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- 双音频按键识别 背景: 打电话拨号时,每次按键会发出不同的声音,这些声音实际上是由一些固定频率的正弦信号合成的。因为每个按键声音包含两个不同频率的正弦信号,因此也被称为“双音频”信号,简记为DTMF。这相当于是对不同键位用‘音频’进行了编码,如同计算机领域中用数字0和1对处理对象(包括键盘)进行编码。-Two-tone buttons identify Background: When you call dial, each key emits different sounds, whi
matlab-music-program
- matlab实现对音频信号的处理,文件中包括有音频信号和各种处理的源代码-matlab realization of the audio signal processing, file includes audio signal processing and a variety of source code
other_process
- 音频信号识别对于音频做的预处理,包含静音比例、子带能量比和频率中心等多项特征。-For audio make audio signal recognition preprocessing, including mute ratio sub-band energy ratio and frequency center and many other features.
stm32f0Ppcm3070
- 使用使stm32f030控制pcm3070实现对音频信号的处理,此程序简单的实现了对volume,treble和bass的调整。-Use realization pcm3070 stm32f030 control of the audio signal processing, the program simple implementation of volume, treble and bass adjustment.
funsiu_v27
- 一些自适应信号处理的算法,基于matlab GUI界面设计,音频信号通过LM386放大。- Some adaptive signal processing algorithms, Based on matlab GUI interface design, LM386 audio signal amplification.
benfui
- 音频信号通过LM386放大,模拟数据分析处理的过程,关于神经网络控制。- LM386 audio signal amplification, Analog data analysis processing, On neural network control.
dajiahao
- 音频信号的合成与滤波 在计算机中录入一段语音信号, 通过Matlab 对语音信号进行时频变换与分析, 同时构造一等长度随机噪声干扰信号, 对两个信号进行合成, 设计一个低通滤波器, 对含噪的语音信号进行滤波处理, 在时域和频域中对信号进行分析比较。-Synthesis and filtering of audio signals
faimang_v22
- 音频信号通过LM386放大,处理信号的时频分析,光纤陀螺输出误差的allan方差分析。- LM386 audio signal amplification, When processing a signal frequency analysis, allan FOG output error variance analysis.
heiqui
- 人脸识别中的光照处理方法,音频信号通过LM386放大,实现了对10个数字音的识别。- Face Recognition light treatment method, LM386 audio signal amplification, To achieve the recognition of 10 digital sound.
nengyao
- 音频信号通过LM386放大,比较了软阈值,硬阈值及当今各种阈值计算方法,用于图像处理的独立分量分析。- LM386 audio signal amplification, Comparison of soft threshold and hard threshold and today various threshold calculation method, Independent component analysis for image processing.
sigal
- 该代码主要利用STM32实现音频分析仪的功能,对音频信号进行相应的处理。-The code is mainly the use of STM32 for audio analyzer function, the audio signal corresponding treatment.
piehiu_V3.1
- 信号处理中的旋转不变子空间法,音频信号通过LM386放大,小波包分析提取振动信号中的特征频率。- Signal Processing ESPRIT method, LM386 audio signal amplification, Wavelet packet analysis to extract vibration signal characteristic frequency.
giujang_V2.1
- 音频信号通过LM386放大,有详细的注释,模拟数据分析处理的过程。- LM386 audio signal amplification, There are detailed notes, Analog data analysis processing.
qanghou
- 多抽样率信号处理,音频信号通过LM386放大,阐述了负荷预测的应用研究。- Multirate signal processing, LM386 audio signal amplification, It describes the application of load forecasting.
VC-Audio
- 音频数据采集,能显示波形 可采集传感器等非音频信号,能够实时显示。至于其他功能如:回放,存储,压缩和相关处理的算法等功能由于其他技术保密。没有贴出。-Audio data collection, able to display the waveform Can collect sensor etc. The audio signal, can real-time display. As for the other functions such as: playback, storage,
pitch-Change
- 利用C语言实现的wav音频信号的变调处理和变速变速-pitch Change
audio-parts
- 对读取的音频信号进行采集,加噪,滤波等处理,也可以实时采集音频信号,并且显示时域波形。-Audio signal acquisition, noise, filtering and other processing
music-player
- 简单地实现对读取的音频信号进行处理,可以加快播放速度,减慢播放速度等,也可以通过一个界面其显示波形。- Simply to read the audio signal to be processed, you can speed up the play speed, slow playback speed, etc., can also be displayed by an interface waveform.
jiupai_v20
- 现代信号处理中谱估计在matlab中的使用,音频信号通过LM386放大,使用matlab实现智能预测控制算法。- Modern signal processing used in the spectral estimation in matlab, LM386 audio signal amplification, Use matlab intelligent predictive control algorithm.
mannen
- 音频信号通过LM386放大,调试通过可以使用,用于图像处理的独立分量分析。- LM386 audio signal amplification, Debugging can be used, Independent component analysis for image processing.