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ima_adpcm_encoder_latest.tar.gz
... with any sound player with the IMA ADPCM codec (included by default in every Windows). Includes a testbench that takes an uncompressed PCM 16 bits Mono WAV file and outputs an IMA ADPCM compressed WAV file.
Compression ratio is fixed for IMA-ADPCM, ...
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ADPCM.zip
Adaptive Difference PCM code in matlab
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pcm.zip
pulse code modulation code in matlab.
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speex_echo_cancle.rar
... 消息算法中的反溃发散现象.
压缩包中含有测试语音文件：
Input_exsample_stereo.pcm: 8k16bit的线性pcm，含双通道语音。
vleft.pcm: 8k16bit linear pcm, 从Input_exsample_stereo.pcm 中分离出来的左声道音频。
right.pcm: 8k16bit linear pcm, 从Input_exsample_stereo.pcm 中分离出来的右声道音频。
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pcm.rar
语音编码方案的选取对移动通信系统的通话质量、信道容量等有重要影响。本文讨论了TD-SCDMA系统中AMR语音编码的自适应机制，同时分析了AMR中代数码本线性预测(ACELP)算法及实现过程。该方案可以在一块TMS320C5510上实现。
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Shannon-TheoryComm.rar
THE recent development of various methods of modulation such as PCM and PPM which exchange
bandwidth for signal-to-noise ratio has intensified the interest in a general theory of communication. A
basis for such a theory is contained in the important ...
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