Single-chip based multi-channel multi-voice codec scheduling method

A technology of codec and scheduling method, which is applied in the field of multi-channel multi-voice codec scheduling, can solve the problems of setting up tasks without practical significance, increased computing load of DSP chip, bottleneck of computing load, etc., to solve the bottleneck of computing capacity and complexity, the number of channels is reduced, and the effect of achieving channel density
CN1971710AActive Publication Date: 2007-05-30ZTE CORP
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZTE CORP
Publication Date
2007-05-30

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Abstract

The invention relates to a dispatching method of multichannel and multisound codec based on the single chip. Every channel is accessed on every time slice, contains: the time of time slice is determined according to the greatest common divisor of long of processing frames of the sound codec; calculates the synchronized cycle period of the sound codec relative to the cycle count period of said time slice P; the channels of sound codec are distributed equally and called according to the time slot of cycle count period P of every sound codec. The method equally distributes the corresponding channels in the cycle count period P, the corresponding channels are distributed to the time slice equally, and realize the VoIP sound processing system channel density, any sound codec combination can be realized, and it's no need to monitor the operation load of DSP chip timely and solve the operation capability bottleneck brought by the deployment of the traditional sound codec and the complex extent.
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Description

technical field

[0001] The invention relates to voice signal processing, in particular to a single-chip-based scheduling method for multi-channel multi-voice codecs. Background technique

[0002] Voice communication based on Internet Protocol Vocie overIP, referred to as VoIP, is a packetized and digital voice transmission technology based on Internet Protocol IP technology. The digital signal processing chip DSP has the characteristics of high processing capacity, independent storage control and low cost, and is suitable for performing the voice signal processing function in the VOIP voice processing system. Its application has greatly promoted the development and promotion of VoIP technology.

[0003] The voice codec is built into the DSP chip as a core of VoIP technology, and the codec quality, occupied bandwidth, and processing power are directly related to the realization of VoIP performance. A series of voice compression coding and decoding standards for VoIP released...

Claims

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