Texas Instruments Corporation

Fabien Ober

Takahiro Unno

Laurent Le Faucheur

Ali Erdem Ertan

Thierry Le Gall

Jesper Gormsen Kragh

Acoustic echo control for hands-free phone has acoustic echo cancellation and echo suppression with a voice activity detection for the echo suppression based on near-end input power together with an estimate for acoustic echo cancellation gain.

Voice activity detector and method

A system comprising audio logic adapted to convert captured sound into an audio signal. The system also comprises transmission logic which causes noise to be added to the audio signal. The system further comprises processing logic adapted to at least partially remove the noise from the audio signal by subtracting a noise waveform from the audio signal to produce a result signal. The processing logic generates the noise waveform using power level information associated with the transmission logic. The transmission logic transmits the result signal to another electronic device.

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Villeneuve-Loubet, France

Fabien Ober