ADT-4800
Adaptive Digital's proprietary 4800 bps speech compression algorithm
This speech compression software provides good speech quality at a low bit rate.
Features List
- Functions are C-callable.
- Multi -Channel Implementation.
- Capable of in-band synchronization.
- Can be integrated with echo cancellers, and tone detection/regeneration.
Coding Rate: 4.8 kbps
Sampling Rate: 8 kHz
Delay: 37 msec
Availability
Platforms |
Texas Instruments – TI TMS320C5000 C55x / C54x |
ADT-4800 is available on the above Platforms: Other configurations are available upon request.
Specifications
TI Processors
TI Processors
ADT 4800 C55x
CPU UTILIZATION & MEMORY REQUIREMENTSAll memory requirements are in units of byte.
Function | MIPS-Peak Loading | Program Memory | Data Memory | Per-channel Data Memory |
Encode | 11.5 | — | — | — |
Decode | 1.73 | — | — | — |
Encode/Decode | 13.23 | 9994 | 2400 | 736/210 |
ADT 4800 C54x
CPU UTILIZATION & MEMORY REQUIREMENTSAll memory requirements are in units of 16-bit word.
Function | MIPS-Peak Loading | Program Memory | Data Memory | Per-channel Data Memory |
Encode | 12.8 | 6875 | 11854 | 622 |
Decode | 1.5 | 4637 | 11874 | 191 |
Encode/Decode | 14.3 | 9081 | 11874 | 813 |
Description
The Adaptive Digital Technologies ADT4800 voice coder software is a real-time implementation of Adaptive Digital’s proprietary 4800 bps speech compression algorithm. This algorithm provides good speech quality at a low bit rate. This software runs on the Texas Instruments (TI) TMS320C5000 family of Digital Signal Processors (DSPs).
Function API's
API function call summary
ADT4800_ADT_InitializeDecode (. . .) Initializes the ADT4800 decoder software
ADT4800_ADT_InitializeEncode (. . .) Initializes the ADT4800 encoder software
ADT4800_ADT_Encode(. . .) Executes the ADT4800 encoder
ADT4800_ADT_Decode(. . .) Executes the ADT4800 decoder
ADT4800_ADT_InitializeEncode (. . .) Initializes the ADT4800 encoder software
ADT4800_ADT_Encode(. . .) Executes the ADT4800 encoder
ADT4800_ADT_Decode(. . .) Executes the ADT4800 decoder