 Digital Signal Processing Solutions Tools: Audio Algorithms | |
| Product Name: | Acoustic Echo Cancellation |
| Company Name: | FRANCE TELECOM - CNET |
| Features & Benefits: |
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| TMS320 Devices Supported: | C5x C54x |
| Sampling Rate (kHz): | |
| Program Memory (k word): | 3.5 for 'C54x, 6 for 'C5x |
| Data Memory (k word): | 1 for 'C54x, 1.5 for C5x |
| Processor Loading (MIPS): | 12 |
| Target Platform: | C54x and C5x |
| Hardware Requirements: | Memory details : Program ROM : 2.9 kwords static RAM : 1.7 kwords Table : 0.1 kwords working RAM : 0.2 kwords |
| Word Size: | |
| Group Delays: | |
| Technical Support/Training Available: | YES |
| Overview: | CNET algorithm of Acoustic Echo Cancellation for hands-free telephone with or without transmission delay. It is adapted for telephony band and wide band applications. The Echo Cancellation is made with an adaptive filtering at 8 kHz and a control and gain variation at 1 kHz. For an optimized solution all the code is written in assembler. |
| Ideal Performance: | 13 MIPS for 'C5x and 19 MIPS for 'C5x with a FIR of 300 coefficients. |
| Algorithm Verification: | C-reference code |
| Availability: | NOW |
| Operating System Used: | |
| Tools Supported By: | |
| Company Information: | FRANCE TELECOM - CNET Technopole Anticipa 2, Avenue Pierre MARZIN |
| CNET is a research laboratory for the French telecommunication operator. | |
Trademarks, Important Notice!