System and method for adjusting delay of an audio signal

Details System and method for adjusting delay of an audio signal System and method for adjusting delay of an audio signal

2006-03-07

2006-03-07

Chin, Vivian (Department: 2644)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Digital audio data processing system

C708S301000, C381S063000

Reexamination Certificate

active

07010370

ABSTRACT:
A method for adjusting a time delay between a first audio signal and a second audio signal is disclosed. The method includes generating the first audio signal from a buffer as a first data stream and generating the second audio signal from the buffer as a second data stream after an initial time delay. The method further includes receiving the first data stream at a first sample rate converter at a first consumption rate and generating a first output data stream at an output sample rate. The second data stream is received at a second sample rate converter at a second consumption rate and the second sample rate converter generates a second output data stream at the output sample rate. One of the first and second consumption rates are changed so that the time delay between the first and second output data streams is adjusted over time from the initial time delay. A system for adjusting the time delay between a first audio signal and a second audio signal is also disclosed.

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patent: 6477255 (2002-11-01), Yoshida et al.
Doppler Effect Compensation for Loud Speakers; Anonymous; Mar. 1995 (Research Disclosure RD 371051 A).

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