▍Real-time voice communication control
语音通信控件，集成G729A压缩算法，实时传输协议，支持一对一，一对多，多对多的实时通话，话音清晰，流畅！使用简单方便！（1） 利用多线程机制，实现录音、网络传输、放音同时进行。 （2） 网络壅塞处理，保证数据不...
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▍Echo cancellation software
Software eliminates the sound echoes, suitable for voice calls to eliminate the echo. Code echo data obtained through the speakers and MIC voice data through analysis and comparison of the cache, use special algorithms eliminate echoes data, so as to achieve the goal of eliminating echo....
▍Speech signals pitch detection
For pitch detection of speech for Chinese speech, from a transcript from a male and a female, are "everyone is speaking Mandarin." Analog voice with 100~3400 band pass filter to 8kHz digital sampling rate. Take the frame length of 20ms, namely, frames up to 160 samples, fundamental frequen...
▍Speech recognition is a c program (based on the Microsoft Speech SDK)
语音识别C程序（基于微软Speech SDK）可以识别“我是学霸”，“你好你好”，“中国制造”，“欢欢喜喜”四条语句。笔者亲写程序，在VS2010编译运行通过，要求系统为windows及以上，并且系统语言为中文。...
▍PESQ algorithm c language
The user may: 1. Use the PESQ Software to: i) understand the PESQ Algorithm; or ii) evaluate the ability of the PESQ Algorithm to perform its intended function of predicting the speech quality of a system; or iii) evaluate the computational complexity of the PESQ Algorithm, with the limitat...
▍DirectShow audio samples
DirectShow audio samples: using the DirectShow library for audio capture/recording, very good code as a separate module can easily be ported to other projects, Share this with you....
▍Music synthesizer DE2_115_Synthesizer
This design example shows how to use the DE2-115 development board and a PS/2 keyboard and speakers to achieve the multi audio electronicsKeyboard.PS/2 keyboard analog keyboard for the input of key information. FPGA chip used to achieve the music synthesizer DE2-115,Generate audio signals of differe...
▍VC realize WAV file player
VC realize WAV file player, VC ++ 6.0 to prepare, the main function is to play WAV files, DWORD OpenDevice (); DWORD CloseDevice (); DWORD Play (CWnd * pParentWnd, LPCSTR pFileName); DWORD Stop (); is its main function....
▍LPC4350_DemoFW
_WDWORD(0x4008609C, 0x000000F3); /* P1_7: D0 (function 3) */ _WDWORD(0x400860A0, 0x000000F3); /* P1_8: D1 (function 3) */ _WDWORD(0x400860A4, 0x000000F3); /* P1_9: D2 (function 3) */ _WDWORD(0x400860A8, 0x000000F3); /* P1_10: D3 (function 3) */ _WDWORD(0x400860AC, 0x000000F3);...
▍PSEQ Speech quality measurement
This Code will measure speech quality between original sound and synthesized sound. This need is based on developers of sound processing and speech coding and compressing engineers. In the file that has been send, there is two...
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