Non-embedded acoustic echo cancellation
OwnerOfir Mecayteninventor
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Abstract
An acoustic echo cancellation system including a record queue operative to receive at least one audio input unit, a playback queue operative to receive at least one audio output unit, an acoustic echo canceller, and synchronization control apparatus operative to retrieve the audio input unit form the record queue and the audio output unit from the playback queue, and simultaneously provide the retrieved units to the acoustic echo canceller for acoustic echo cancellation thereat.
Claims70
An acoustic echo cancellation system comprising:
- a record queue operative to receive at least one audio input unit;
- a playback queue operative to receive at least one audio output unit;
- an acoustic echo canceller;
- and
- synchronization control apparatus operative to:
- retrieve said audio input unit from said record queue and said audio output unit from said playback queue, and
- simultaneously provide said retrieved units to said acoustic echo canceller for acoustic echo cancellation thereat.
A method of acoustic echo cancellation comprising:
- receiving at least one audio input unit at a record queue;
- receiving at least one audio output unit at a playback queue;
- retrieving said audio input unit from said record queue and said audio output unit from said playback queue, and
- simultaneously providing said retrieved units to an acoustic echo canceller for acoustic echo cancellation thereat.
A method according to clam 17 wherein said simultaneously providing step comprises simultaneously providing in response to said record queue receiving said audio input unit.
Dependencies are inferred from the claim text.