Audio mixer
US10291668B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 8, 2015 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Sep 13, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2201/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An audio mixer for mixing audio signals from a plurality of participants, including audio signals of different sample rates; the audio mixer comprising: a plurality of mixing arrangements, each mixing arrangement for a given one of said sample rates; each mixing arrangement comprising: a pre-mixer configured to mix audio signals having the given sample rate; one or more resamplers, each resampler configured to convert pre-mixed audio signals from other mixing arrangements into a signal of the given sample rate; and a post-mixer configured to mix the output of the pre-mixer with the output of each resampler to produce an output at the given sample rate; the audio mixer further comprising a subtractor configured to subtract the participant's input audio signal from the post-mixed output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.