International Communications Products, Inc.

United States

Four Channel Digital Audio Processor Expansion Card


Four Channel Digital Audio Processor Expansion Card

The DAP-104 is a digital audio processor expansion card for ICP's Models DCR-972 and DCR-974 DigiCeiver® dataaudio receivers. These cards are utilized when expansion with high quality audio capability is required in either data receiver. Both cards utilize ISOMPEG Layer II coding and can provide mono, dual mono, stereo or joint stereo from a single digital stream up to 384 kbps.

The DAP-104 card contains two decoders providing up to four channels of audio. Each decoder provides a single RS-232 async data output at standard rates from 300 baud up to 19.2 kbps and four remotely controlled, opto-isolated, switch closures and an AESEBU output.

The DCR-972974 DigiCeiver® is a multi-function satellite broadcast receiver. To add audio capability, the DCR-972974 chassis has two expansion slots which can accommodate up to two of the DAP-104 four channel cards. All cards are plug compatible with the expansion slots and are field insertable. Once installed, final operating configuration parameters are downloaded either over-the-network or through the receiver remote control port by the Network Control System (NCS). Audio outputs may be authorized or de-authorized at any time via in-band commands from the NCS. In addition to the basic data capability, a fully configured DCR-972974 Chassis can provide a total of eight analog audio outputs, four RS-232 async data outputs, sixteen switch closures and four AESEBU outputs.


  • Channel Data Rates : 64, 128, 192, 256, or 384 kbps
  • Audio Output Connectors : Analog and digital outputs provided by 9 pin "D" type connectors
  • Audio Coding : MPEG 1 & MPEG 2, Layer II
  • Network Control : Provided by the ICP NCS system


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