Recomendation ITU-T G.722.1

Wideband speech codec ITU-T G.722.1 is designed for using in teleconference systems. It has wide work frequency band from 50 Hz ³æ - 7 kHz and two rates 24 kbps ØÛØ 32 kbps.

Full description you can find at document (or ITU web site):

• ITU-T Recommendation G.722.1, Coding at 24 kbit/s and 32 kbit/s for hands-free operation in systems with low frame loss.

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DSP implementation for family TMS320C54x

Algorithm is implemented for TI's DSP from family TMS320C54x .

Implementation features:

•  real-time;
•  compartibility within c54xx DSP family ;
•  full comply with standard ITU-T G.722.1 (bit exact for all test vectors);
•  C callable;
•  eXpress DSP comartibility

Performance

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Speech samples

You can download G.722.1 speech samples :

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Documentation

You can get compliant documents and specifications by e-mail.
ITU-T G.722.1 for TMS320C54x (Word)

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