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CCITT_ADPCM.rar
... language reference implementations
of the CCITT (International Telegraph and Telephone Consultative Committee)
G.711, G.721 and G.723 voice compressions. They have been tested on Sun
SPARCstations and passed 82 out of 84 test vectors published by CCITT ...
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119128990673-760.zip
This ETSI TETRA codec.It enable Intercommunication between TETRA and other 3G networks without transcoding, and to provide enhanced voice quality for TETRA by using the latest low bit rate voice codec technology.
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MATLAB.rar
Using the function to sample the voice signal and achieve fast Fourier transform in MATLAB, and then get the signal characteristics of the spectrum.Filtering the signal from the filter,and then playback the signal of voice
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OReilly.Nokia.Smartphone.Hacks.Jul.2005.chm.zip
... 2. Get Connected
Chapter 3. Extend and Enhance Your Phone
Chapter 4. Protect Your Phone
Chapter 5. Make and Receive Voice Calls
Chapter 6. Exchange Data with Computers
Chapter 7. Enhance the PC Experience
Chapter 8. Improve the User Interface
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SpeechProsodyAnalysisTools.rar
用于语音信号分析的matlab源代码,包括谐波分析,声强分析,音源分析等
This software consists of a series of Matlab routines useful for
various aspects of prosodic analysis of speech, in particular F0
and harmonic analysis, loudness analysis, and voice-source analysis.
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zerocros.rar
声音文件的过零检测。是一个非常有用的程序,在所有的声音文件处理中都可能用到。实际上是检测voice signal 的start-point和end-point
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evrcfx_dec.rar
该源码是用于将EVRC的语音数据转换为wav文件,其中语音数据存放在voice.txt中,在代码中可设置数据存放的地方;打开工程点击执行,当帧转换完毕,则点击pcmtowav.exe将output.enc转换为wav文件,里面的Voice.wav就是这样转换的。
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