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FFT of waveIn audio signals
- The Fast Fourier Transform (FFT) allows users to view the spectrum content of an audio signal. The FFT code presented here was written by Don Cross though his homepage appears to have subsequently been taken down. Rather than explain the mathematical
FFT_Example
- labview fft labview8.20 用于音频变换.但8.20 不好下载-fft labview8.20 for PC Audio transform. But not download 8.20
FFT-PCM.rar
- 这是本人做的一个，基于VB的一个音频文件FFT计算与频谱显示的软件。包括源代码，是个不错的源代码。,This is one I do, based on the VB of an audio file FFT calculation and spectrum display software. Including source code, is a good source code.
multichanneltest.zip
- 完成飛行情報區交叉可以高保真的夢想，它的大幅過濾器和線性信號階段。 but current FFT type of FIR crossover on PC loses time information of audio signal.但目前的FFT類型的FIR交叉在PC失去時間信息的音頻信號。 If you use 10ms frame, time information in 10ms are lost.如果您使用10ms幀，在10ms時間信息都將丟失。 Now nVidia CUDA G
waveinFFT_demo
- FFT显示的demo，可以用于研究音频频谱的绘制。-FFT display demo, audio spectrum can be used to study the drawing.
perfect_OFDM
- 还在为“基于MATLAB的OFDM系统仿真”的朋友，可以看看我总结的资料！ 该代码通过综合了本站中的两个源代码，在MATLAB 7.0下完成OFDM系统的完美仿真：音频数据采集->S/P转换->16QAM映射->IFFT处理->添加CP->P/S->理想/多径信道传送->……（FFT等）->传输结果比较（前后频谱图、可以直接通过听前后的音频文件来辨别系统的好坏-理想信道时音质前后相同）。在此还要感谢那两位站员提供相关的代码，也希望能对其他人有帮
avr_fft
- fft graphic lcd Audio Spectrum Monitor
SoundViewer
- 将输入的音频化成波 内涵FFT函数-Input audio into wave
VCWAVEplayer
- 基于研究FFT的音频播放软件设计，对类似的设计有参考作用-FFT-based audio player software, research design, the design of similar reference
FftGuitarTuner_src
- 吉他调弦，相当于ap guitar tuner-This article shows how to use a Fast Fourier Transform (FFT) algorithm to calculate the fundamental frequency of a captured audio sound. Also, we will see how to apply the algorithm to analyze live sound to build a simple guit
6595c71c-86b4-4e89-b58b-ef2c821182e3
- 本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal ana
FFT
- 基于 LabVIEW 和声卡的虚拟音频分析仪的设计方法，该方法实现简单、性价比高。 生成的人 机界面交互性好，操作方便，并且可以根据用户的需求进行功能扩充，为低成本下构建虚拟仪器提供了一种思路。-A design of virtual audio analyzer which is based on LabVIEW and the sound card is presented. The method is simple and has high cost performance.
WaveFFT
- 一个简单的音频分析程序, 以FFT为基础作声谱分析, 供学生以及相关人员参考-A simple audio analysis program, the FFT spectrum analysis as the basis for sound, for the students as well as reference
audio
- 音频采集分析，经过fft分析，非常实用，波形显示效果很好-Audio acquisition and analysis, through FFT analysis, very practical, waveform display effect is very good
FFT
- 傅里叶变换，2007年全国电子竞赛《音频分析仪》，基于STM32，内部有AD转换程序，LED灯，程序.-Fourier transform, 2007 National Electronic competition " Audio Analyzer" , based STM32, internal AD converter, LED lights, procedures
Audio-capture-and-playback
- vc6.0环境下编写的基于快速傅里叶变换(FFT)的音频采集和播放代码，采用mfc设计的采集和播放界面，并能实时的看到声音波形。-vc6.0 environment prepared based on Fast Fourier Transform (FFT) audio capture and playback code, mfc design capture and playback interface, and can see the sound waveforms in real time
Audio-capture-and-playback
- vc6.0编写的基于快速傅里叶变换(FFT)的音频采集和播放代码，应用程序编程源码。-vc6.0 prepared based on the fast Fourier transform (FFT) of audio capture and playback code, application programming source code.
Audio-Spectrum-Analyzer
- 16K sample FFT based spectrum analyzer based on Deeth s original code, with print plot, file saving and loading, multiple sample rates, oscilloscope, average and peak hold, left/right/mono channel selection.
Sound-FFT
- C#实现话音/声音时域频域FFT实时可视化源代码-audio time and frequency transform code in c#
real-FFT
- 实时采集声音,并显示波形图，包括FFT，停止后可以播放录音的文件-Real time acquisition of voice and display waveforms, including FFT, after the stop can play the audio file