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FrequencyAnalyzer
- 对输入信号进行频谱分析,可以实现声音的即时采集并分析适合从事音频信号处理和分析。-Of the input signal spectral analysis, can achieve real-time voice fit to engage in collection and analysis of audio signal processing and analysis.
soundRecord
- 用VC2005编写的小程序,实现声音信号实时采集-VC sound signals to achieve real-time acquisition
sound_fft
- 采集声卡的信号,并对声音信号进行fft分析,对如何获得声卡信号和简单的信号处理有帮助-it s a very good sample of processing sound card signal
004401
- 1 声音的采集: 将声音信号送入计算机,我们利用了声卡录音的低层操作技术,即对winmm.lib进行API调用。具体编程时这一部分被写在一个类中(Soundin类)。 在构造函数中设定包括最大采样率(11025),数据缓存(作为程序一次性读入的数据,2048),声卡本身所带的一些影响采样数据等的各种参数; 调用API函数waveInGetNumDevs(返回UNIT,参数为空)检察并打开声音输入设备,即声卡;并进而使用waveInGetDevCaps得到声卡的容量(在waveInCa
DAQDLL
- 本程序是使用NI6221板卡采集声音信号,并且打包为DLL文件,可以作为使用采集卡的程序员的学习资料。-This program is using the NI6221 card collecting sound signals, and packaged as a DLL file can be used as a capture card programmer learning materials.
Real-time-
- 声音信号实时采集与播放,能把录音实时播放出去,也能将录音保存到文件后再播放-Real-time acquisition and playback sound signals, can recording real-time play out, also can save the recording to a file and then play
SinSignal
- 一个正弦波的音频信号发生器的代码,使用vc6编程,可以改变频率驱动声卡发出声音-This is a sine audio signal generator code by VC++ , you can change the frequency drive sound card play it