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Audio spectrum using fft in iOS

Swift 100.00%

audio spectrum ios swift fft visualization

audiospectrum's Introduction

AudioSpectrum01项目是第一篇博客的示例代码，包含音频播放和频谱数据计算

AudioSpectrum02项目是第二篇博客的示例代码，基于01项目进行了些许重构外，增加了动画实现的代码

如果你想跟着博客一步一步实现的话，请使用对应的starter项目，如果只想浏览最终的实现代码请查看对应的final项目就好

说明：代码中的音频文件来自NoCopyrightSounds，不涉及版权

hnxyzhw wolfgang89 zhocean123 wuchun4 yuhongyang12315 snowstorm-l colorpenboy cocoasprite rbqren000 hello3ds bestdew sweartogod goodcyg icookinggame niuxinghua ace09 kalpeshjethva18 lvehe flying-flying-fish zhuhao528 hero2000 fisher158163 zhangdongxuan debugspy war3pc loveq369 follyxing xbcs davinvlee leolinoj shenyuanluo jaydaniel xiaobailong940 monkeyring jixuqianxing levinkkk jmovxia xiaolouxinyue darkangel7 olers gitbenxing dream5788 inread dream4java huzhaohao yinlong0918 maskmale janzenchen alrjqow mrxcq agoninemo xxfenxx gemicn wangql0603 lijuncode zerocc2014 hanshantao gunner2014 pjstation forterli liudhzhyym ofanweio qiang512833564 glt3953 rdxer gfgwin fengliushaoye

如题，作者你好，我最近在做实时语音的功能，找了好多天音频频谱都没有发现好的，你的算是找到的里面比较好的了，但是运行demo看都是根据本地音频文件展示频谱的，我要根据录音实时展示请问怎么做呢？

你好，请问录音的时候可以实现类似的效果吗？

我用这个podcast http://screencasts.b0.upaiyun.com/podcasts/teahour_episode_82.m4a 做了个测试，会崩在findMaxAmplitude这个函数。

网络音乐如何获取AVAudioPCMBuffer

你好，我最近看到了你的代码，对我很有帮助，但有个很奇怪的问题，如标题所诉。我试了下直接将你的代码(AudioSpectrum01-final)打包后也是正常的，只有我的项目打包后会卡死或闪退。

在经过不断的注释打包后我发现是这一行代码有问题： let amplitudes = strongSelf.fft(buffer)

但直接将代码编译到手机上功能就一切正常，打包后我看了日志打印也看不出有用的信息，日志如下：

请问对于这种现象有什么建议吗，谢谢

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