我想在iPhone中保存在文档目录中保存的音频文件上应用法兰/echo/Reverb效果。从很长一段时间以来,我就一直在搜索Internet,但没有运气。有人可以向我建议在iPhone中实现这些效果的方法
https://stackoverflow.com/a/94444596/1648976 for Reverb
AudioComponentDescription auEffectUnitDescription;
auEffectUnitDescription.componentType = kAudioUnitType_Effect;
auEffectUnitDescription.componentSubType = kAudioUnitSubType_Reverb2;
auEffectUnitDescription.componentManufacturer = kAudioUnitManufacturer_Apple;
AUGraphAddNode(
processingGraph,
&auEffectUnitDescription,
&auEffectNode),
https://developer.apple.com/library/ios/#documentation/audiounit/reference/aucomponentservicesreference/reference/reference/reference.html
这些是此处的链接中的选项
效果音频单元子类型效果(数字信号处理)Apple提供的音频单元的音频单元。
enum {
kAudioUnitSubType_PeakLimiter = 'lmtr',
kAudioUnitSubType_DynamicsProcessor = 'dcmp',
kAudioUnitSubType_Reverb2 = 'rvb2',
kAudioUnitSubType_LowPassFilter = 'lpas',
kAudioUnitSubType_BandPassFilter = 'bpas',
kAudioUnitSubType_HighShelfFilter = 'hshf',
kAudioUnitSubType_LowShelfFilter = 'lshf',
kAudioUnitSubType_ParametricEQ = 'pmeq',
kAudioUnitSubType_Delay = 'dely',
kAudioUnitSubType_Distortion = 'dist',
kAudioUnitSubType_AUiPodEQ = 'ipeq',
kAudioUnitSubType_NBandEQ = 'nbeq'
};