Acoustic echo cancelling apparatus and method
US11245787B2 · kind B2 · utility
0Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2018 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Nov 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/568
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed are an acoustic echo cancelling apparatus and an acoustic echo cancelling method. The acoustic echo cancelling apparatus comprises a first capturer configured to capture a remote audio signal received from a remote machine; a second capturer configured to capture a local audio signal that is input to a local microphone; an acoustic echo canceller (AEC) configured to cancel an acoustic echo of the local audio signal using the remote audio signal and output a local audio signal from which the acoustic echo is cancelled; and a transmitter configured to transmit an output signal of the AEC to the remote machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.