High efficient quantization of the energy parameter in 0.6 kb/s vocoders;
0.6 kb/s声码器能量参数的高效量化
DCT-M model for the excitation parameter in low bit rate vocoders;
低速率声码器激励参数的DCT-M模型
Design of Speech Communication Devices Based on AC4880xC-C Vocoder;
基于AC4880xC-C声码器的话音通信设备的设计
PN sequence has been very popular in the communication.
伪噪声编码通信一直是通信技术的主流 ,但是同时具有良好的自相关性和互相关性的伪噪声码族并不是很多。
Study on AMR vocoder and its multi-channel implementation based on TMS320 C6000;
AMR声码器研究及其基于C6000的多通道实现
This paper begins with an analysis of VAD(Voice Activity Detector) algorithm in AMR Vocoder(speech codec standard in WCDMA), with emphasis on the feature and fundamental principles of it, followed by a revised method that have better performance in simulatio.
本文首先对WCDMA的语音编码标准—AMR声码器中的语音端点检测算法进行了分析,重点探讨了算法的特点及其理论依据,其思想具有普遍意义,可以在信源压缩编码及其它需要高精度语音端点检测的应用场合中采用,具有较大的研究价值。
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