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SPI read and write SD card program, usable

MCU SPI mode read and write SD card, use serial port to display the Assistant displays, can be created in the SD card and delete file, rename the file...

Practical audio program

Before starting work, must first introduce three very important object DirectSound recording used,IDirectSoundCapture8, the device object, according to your recording equipmentto create a device object, attribute can access the de...

WINDOWS SDK audio processing

-This sample application uses the Core Audio APIs to capture audio data from an input device specified by the user and writes it to a uniquely named .wav file in the current directory. This sample demonstrates event-driven bufferin...

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...

MP3 encoder: lame-3.99.5.tar.gz

Open source MP3 encoder (libmp3lame), WAV encoder to MP3, convert WAV into MP3 format; please download if you need....

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...

LabVIEW sine sweep signal generator

Application backgroundUsed to generate a sine sweep signal, I was used to measure the attenuation of sound in the grain, and the correlation between the frequency of the sweep signal and the noise is relatively small, the received waveform is not easy distortion, so the design of the sound transmitt...

fft, including fix point code

fft implement, easy to use, including fix point code. I also give an example to show you how to use this code wav developed in Linux OS, but it also can be planted on Window (no need change code, just create an dsp in VC)...

mdct, 3 method to choose, including fix point

mdct implement, easy to use, including fix point code. I also give an example to show you how to use this code wav developed in Linux OS, but it also can be planted on Window (no need change code, just create an dsp in VC)...

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