Demonstration of a single wave file of the model using DMA. You need a great mem...

MP3 Decoder C Program source code,for test only

读取单通道pcm格式音频文件的程序，稍加修改即可作为读取较大音频文件并作相应处理，实际中笔者将该程序和其它程序结合，完成了许多先读取部分文件，在作后续处理的试验。-read channel PCM audio file format of procedures, little changes can be read as larger audio files and dealt with accordingly, in reality the author this program and other procedures, many completed the first reading some documents, as a follow-up to the test.

大家请放心的下载，安全可靠可以正确的输出这个非常精妙的数组-Please be assured that we download, safe, reliable output can correct this very sophisticated array

这是一个视频会议系统中有关mpeg-4解码技术的一个源代码-This is a video conferencing system on MPEG-4 decoder of a source code

To run this sample you must have a sound card connected to the PC. If you want to see some signal you must plug a Microphone to the mic connector of the sound card. If you don t have a mic you can plug an hearphone to the mic connector and speak closely in it.

从USB端口读取数据，每个通道可以独立工作。-read from the USB port data, each channel can work independently.

这是一款用VC编写的简单实用的mp3播放器。 可以实现打开文件选择mp3格式音乐进行播放。并能够进行播放、暂停等控制。

ＳＤＫ中播放音频３Ｄ效果的代码，非常实用，可以自行修改出各类特效-SDK to play audio 3D effect of the code, very useful, you can modify all types of special effects

本文阐述了研究背景，故障诊断技术的发展及其国内外发展现状。对旋转机械的常见故障及其机理做了介绍，从而明确了旋转机械故障诊断所需要的依据及诊断方法。整个系统进行了总体的设计，并对各个模块做了简要的介绍，比较了传统的故障诊断方法和小波分析方法，分析了在旋转机械故障诊断中引入小波分析的必要性。最后两章分别详细地介绍了系统中的两个核心模块的设计与实现。实践表明，该方法提高了故障诊断的准确性，取得了良好效果。同时，小波分析的结果还可以为以后的专家系统，智能诊断提供数据。-There15agreatdealofnon一stationarysingalsinmachineryoPeration.Buttraditional timedomainanalysisandrfequeneydomainanalysishvaemnaylimitationswith non一stationarysignals.Wavelettransofmrbasesonbaseufnction，leanrsthecharaeteristiesof trianglebaseofFourierTransofmrandwindowufnetionofShort一TimeFourierTransofmr， andofmrsoscillatoryanddamPedbaseufnction.It15Praisedasa“mathematiealmieroseoPe，， beeauseofitsmulti一sealeandtime一rfequeneycharaeteristiesandbeeomesanimPortanttool ofrdealingwithnon一stationarysials.

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