METHOD, APPARATUS AND SYSTEM FOR PROCESSING AUDIO DATA Russian patent published in 2016 - IPC G10L19/00 G10L21/02 

Abstract RU 2579926 C1

FIELD: radio engineering and communications.

SUBSTANCE: invention relates to means for processing of audio data and to communication equipment. Method includes: obtaining noise frame of audio signal and decomposition of current noise frame on noise signal of low frequency band and noise signal of high frequency band; and encoding and transmitting low frequency band noise signal by using first mechanism of discontinuous transmission and encoding and transmitting high frequency band noise signal by using second mechanism of discontinuous transmission. According to this invention different processing methods are used for high frequency band signal and low-frequency band signal, computation load and encoded bits can be saved in allowance of non-lowering subjective quality codec, and bits which is saved, may assist achieve target decreasing the transmission band or increasing total quality of encoding.

EFFECT: technical result consists in improvement of efficiency of coding.

44 cl, 9 dwg

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RU 2 579 926 C1

Authors

Van Chzhe

Dates

2016-04-10Published

2012-12-28Filed