Method, apparatus, and system for processing audio data
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United States of America Patent
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Aug 2, 2016
Grant Date -
Oct 23, 2014
app pub date -
Jun 30, 2014
filing date -
Dec 30, 2011
priority date (Note) -
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Abstract
A method, an apparatus, and a system for processing audio data are provided that pertain to the field of communications technologies. The method includes: obtaining a noise frame of an audio signal, and decomposing the current noise frame into a noise low-band signal and a noise high-band signal; and encoding and transmitting the noise low-band signal by using a first discontinuous transmission mechanism, and encoding and transmitting the noise high-band signal by using a second discontinuous transmission mechanism. According to the present invention, different processing manners are used for the high-band signal and the low-band signal, calculation loads and encoded bits may be saved under a premise of not lowering subjective quality of a codec, and bits that are saved may help to achieve an objective of reducing a transmission bandwidth or improving overall encoding quality.
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