Abstract:Speech signal is the most important part of the GSM mobile communication, thus the speech coding technology and high efficiency digital modulation technology can provide a higher system capacity for digital mobile networks than analog mobile network.Most of the implementation of speech code-decode is mainly in DSP platform, but this paper presents three low rate speech coding schemes provided in the 3GPP protocol and the way to implement them in VC platform. We describe a compressed method to greatly reduce th… Show more
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