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DSP Resource Specifications

DSP Resource Specifications shows the number of DSP resources available per DSP chip, channels per stream, and resource points used for each function on the DSP Series 2 cards.

Table 8-2 DSP Resource Specifications

Number | Function | Resources per DSP Chip (assuming sufficient Resource Points) | Maximum Channels per DSP Stream | Resource Points Used per Channel
--- | --- | --- | --- | ---
Tone Reception |  |
0x01 | DTMF (µ-law) | 384 | 192 | 5
0x02 | MFR1 (µ-law) | 512 | 256 | 5
0x03 | DTMF (A-law) | 384 | 192 | 5
0x04 | MFR1 (A-law) | 512 | 256 | 5
0x05 | MFR2 (A-law) | 512 | 256 | 8
0x06 | MFR2 (µ-law) | 512 | 256 | 8
0x07 | CPA (A-law) | 384 | 192 | 10
0x08 | CPA (µ-law) | 384 | 192 | 10
0x09 | Dial Pulse | N/A |  |
0x0A | Energy Detection | 384 | 192 | 10
0x0C | DTMF HPF (µ-law) | N/A |  |
0x0D | DTMF HPF (A-law) | N/A |  |
Tone Generation* |  |
0x30 | Universal µ-law |  | 256 | 0
0x31 | Universal A-law |  | 256 | 0
Conferencing |  |
0x21 | Monitor | 256 Resources (128 + broadcast per conference) | 128 | 8
0x22 | Unified | 256 Resources (128 + broadcast per conference) | 128 | 8
0x23 | DTMF Clamped | 256 Resources (128 + broadcast per conference) | 128 | 8
File Record/Playback (requires 2 streams) |  |
0x1D | File Record/Playback | 128** | 64 | 12
Frequency Shift Keying (FSK) |  |
0x23 | FSK XMT (requires 1 stream) | 64 | 32 | 8
0x24 | FSK XMT/RCV (requires 2 streams) | 64 | 32 | 8
Miscellaneous
0x32 | T.30 FAX | 12 | 6 | 12
0x33 | Echo Cancellation | 64 | 32 | 12
0x34 | Positive Voice Detection/ Answering Machine Detection | 384 | 192 | 5

Digital Signal Processor
Frequency Shift Keying