Testing and calibration for audio processing system with noise cancelation based on selected nulls
US8452019B1 · kind B1 · utility
15Cited by
1References
14Claims
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Key dates
| Filing date | Jul 8, 2009 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Dec 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/23
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A test system is configured to perform testing and calibration on a sound processing system by generating a test sound signal and measuring the outputs of the sound processing system in response to the test sound signal. The test system includes precision measurement instrumentation for measuring amplitudes and phases of signals generated by the sound processing system. The test system transmits configuration signals to the sound processing system to programmatically adjust one or more programmable gains and delays of the sound processing system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.