Patent ID: 9412378
Filing Date: 2016-08-09
CPC Classification: G10L,H04R

Claim Text:
1. Equipment comprising a first interface intended to be connected to a sound reproduction device and at least one second interface intended to be connected to at least one microphone, said equipment comprising an acoustic processing unit adapted for delivering an audio signal filtered by attenuation or suppression of a reference audio signal from an audio signal received via said second interface, wherein said equipment is configured for implementing an initialisation phase comprising: determining a propagation latency between an instant of transmission of a first audio signal via said interface and an instant of reception of a second audio signal via said second interface; and configuring a buffer with a reading-triggering threshold defined according to said determined propagation latency, wherein said equipment is further configured for implementing a nominal operating phase comprising: transmitting a third audio signal via said first interface, the reference signal used by the acoustic processing unit resulting from a passage of the third audio signal through said buffer.