Echo cancellation
US12301769B2 · kind B2 · utility
0Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2022 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | May 29, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an example, an audio system, which may comprise an integrated circuit, comprises an amplifier and a combiner. The amplifier is configured to output a first amplified audio signal to a speaker. The combiner is configured to: receive the first amplified audio signal from the amplifier, receive a second audio signal, combine the first amplified audio signal and second audio signal into a combined signal, and output the combined signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.