DetectingAudioFrequency-master
所属分类：单片机开发
开发工具：Objective-C
文件大小：35KB
下载次数：5
上传日期：2014-07-16 08:18:33
上 传 者：
miple
说明： demo 可以量測mic 拾取到的外圍音頻信號頻率，便於學習ios 編程
(demo can read freq which come from mic of around where ，study ios program。)
文件列表:
DetectingSoundFrequency.xcodeproj (0, 2014-04-02)
DetectingSoundFrequency.xcodeproj\project.pbxproj (25058, 2014-04-02)
DetectingSoundFrequency.xcodeproj\xcuserdata (0, 2014-04-02)
DetectingSoundFrequency.xcodeproj\xcuserdata\mac.xcuserdatad (0, 2014-04-02)
DetectingSoundFrequency.xcodeproj\xcuserdata\mac.xcuserdatad\xcschemes (0, 2014-04-02)
DetectingSoundFrequency.xcodeproj\xcuserdata\mac.xcuserdatad\xcschemes\DetectingSoundFrequency.xcscheme (3805, 2014-04-02)
DetectingSoundFrequency.xcodeproj\xcuserdata\mac.xcuserdatad\xcschemes\xcschememanagement.plist (585, 2014-04-02)
DetectingSoundFrequency (0, 2014-04-02)
DetectingSoundFrequency\AppDelegate.h (348, 2014-04-02)
DetectingSoundFrequency\AppDelegate.mm (1873, 2014-04-02)
DetectingSoundFrequency\Base.lproj (0, 2014-04-02)
DetectingSoundFrequency\Base.lproj\Main.storyboard (3714, 2014-04-02)
DetectingSoundFrequency\DetectingSoundFrequency-Info.plist (1219, 2014-04-02)
DetectingSoundFrequency\DetectingSoundFrequency-Prefix.pch (344, 2014-04-02)
DetectingSoundFrequency\FFTHelper.h (484, 2014-04-02)
DetectingSoundFrequency\FFTHelper.mm (2354, 2014-04-02)
DetectingSoundFrequency\Images.xcassets (0, 2014-04-02)
DetectingSoundFrequency\Images.xcassets\AppIcon.appiconset (0, 2014-04-02)
DetectingSoundFrequency\Images.xcassets\AppIcon.appiconset\Contents.json (333, 2014-04-02)
DetectingSoundFrequency\Images.xcassets\LaunchImage.launchimage (0, 2014-04-02)
DetectingSoundFrequency\Images.xcassets\LaunchImage.launchimage\Contents.json (442, 2014-04-02)
DetectingSoundFrequency\ViewController.h (123, 2014-04-02)
DetectingSoundFrequency\ViewController.mm (4892, 2014-04-02)
DetectingSoundFrequency\en.lproj (0, 2014-04-02)
DetectingSoundFrequency\en.lproj\InfoPlist.strings (45, 2014-04-02)
DetectingSoundFrequency\main.mm (210, 2014-04-02)
DetectingSoundFrequency\mo_audio.h (5404, 2014-04-02)
DetectingSoundFrequency\mo_audio.mm (27305, 2014-04-02)
DetectingSoundFrequency\mo_def.h (2707, 2014-04-02)
DetectingSoundFrequency\mo_gfx.h (6642, 2014-04-02)
DetectingSoundFrequency\mo_gfx.mm (11242, 2014-04-02)
DetectingSoundFrequencyTests (0, 2014-04-02)
DetectingSoundFrequencyTests\DetectingSoundFrequencyTests-Info.plist (686, 2014-04-02)
DetectingSoundFrequencyTests\DetectingSoundFrequencyTests.m (528, 2014-04-02)
DetectingSoundFrequencyTests\en.lproj (0, 2014-04-02)
DetectingSoundFrequencyTests\en.lproj\InfoPlist.strings (45, 2014-04-02)
DetectingAudioFrequency
=======================
An example iPhone project to show how to detect frequency of captured microphone audio.
This project illustrates this stackoverflow answer: http://stackoverflow.com/questions/11686625/get-hz-frequency-from-audio-stream-on-iphone/19966776#19966776
This project uses Apple's Accelerate.framework to perform CPU consuming digital signal processing.
1. Generate a specific frequency using Audacity for example.
2. Run the project, play the sound.
The main stuff that does FFT is inside FFTHelper.mm.
近期下载者：
相关文件：
收藏者：