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Apple Developer Documentation

    https://developer.apple.com/documentation/audiotoolbox/1534199-general_audio_unit_properties/kaudiounitproperty_maximumframesperslice
    kAudioUnitProperty_MaximumFramesPerSlice = 14. Discussion. A read/write UInt32 value valid on the audio unit global scope. The default value of this property is 1,024, corresponding to about 23 ms at a 44.1 kHz sample rate. This default value is sufficient when a host app is using the default hardware buffer size and the device screen is not ...

How to handle …

    https://developer.apple.com/library/archive/qa/qa1533/_index.html
    How to handle kAudioUnitProperty_MaximumFramesPerSlice Q: What is the kAudioUnitProperty_MaximumFramesPerSlice and how do I use it appropriately? A: The kAudioUnitProperty_MaximumFramesPerSlice is used by Audio Units to determine what the maximum number of frames the Audio Unit will be asked to render for any given render call. If …

MacOSX-SDKs/AudioUnitProperties.h at master - GitHub

    https://github.com/phracker/MacOSX-SDKs/blob/master/MacOSX10.9.sdk/System/Library/Frameworks/AudioUnit.framework/Versions/A/Headers/AudioUnitProperties.h
    @constant kAudioUnitProperty_MaximumFramesPerSlice: Scope: Global: Value Type: UInt32: Access: Read / Write: This property is used to describe to an audio unit the maximum number of samples it will be asked to produce on any single given call to audio unit render.

Audio Unit: iOS中最底层最强大音频控制API - 简书

    https://www.jianshu.com/p/24dd0b815311
    kAudioUnitProperty_MaximumFramesPerSlice; 为了指定音频数据的最大帧数,audio unit应该准备好响应于回调函数调用而产生。对于大多数音频设备,在大多数情况下,您必须按照参考文档中的说明设置此属性。如果不这样做,屏幕锁定时您的音频将停止。 kAudioUnitProperty ...

ios - core audio offline rendering GenericOutput - Stack ...

    https://stackoverflow.com/questions/15297990/core-audio-offline-rendering-genericoutput
    UInt32 maximumFramesPerSlice = 4096; CheckError(AudioUnitSetProperty ( mMixer, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, &maximumFramesPerSlice, sizeof (maximumFramesPerSlice) ), "Couldn't set mixer units maximum framers per slice"); // set the audio data format of tone Unit …

MixerHostAudio.m · GitHub

    https://gist.github.com/bartolsthoorn/2295463
    NSLog (@" Setting kAudioUnitProperty_MaximumFramesPerSlice for mixer unit global scope "); // Increase the maximum frames per slice allows the mixer unit to accommodate the // larger slice size used when the screen is locked. UInt32 maximumFramesPerSlice = 4096; result = AudioUnitSetProperty (mixerUnit, kAudioUnitProperty_MaximumFramesPerSlice,

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