Kane, Signalogic Extend PC/104 Multi-Processor DSP Boards Offerings

8/25/2003 - Kane Computing in conjunction with Signalogic Inc., are now offering a range of PC/104 DSP boards and associated interface cards for use in a wide range of embedded applications, such as data collection, telephony and audio transmission and processing.

Products include the SigC67xx-PC/104 card, which uses a modular approach to provide up to 5 GFLOPS in a single PC/104 form-factor footprint. The card accepts off-the-shelf processor modules with Texas Instruments C67xx DSPs, 16-bit audio and speech I/O modules, and custom modules, for example H.110 or MVIP subset.

The modular approach used by the SigC67xx-PC/104 card is particularly well suited to providing a scalable solution for defence electronics, telecom and internet equipment applications that require parallel DSP processing, for example, where channel capacity has to be highly configurable.

The SigC67xx-PC/104 includes a Dallas Semiconductor DS2155 device with integrated frame/transceiver that provides a T1/E1 interface available on a 10-pin header at the board edge. Up to 24 data streams and 8 signalling streams can be processed by any combination of DSPs.

Command, control and status information is available to the host interface, and all TDM data is routed to the DSP module sites, via the programmable PLC Switch matrix.

For non-telecom applications the T1/E1 interface does not need to be populated and the board cost is reduced.

The SigC67xx-PC/104 board contains a 10/100 Mbps Ethernet controller with PHY signals available on a header at the board edge. For VoIP applications, Packet data may be output to the network from DSPs after speech codec, RTP, and jitter processing. The Ethernet controller is accessible from both host and DSPs.

Other complementary products include the SigSD8 SODIMM Audio Module, which provides a small form-factor 8-channel 16-bit sigma-delta analogue I/O solution compatible with SigC54xx and SigC67xx DSP processor modules. Analogue I/O data can be routed directly to multiple DSP devices via high-speed TDM serial bit-stream, thus increasing system performance and efficiency. The modular approach also creates flexibility in configuring the number of analogue I/O channels vs. DSP processors, as well as allowing product upgrades and configurations for a variable number of voice or audio channels.

Applications using the SigSD8 module include base-station processing, speech, audio, and acoustic algorithm processing, VoIP (voice over Internet protocol) networking functions, VoDSL (voice over DSL), Internet routing, multiple-channel speech or audio code / decode (e.g. G.711, G.723, G729A or MELP speech compression and MP3 audio compression), modem banks, and speech recognition.

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