Method for switching audio signals and the device of the same
US6934398B1 · kind B1 · utility
1Cited by
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15Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 13, 2004 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Apr 13, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The method and apparatus are provided for several audio signal processing apparatuses to share at least one audio output device. Several audio signals sent from the audio signal processing apparatuses are received. The DC levels of the audio signals are shifted to a predetermined value. One of the adjusted audio signals is then selected for signal-transmitting to the audio output device. Afterwards, the DC level of the selected audio signal is re-adjusted to the predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.