Speech endpoint detection and its implementation using matlab

特征分析对于声音信号的处理非常有用，希望这个能对大家有用-Feature Analysis for the audio signal processing is very useful, hope this will be useful to everyone

这是一个流行的语音信号处理工具包，在语音识别方面很有帮助-This is a popular voice signal processing toolkit, the helpful voice recognition

功能介绍： 识别开关灯命令，执行开关灯操作，并语音播报当前状态。 识别温湿度读取命令，并语音播报当前温湿度情况。 实时监测危险气体，一旦检测到立即报警并语音播报危险情况。 未有识别时不做操作，识别命令有误时播报“请问您在说什么？”。 你也可以考考小米渣：“需要开灯吗？”，系统就会对环境光线进行检测，光线暗的情况下，小米渣会提醒你：“光线不足，正在开灯”然后开灯，如果光线明亮时，小米渣会说：“光线明亮，不需要开灯”保持灯在关的状态（判断光线强弱的阈值在程序中进行设置，用户可以自行修改）。

计算声音信号的总声压级，1/3/倍频程声压级，总响度，特性响度，尖锐度-Calculation of the total sound pressure level of the voice signal, 1/3/octave sound pressure level, the total loudness, loudness characteristics, acute severe

语音识别技术是2000年至2010年间信息技术领域十大重要的科技发展技术之一 语音识别是一门交叉学科，语音识别正逐步成为信息技术中人机接口的关键技术，语音识别技术与语音合成技术结合使人们能够甩掉键盘，通过语音命令进行操作。语音技术的应用已经成为一个具有竞争性的新兴高技术产业。-voice recognition technology from 2000 to 2010 among the field of information technology in 10 major technologies voice recognition is one of an interdisciplinary, voice recognition is gradually becoming the information technology a key man-machine interface technology, voice recognition technology and voice synthesis technologies enable people to get rid keyboard, through voice commands to operate. The application of voice technology has become a competitive emerging high-tech industries.

G.723语音编码 The source code has been modified by simplifying the ADPCM algorithm to increase running speed. Here, the quantizer scale factor, y(k), is determined by "unlocked" factor yu(k) only. The factor yl(k) and speed-contral factor al(k) are ignored.-G.723 speech coding The source code has been modified by simplifying the ADPCM algorithm to increase running speed. Here, the Quantizer scale factor, y (k), is determined by "unlocked" factor yu (k) only. The factor yl (k) and speed-contral factor al (k) are ignored.

用matlab编写的基于hmm模型的语音识别程序，但是调试好像有些问题，欢迎指正:)-prepared using Matlab model based hmm voice identification procedures, but there seems to be some debugging, and welcomes the correction :)

基于matlab平台，采用DTW模型实现了汉语10数字的语音识别-Matlab-based platform, using DTW model achieved a 10-digit Chinese Speech Recognition

16kb/s Low Delay CELP 算法 -16kb/s Low Delay CELP algorithm