   4. Cancellazione dinamica del rumore fino a 20 dB per ogni canale di AEC
   5. Elaborazione non lineare (NLP), riduzione dell'eco in condizioni di double-talk e compensazione del rumore di fondo tramite Comfort Noise per ogni canale AEC
   6. Coda riverbero AEC: >200 ms
   7. Rate di convergenza AEC: 60 dB/sec
10. Requisiti di controllo
    1. Monitoraggio e controllo Ethernet mediante protocolli TCP/IP standard
    2. RS-232 bidirezionale
    3. Porta di controllo audio per il supporto di pannelli di controllo audio
    4. Una porta USB mini B per controllo tramite software
    5. Controllo con l'utilizzo di comandi SIS (Simple Instruction Set) tramite RS-232, Ethernet o USB
    6. Otto set di tre porte I/O digitali configurabili
11. Requisiti del pannello anteriore
    1. Indicatore LED con luce verde di presenza dell'alimentazione
    2. Porta di configurazione su connettore USB mini B
    3. Indicatori LED con luce verde per la porta di espansione, per la porta LAN e per l'audio USB
    4. Indicatori LED con luce verde di presenza del segnale in ingresso e in uscita
    5. Indicatori LED di avvertimento con luce rossa di saturazione del segnale in ingresso e in uscita
12. Requisiti del pannello posteriore
    1. 12 input su connettori a morsetto da 3,5 mm
    2. Otto output su connettori a morsetto da 3,5 mm
    3. Interfaccia audio digitale 4x4 su porta USB mini B
    4. Otto input digitali e 16 output digitali su connettori a morsetto da 3,5 mm
    5. Porta RS-232 bidirezionale su un connettore a morsetto da 3,5 mm
    6. Porta di espansione su un connettore RJ-45
    7. Porta host Ethernet su un connettore RJ-45
    8. Porta di controllo audio su un connettore a morsetto da 3,5 mm
13. Requisiti generali
    1. Alimentatore interno universale da 100-240 V AC
    2. Contenitore metallico full-rack da 1U montabile a rack
    3. Raffreddamento per convezione
    4. Conformità alle normative applicabili fra cui CE, c-UL, UL, C-tick, FCC Classe A, ICES, VCCI, RoHS e RAEE
    5. Garanzia di tre anni su componenti e manodopera

Il prodotto richiesto è un processore a matrice audio digitale caratterizzato da 12 input analogici mono tipo microfono/linea e 8 output analogici mono di linea per gestione e routing dei segnali.
Il prodotto è un processore a matrice audio digitale che integra 12 input, 8 output, cancellazione dell'eco acustico (AEC), funzionalità audio networking Dante™, una porta di espansione dell'audio digitale, funzionalità mixer automatico con 8 gruppi, processore DSP floating point a 64 bit, interfaccia audio USB con 4 canali in ingresso e 4 canali in uscita, supporto di sequenze macro, 8x4 input e output Aux configurabili, 16 loop virtuali di elaborazione, fino a 8 lettori di file audio, supporto di pannelli di controllo audio e convertitori audio a 24 bit/48 kHz.

1. Requisiti input
   1. 12 input analogici mono microfono/linea
   2. Guadagno in ingresso regolabile per input da -18 dB a +80 dB in incrementi di 0,1 dB
   3. Alimentazione phantom a +48 V sui primi otto input
   4. Conversione analogico/digitale a 48 kHz/24 bit
2. Requisiti output
   1. 8 output mono di linea
   2. Attenuazione in uscita regolabile da 0 dB a -100 dB in incrementi di 0,1 dB
   3. Conversione digitale/analogico a 48 kHz/24 bit
3. Requisiti del processore DSP
   1. Processore DSP floating point a 64 bit
   2. Latenza deterministica input-output massima di 3,2 ms
   3. Latenza deterministica aggiuntiva di 1,3 ms con routing sui percorsi virtuali attivato
   4. Latenza deterministica aggiuntiva di 12 ms con elaborazione AEC attivata
4. Requisiti dispositivo audio — Input/output
   1. Rapporto S/N da input ad output analogico >107 dB, da 20 Hz a 20 kHz con output bilanciato massimo, non ponderato
   2. Valore THD+N < 0,01%, da 20 Hz a 20 kHz, livello massimo
5. Requisiti del software di configurazione
   1. Software di configurazione su computer per il controllo dell'architettura fissa del processore DSP
   2. Modalità Live per controllo in tempo reale senza dover compilare e caricare file di configurazione
   3. Modalità Emulate per configurazioni off-line
   4. Finestra singola con una panoramica di tutti gli input/output, blocchi di elaborazione e routing
   5. Funzioni di modifica tramite comandi taglia, copia e incolla fra i blocchi di elaborazione
   6. Libreria di impostazioni preconfigurate del processore, con parametri definibili dall'utente
   7. Il gruppo principale "Group Master" riunisce i membri dello stesso tipo in un unico punto di controllo
   8. Limiti soft per i limiti di controllo superiori e inferiori dei gruppi principali
   9. Preset disponibili per qualsiasi impostazione dei blocchi di elaborazione, impostazione del livello o routing audio
   10. Preset disponibili per salvare l'intero sistema oppure I/O, punti di mixaggio e blocchi DSP specifici
   11. Finestra di indicazione dei livelli per una verifica in tempo reale di tutti gli input e output
   12. Navigazione a tastiera del software di configurazione
   13. Configurazione e salvataggio file di processori multipli in rete o di unità collegate da una singola sessione del software di configurazione
6. Requisiti input/output Aux
   1. 8 input Aux configurabili come lettori file e collegamenti audio USB
   2. 4 output Aux, assegnabili a collegamenti audio USB
7. Requisiti della porta di espansione
   1. Porta di espansione dell'audio digitale per routing bidirezionale dei segnali fra due processori collegati con latenza inferiore al millisecondo
   2. 16 segnali in entrata e 16 segnali in uscita
   3. Audio digitale senza compressione a 48 kHz/24 bit
8. Requisiti del mixer automatico
   1. Selezione di uno qualsiasi degli otto gruppi del mixer automatico disponibili
   2. Modalità di chiusura dei canali dei microfoni e di condivisione del guadagno per il mixer automatico
   3. Priorità assegnabile ai microfoni tramite opzioni Last Open Mic e Chairman
   4. Possibilità di impostare il numero massimo di microfoni attivi simultaneamente (NOM) da 1 a 12
   5. Livello soglia di chiusura e possibilità di ridurre il livello di disattivazione per i canali con noise gate attivo
   6. Verifica dei livelli in tempo reale nella finestra di setup dei parametri del mixer automatico
   7. Indicazione dello stato di chiusura di tutti canali assegnati a un gruppo del mixer automatico
9. Requisiti dell'elaborazione AEC (cancellazione dell'eco acustico)
   1. 12 canali indipendenti di AEC
   2. Indicazione in tempo reale dei livelli di ERL, ERLE e TER
   3. Indicazione in tempo reale dell'attività dalla sede lontana, dalla sede vicina e della convergenza di AEC
   4. Cancellazione dinamica del rumore fino a 20 dB per ogni canale di AEC
   5. Elaborazione non lineare (NLP), riduzione dell'eco in condizioni di double-talk e compensazione del rumore di fondo tramite Comfort Noise per ogni canale AEC
   6. Coda riverbero AEC: >200 ms
   7. Rate di convergenza AEC: 60 dB/sec
10. Requisiti audio networking Dante
    1. 48 segnali in entrata e 24 segnali in uscita
       1. È possibile inoltrare otto canali in ingresso al posto degli input analogici per elaborazione dei segnali
    2. Reti audio Dante primarie e ridondanti
    3. Switch Gigabit a quattro porte interno
    4. Audio digitale senza compressione a 48 kHz/24 bit
    5. Valori di latenza selezionabili fra 0,25, 0,5, 1, 2 o 5 ms
11. Requisiti di controllo
    1. Monitoraggio e controllo Ethernet mediante protocolli TCP/IP standard
    2. RS-232 bidirezionale
    3. Porta di controllo audio per il supporto di pannelli di controllo audio
    4. Una porta USB mini B per controllo tramite software
    5. Controllo con l'utilizzo di comandi SIS (Simple Instruction Set) tramite RS-232, Ethernet o USB
    6. Otto set di tre porte I/O digitali configurabili
12. Requisiti del pannello anteriore
    1. Indicatore LED con luce verde di presenza dell'alimentazione
    2. Porta di configurazione su connettore USB mini B
    3. Indicatori LED con luce verde per la porta di espansione, per la porta LAN e per l'audio USB
    4. Indicatori LED con luce verde di presenza del segnale in ingresso e in uscita
    5. Indicatori LED di avvertimento con luce rossa di saturazione del segnale in ingresso e in uscita
13. Requisiti del pannello posteriore
    1. 12 input su connettori a morsetto da 3,5 mm
    2. Otto output su connettori a morsetto da 3,5 mm
    3. Interfaccia audio digitale 4x4 su porta USB mini B
    4. Otto input digitali e 16 output digitali su connettori a morsetto da 3,5 mm
    5. Porta RS-232 bidirezionale su un connettore a morsetto da 3,5 mm
    6. Porta di espansione su un connettore RJ-45
    7. Porta host Ethernet su un connettore RJ-45
    8. Porta di controllo audio su un connettore a morsetto da 3,5 mm
14. Requisiti generali​
    1. Alimentatore interno universale da 100-240 V AC
    2. Contenitore metallico full-rack da 1U montabile a rack
    3. Raffreddamento per convezione
    4. Conformità alle normative applicabili fra cui CE, c-UL, UL, C-tick, FCC Classe A, ICES, VCCI, RoHS e RAEE
    5. Garanzia di tre anni su componenti e manodopera
15. Prodotto consigliato: DMP 128 Plus C AT di Extron (codice articolo 60-1512-10); nessun prodotto alternativo o equivalente.

1. 12 input, 8 output audio digital matrix processor with acoustic echo cancellation, digital audio expansion port, automixer function with eight groups, 64-bit floating point DSP engine, four input / four output USB audio interface, macros, 8x4 configurable aux inputs / outputs, 16 virtual processing loops, up to eight audio file players, ACP audio control panel support, and 24-bit/48 kHz audio converters
   1. Input Requirements
      1. Shall support twelve mono analog inputs that accept 3.5 mm captive screw connectors:
         1. Microphone level
         2. Line level, balanced or unbalanced
      2. Shall provide input gain adjustment from -18 dB to +80 dB in 0.1 dB steps, adjustable per input
      3. Shall provide selectable +48 volt phantom power for condenser microphones on first eight inputs
      4. Shall provide analog to digital conversion at 48 kHz sampling rate with 24-bit resolution
   2. Output Requirements
      1. Shall support eight mono line level, balanced or unbalanced outputs that accept 3.5 mm captive screw connectors
      2. Shall provide output attenuation adjustment from 0 dB to -100 dB in 0.1 dB steps, adjustable per output
      3. Shall provide digital to analog conversion at 48 kHz sampling rate with 24-bit resolution
   3. DSP Engine Requirements
      1. Shall provide 64-bit floating point DSP engine
      2. Shall provide a 52x44 mix matrix such that all inputs and returns can be discretely routed to any or all of the outputs or sends
      3. Shall provide a maximum, deterministic latency of 3.2 ms from input to output
      4. Shall provide additional, deterministic latency of 1.3 ms when Virtual Path routing is used
      5. Shall provide additional, deterministic latency of 12 ms when AEC is used
   4. Audio Device Requirements — Input to Output
      1. Shall provide an analog in to analog out signal-to-noise ratio of greater than 107 dB measured from 20 Hz to 20 kHz, at maximum balanced output, unweighted
      2. Shall provide a THD+N measurement of less than 0.01% measured at 20 Hz to 20 kHz, at maximum level
   5. Configuration Software Requirements
      1. Shall provide PC-based DSP Configurator software allowing flexible control of the digital signal processor’s fixed architecture
      2. Shall provide a Live mode for real-time control of parameters without compiling and file uploading to processor
      3. Shall provide an Emulate mode for offline configuration
      4. Shall provide single, scrollable window for viewing of all inputs and outputs, audio processing blocks, routing, mix points, and virtual routing
      5. Shall provide setup and configuration of digital audio processing tools including, but not limited to: Filters (high pass, low pass, bass shelving, treble shelving, parametric, dynamic loudness, and notch EQ); Dynamics processing (AGC, Compressor, Limiter, Noise Gate); Delay processing; Ducking and Adaptive Gain processing; Feedback Suppressor processing, Automixing; and multiple gain stages
      6. Shall provide cut, copy, paste editing between processing blocks
      7. Shall provide matrix routing with integrated mix point gain adjustment between inputs, outputs, aux inputs, aux outputs, virtual sends, virtual returns, expansion inputs, and expansion outputs
      8. Shall provide a library of pre-designed processor settings for inputs and outputs with user-customizable parameters
      9. Shall provide Group Master controls for consolidation of individual gain or mute control members of the same type into one point of control
      10. Shall provide Soft Limits settings to define upper and lower control limits on Group Masters for use with external controls
      11. Shall provide Presets for recall of any processing block setting, level setting or audio routing; presets shall be saved for the entire system, or any selected partial group of inputs, outputs, mix points, and DSP blocks
      12. Shall provide real-time metering of levels within each Input Gain, AGC, Compressor, Limiter, Noise Gate, Automixer, and Output Attenuation processing block in Live mode
      13. Shall provide a Meter Bridge window for real-time metering of all input and output channels with clipping indication in Live mode
      14. Shall provide keyboard-based navigation of configuration software utilizing directional controls, keyboard shortcuts, and spreadsheet software-style commands
      15. Shall provide file saving in both Live and Emulate mode
      16. Shall provide file upload in Live mode
      17. Shall provide configuration and file saving of multiple, linked or networked processors from a single configuration software session
   6. Aux Input/Output Requirements
      1. Shall provide a total of 8 Aux Inputs to be configured with a combination of file players and USB audio connections.
      2. Shall provide a total of 4 Aux Outputs, assignable to USB audio connections.
   7. Expansion Port Requirements
      1. Shall provide digital audio expansion port for bidirectional signal routing between two connected processors at sub-millisecond latency
      2. Shall support 16 incoming signals and 16 outgoing signals
      3. Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
      4. Product shall include as standard, 1 foot (0.3 m) shielded CAT 6 cable for the purposes of interconnecting two units
   8. Automixer Requirements
      1. Shall provide Automixer Group selection for optional channel assignment into any of eight groups
      2. Shall provide gated and gain sharing automixer types
      3. Shall provide Last Open Mic Priority and Chairman Priority modes
      4. Shall provide Max Number of Open Microphone parameter from 1 to 12 microphones
      5. Shall provide Gate Threshold level and adjustable Off Reduction level for gated channels
      6. Shall provide adjustable parameters for Attack, Hold, and Release times
      7. Shall provide real-time metering of Signal Level, Gate Status, and Gate Threshold target from within the Automix parameter setup window
      8. Shall provide global view with Gate Status indication of all channels assigned to an automixer group
   9. AEC – Acoustic Echo Cancellation Processing Requirements
      1. Shall provide twelve independent channels of AEC
      2. Shall provide real-time software-based metering of Echo Return Loss, Echo Return Loss Enhancement, and Total Echo Reduction levels
      3. Shall provide real-time indication of remote site activity, local site activity, and AEC processor reconverging
      4. Shall provide up to 20 dB of selectable noise cancellation for each AEC channel
      5. Shall provide advanced controls and adjustable parameters for Non-Linear Processing, Double Talk Echo Reduction, and Comfort Noise for each AEC channel
      6. Shall provide greater than 200 milliseconds of AEC tail length
      7. Shall provide up to 60 dB per second AEC convergence rate
   10. VoIP Requirements
       1. Shall provide up to eight VoIP lines based on RFC 3261 of the Session Initiation Protocol (SIP 2.0)
       2. Shall allow customizable assignment of auxiliary channels in order to support multiple call appearances for local conferencing applications
       3. Shall provide independent audio processing and control per call appearance
       4. Shall support the following audio codecs, with selectable priority:
          1. G.711u (PCM u)
          2. G.711a (PCM a)
          3. G.722
          4. G.722.1 24/32
          5. G.722.1c 24/32/48
          6. G.7236 16/24/32/40
          7. G.726 AAL-2 16/24/32/40
       5. Shall support VoIP configuration via an onboard webpage that includes SIP transaction logging, packet count, and network jitter
       6. Shall provide selection of LAN 1 or LAN 2 as the VoIP Network Interface
       7. Shall provide the ability to be controlled via LAN 1 or LAN 2
       8. Shall support VLAN tagging on either LAN 1 or LAN 2, using the 802.11Q protocol
       9. Shall support Quality of Service – QoS for Layer 2 and Layer 3
       10. Shall support Transport Layer Security – TLS and Secure Real-Time Transport Protocol – SRTP
       11. Shall support NAT Traversal via STUN, TURN, and ICE
       12. Shall support Link Layer Discovery Protocol – Media Endpoint Discovery – LLDP-MED
   11. Control Requirements
       1. Shall accept an RJ-45 connector to provide Ethernet monitoring and control using standard TCP/IP protocols to support real-time monitoring and system management over a LAN or WAN
       2. Shall accept 3.5 mm captive screw connectors to support bidirectional RS-232
       3. Shall provide an ACP audio control port to support the use of Extron Audio Control Panels.
       4. Shall provide a female USB mini type B port for software control
       5. Shall support remote control operation via external control system using Simple Instruction Set commands sent over RS-232, Ethernet, or USB
       6. Shall provide 8 sets of 3 configurable digital I/O ports that accept 3.5 mm captive screw connectors and can be programmed to sense and then respond to external triggers
   12. Front Panel Requirements
       1. Shall provide a green LED for power indication
       2. Shall provide Configuration port that accepts a USB mini type B connector
       3. Shall provide green LEDs for Expansion port, LAN port, and USB audio interface activity indication
       4. Shall provide green LEDs for input and output signal presence indication
       5. Shall provide red LEDs for input and output clip warning indication
   13. Rear Panel Requirements
       1. Shall provide 12 inputs that accept 3.5 mm captive screw connectors
       2. Shall provide 8 outputs that accept 3.5 mm captive screw connectors
       3. Shall provide a 4x4 digital audio interface on a mini USB B port
       4. Shall provide 8 digital input and 16 digital output ports that accept 3.5 mm captive screw connectors
       5. Shall provide bidirectional RS-232 port that accepts a 3.5 mm captive screw connector
       6. Shall provide Expansion port that accepts an RJ-45 connector
       7. Shall provide Ethernet host port that accepts an RJ-45 connector
       8. Shall provide an ACP audio control port that accepts a 3.5 mm captive screw connector
   14. General Requirements
       1. Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
       2. Shall be enclosed in a rack-mountable 1U, full rack width metal enclosure
       3. Shall meet regulatory compliances
          1. Shall meet safety compliances under CE, c-UL, and UL
          2. Shall meet EMI/EMC compliances under CE, C-tick, FCC Class A, ICES, and VCCI
          3. Shall comply with appropriate requirements of RoHS and WEEE
       4. Shall provide three year parts and labor warranty
2. Approved device shall be the Extron DMP 128 Plus C V, part number 60-1513-01; no alternates or equals.

1. 12 input, 8 output audio digital matrix processor with acoustic echo cancellation, Dante™ audio networking, digital audio expansion port, automixer function with eight groups, 64-bit floating point DSP engine, four input / four output USB audio interface, macros, 8x4 configurable aux inputs / outputs, 16 virtual processing loops, up to eight audio file players, ACP audio control panel support, and 24-bit/48 kHz audio converters
   1. Input Requirements
      1. Shall support twelve mono analog inputs that accept 3.5 mm captive screw connectors:
         1. Microphone level
         2. Line level, balanced or unbalanced
      2. Shall provide input gain adjustment from -18 dB to +80 dB in 0.1 dB steps, adjustable per input
      3. Shall provide selectable +48 volt phantom power for condenser microphones on first eight inputs
      4. Shall provide option to select an alternate digital input from the Dante audio network on first mic/line inputs 1 to 8
      5. Shall provide analog to digital conversion at 48 kHz sampling rate with 24-bit resolution
   2. Output Requirements
      1. Shall support eight mono line level, balanced or unbalanced outputs that accept 3.5 mm captive screw connectors
      2. Shall provide output attenuation adjustment from 0 dB to -100 dB in 0.1 dB steps, adjustable per output
      3. Shall provide digital to analog conversion at 48 kHz sampling rate with 24-bit resolution
   3. DSP Engine Requirements
      1. Shall provide 64-bit floating point DSP engine
      2. Shall provide a 52x44 mix matrix such that all inputs and returns can be discretely routed to any or all of the outputs or sends
      3. Shall provide a maximum, deterministic latency of 3.2 ms from input to output
      4. Shall provide additional, deterministic latency of 1.3 ms when Virtual Path routing is used
      5. Shall provide additional, deterministic latency of 12 ms when AEC is used
   4. Audio Device Requirements — Input to Output
      1. Shall provide an analog in to analog out signal-to-noise ratio of greater than 107 dB measured from 20 Hz to 20 kHz, at maximum balanced output, unweighted
      2. Shall provide a THD+N measurement of less than 0.01% measured at 20 Hz to 20 kHz, at maximum level
   5. Configuration Software Requirements
      1. Shall provide PC-based DSP Configurator software allowing flexible control of the digital signal processor’s fixed architecture
      2. Shall provide a Live mode for real-time control of parameters without compiling and file uploading to processor
      3. Shall provide an Emulate mode for offline configuration
      4. Shall provide single, scrollable window for viewing of all inputs and outputs, audio processing blocks, routing, mix points, and virtual routing
      5. Shall provide setup and configuration of digital audio processing tools including, but not limited to: Filters (high pass, low pass, bass shelving, treble shelving, parametric, dynamic loudness, and notch EQ); Dynamics processing (AGC, Compressor, Limiter, Noise Gate); Delay processing; Ducking and Adaptive Gain processing; Feedback Suppressor processing, Automixing; and multiple gain stages
      6. Shall provide cut, copy, paste editing between processing blocks
      7. Shall provide matrix routing with integrated mix point gain adjustment between inputs, outputs, aux inputs, aux outputs, virtual sends, virtual returns, expansion inputs, and expansion outputs
      8. Shall provide a library of pre-designed processor settings for inputs and outputs with user-customizable parameters
      9. Shall provide Group Master controls for consolidation of individual gain or mute control members of the same type into one point of control
      10. Shall provide Soft Limits settings to define upper and lower control limits on Group Masters for use with external controls
      11. Shall provide Presets for recall of any processing block setting, level setting or audio routing; presets shall be saved for the entire system, or any selected partial group of inputs, outputs, mix points, and DSP blocks
      12. Shall provide real-time metering of levels within each Input Gain, AGC, Compressor, Limiter, Noise Gate, Automixer, and Output Attenuation processing block in Live mode
      13. Shall provide a Meter Bridge window for real-time metering of all input and output channels with clipping indication in Live mode
      14. Shall provide keyboard-based navigation of configuration software utilizing directional controls, keyboard shortcuts, and spreadsheet software-style commands
      15. Shall provide file saving in both Live and Emulate mode
      16. Shall provide file upload in Live mode
      17. Shall provide configuration and file saving of multiple, linked or networked processors from a single configuration software session
   6. Aux Input/Output Requirements
      1. Shall provide a total of 8 Aux Inputs to be configured with a combination of file players and USB audio connections.
      2. Shall provide a total of 4 Aux Outputs, assignable to USB audio connections.
   7. Expansion Port Requirements
      1. Shall provide digital audio expansion port for bidirectional signal routing between two connected processors at sub-millisecond latency
      2. Shall support 16 incoming signals and 16 outgoing signals
      3. Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
      4. Product shall include as standard, 1 foot (0.3 m) shielded CAT 6 cable for the purposes of interconnecting two units
   8. Automixer Requirements
      1. Shall provide Automixer Group selection for optional channel assignment into any of eight groups
      2. Shall provide gated and gain sharing automixer types
      3. Shall provide Last Open Mic Priority and Chairman Priority modes
      4. Shall provide Max Number of Open Microphone parameter from 1 to 12 microphones
      5. Shall provide Gate Threshold level and adjustable Off Reduction level for gated channels
      6. Shall provide adjustable parameters for Attack, Hold, and Release times
      7. Shall provide real-time metering of Signal Level, Gate Status, and Gate Threshold target from within the Automix parameter setup window
      8. Shall provide global view with Gate Status indication of all channels assigned to an automixer group
   9. AEC – Acoustic Echo Cancellation Processing Requirements
      1. Shall provide twelve independent channels of AEC
      2. Shall provide real-time software-based metering of Echo Return Loss, Echo Return Loss Enhancement, and Total Echo Reduction levels
      3. Shall provide real-time indication of remote site activity, local site activity, and AEC processor reconverging
      4. Shall provide up to 20 dB of selectable noise cancellation for each AEC channel
      5. Shall provide advanced controls and adjustable parameters for Non-Linear Processing, Double Talk Echo Reduction, and Comfort Noise for each AEC channel
      6. Shall provide greater than 200 milliseconds of AEC tail length
      7. Shall provide up to 60 dB per second AEC convergence rate
   10. VoIP Requirements
       1. Shall provide up to eight VoIP lines based on RFC 3261 of the Session Initiation Protocol (SIP 2.0)
       2. Shall allow customizable assignment of auxiliary channels in order to support multiple call appearances for local conferencing applications
       3. Shall provide independent audio processing and control per call appearance
       4. Shall support the following audio codecs, with selectable priority:
          1. G.711u (PCM u)
          2. G.711a (PCM a)
          3. G.722
          4. G.722.1 24/32
          5. G.722.1c 24/32/48
          6. G.7236 16/24/32/40
          7. G.726 AAL-2 16/24/32/40
       5. Shall support VoIP configuration via an onboard webpage that includes SIP transaction logging, packet count, and network jitter
       6. Shall provide selection of LAN 1 or LAN 2 as the VoIP Network Interface
       7. Shall provide the ability to be controlled via LAN 1 or LAN 2
       8. Shall support VLAN tagging on either LAN 1 or LAN 2, using the 802.11Q protocol
       9. Shall support Quality of Service – QoS for Layer 2 and Layer 3
       10. Shall support Transport Layer Security – TLS and Secure Real-Time Transport Protocol – SRTP
       11. Shall support NAT Traversal via STUN, TURN, and ICE
       12. Shall support Link Layer Discovery Protocol – Media Endpoint Discovery – LLDP-MED
   11. Dante Audio Networking Requirements
       1. Shall support 48 incoming channels and 24 outgoing channels over a local area network using standard Internet protocols
          1. Eight incoming channels may be rerouted to input channel processing, replacing the analog input
       2. Shall support primary and redundant Dante audio networks
       3. Shall support Dante Controller software for digital audio network configuration
       4. Shall provide an internal four-port Gigabit switch on RJ-45 connectors to support Dante audio network connection and direct interconnection between Dante-enabled products
       5. Shall provide uncompressed digital audio at 48 kHz sampling rate with 24-bit resolution
       6. Shall provide selectable 0.25 ms, 0.50 ms, 1.0 ms (default), 2.0 ms, or 5.0 ms of deterministic latency
   12. Control Requirements
       1. Shall accept an RJ-45 connector to provide Ethernet monitoring and control using standard TCP/IP protocols to support real-time monitoring and system management over a LAN or WAN
       2. Shall accept 3.5 mm captive screw connectors to support bidirectional RS-232
       3. Shall provide an ACP audio control port to support the use of Extron Audio Control Panels.
       4. Shall provide a female USB mini type B port for software control
       5. Shall support remote control operation via external control system using Simple Instruction Set commands sent over RS-232, Ethernet, or USB
       6. Shall provide 8 sets of 3 configurable digital I/O ports that accept 3.5 mm captive screw connectors and can be programmed to sense and then respond to external triggers
   13. Front Panel Requirements
       1. Shall provide a green LED for power indication
       2. Shall provide Configuration port that accepts a USB mini type B connector
       3. Shall provide green LEDs for Expansion port, LAN port, and USB audio interface activity indication
       4. Shall provide green LEDs for input and output signal presence indication
       5. Shall provide red LEDs for input and output clip warning indication
   14. Rear Panel Requirements
       1. Shall provide 12 inputs that accept 3.5 mm captive screw connectors
       2. Shall provide 8 outputs that accept 3.5 mm captive screw connectors
       3. Shall provide a 4x4 digital audio interface on a mini USB B port
       4. Shall provide 8 digital input and 16 digital output ports that accept 3.5 mm captive screw connectors
       5. Shall provide bidirectional RS-232 port that accepts a 3.5 mm captive screw connector
       6. Shall provide Expansion port that accepts an RJ-45 connector
       7. Shall provide Ethernet host port that accepts an RJ-45 connector
       8. Shall provide an ACP audio control port that accepts a 3.5 mm captive screw connector
   15. General Requirements
       1. Shall provide internal universal power supply with IEC power socket and support for international 100-240 VAC, 50/60 Hz standards
       2. Shall be enclosed in a rack-mountable 1U, full rack width metal enclosure
       3. Shall meet regulatory compliances
          1. Shall meet safety compliances under CE, c-UL, and UL
          2. Shall meet EMI/EMC compliances under CE, C-tick, FCC Class A, ICES, and VCCI
          3. Shall comply with appropriate requirements of RoHS and WEEE
       4. Shall provide three year parts and labor warranty
2. Approved device shall be the Extron DMP 128 Plus C V AT, part number 60-1513-10; no alternates or equals.