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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 |
64 |
32 |
8 |
|
0x24 |
FSK XMT/RCV |
64 |
32 |
8 |
|
Miscellaneous |
||||
|
0x32 |
T.30 FAX |
12 |
6 |
12 |
|
0x33 |
Echo Cancellation |
64 |
32 |
12 |
|
0x34 |
Positive Voice Detection/ |
384 |
192 |
5 |