Posted by GAO Research Inc.

Signal Processing Techniques

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The G.711 codec provides a compression /decompression (companding) algorithm to deliver precision transmission of encoded speech signals sampled at the rate of 8 kHz in conformance with the ITU-T G.711 standard.[Continue reading →]

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Signal Processing Applications

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Toronto, Canada - GAO Research Inc. (www.GAOResearch.com) is offering its G.165 line echo cancellation (LEC) software used in long distance voice communication especially in links involving satellite networks and intercontinental long-haul circuits.

This G.165 line echo cancellation software features double-talk detection which avoids divergence during double talk. It cancels electrical line echoes caused by 2-to-4 wire conversion hybrids in telephone lines. The line echo canceller is also designed for integration with other software modules from GAO such as our DTMF Encoder/Decoder to enhance performance.[Continue reading →]

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