2014/10/15 下午 10:04:15
iphone Programming Glossary: audiounitCan anybody help me in recording iPhone output sound through Audio Unit http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit inputComponent AudioComponentFindNext NULL desc Get audio units status AudioComponentInstanceNew inputComponent audioUnit Enable IO for recording UInt32 flag 1 status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input.. AudioComponentInstanceNew inputComponent audioUnit Enable IO for recording UInt32 flag 1 status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback status.. kAudioUnitScope_Input kInputBus flag sizeof flag Enable IO for playback status AudioUnitSetProperty audioUnit kAudioOutputUnitProperty_EnableIO kAudioUnitScope_Output kOutputBus flag sizeof flag Describe format AudioStreamBasicDescription..
http://stackoverflow.com/questions/1002838/audio-on-the-iphone I went down this road in 2009 trying Audio Toolkit Audio Queue Services openAL and finally settling on the RemoteIO AudioUnit. Audio Toolbox is fine for basic triggered sound effects but it wasn't able to change frequencies or loop samples. Audio.. blog 2008 11 06 openal sound on the iphone Since looped samples was a requirement for me I finally settled on AudioUnits which on the iPhone is referred to as RemoteIO if you want to do input or output . It was tremendously difficult to implement..
http://stackoverflow.com/questions/1667603/mixing-audio-on-the-iphone
How to make a simple EQ AudioUnit (bass, mid, treble) with iOS? http://stackoverflow.com/questions/4029079/how-to-make-a-simple-eq-audiounit-bass-mid-treble-with-ios to make a simple EQ AudioUnit bass mid treble with iOS does anyone know how to make a simple EQ audio unit 3 bands low mid hi with iOS I know how to.. ios core audio signal processing audiounit share improve this question The iPhone doesn't exactly support custom AudioUnits. Or more precisely it doesn't allow you to register an AudioUnit's identifier so you could load it in an AUGraph. You can.. question The iPhone doesn't exactly support custom AudioUnits. Or more precisely it doesn't allow you to register an AudioUnit's identifier so you could load it in an AUGraph. You can however register a render callback get raw PCM data and process..
How to develop an iphone app with reverb functionality? http://stackoverflow.com/questions/4750032/how-to-develop-an-iphone-app-with-reverb-functionality the app with reverb functionality Is there any documentation for that If it is just share with us. NOTE We can use AudioUnit to develop the app with reverb functionality I am not clear with this. . EDIT I don't like to use any third party library... processing core audio share improve this question if yourre targeting ios5 you can just the audio unit subtype kAudioUnitSubType_Reverb2 of the effect audio unit. reverb unit AudioComponentDescription auEffectUnitDescription auEffectUnitDescription.componentType.. audio unit. reverb unit AudioComponentDescription auEffectUnitDescription auEffectUnitDescription.componentType kAudioUnitType_Effect auEffectUnitDescription.componentSubType kAudioUnitSubType_Reverb2 auEffectUnitDescription.componentManufacturer..
AudioUnits causing universal skipping after returning from Springboard http://stackoverflow.com/questions/6130443/audiounits-causing-universal-skipping-after-returning-from-springboard causing universal skipping after returning from Springboard I have a problem in my applications where I am using AudioUnits... causing universal skipping after returning from Springboard I have a problem in my applications where I am using AudioUnits. All of the applications Audio including audio not played through AudioUnits will start skipping after exiting to Springboard.. in my applications where I am using AudioUnits. All of the applications Audio including audio not played through AudioUnits will start skipping after exiting to Springboard and returning to the applications. I broke out the problem into a new..
Can anybody help me in recording iPhone output sound through Audio Unit http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit void initializaeOutputUnit OSStatus status Describe audio component AudioComponentDescription desc desc.componentType kAudioUnitType_Output desc.componentSubType kAudioUnitSubType_RemoteIO desc.componentFlags 0 desc.componentFlagsMask 0 desc.componentManufacturer.. audio component AudioComponentDescription desc desc.componentType kAudioUnitType_Output desc.componentSubType kAudioUnitSubType_RemoteIO desc.componentFlags 0 desc.componentFlagsMask 0 desc.componentManufacturer kAudioUnitManufacturer_Apple.. kAudioUnitSubType_RemoteIO desc.componentFlags 0 desc.componentFlagsMask 0 desc.componentManufacturer kAudioUnitManufacturer_Apple Get component AudioComponent inputComponent AudioComponentFindNext NULL desc Get audio units status AudioComponentInstanceNew..
iPhone: AudioBufferList init and release http://stackoverflow.com/questions/3767527/iphone-audiobufferlist-init-and-release to read sequential parts of an audio file into them and play them back using Audio Units. iphone ios core audio audiounit share improve this question Here is how I do it AudioBufferList AllocateABL UInt32 channelsPerFrame UInt32 bytesPerFrame..
How to make a simple EQ AudioUnit (bass, mid, treble) with iOS? http://stackoverflow.com/questions/4029079/how-to-make-a-simple-eq-audiounit-bass-mid-treble-with-ios looked around for some tutorials or explanations but no luck. Thanks. Andr矇 iphone ios core audio signal processing audiounit share improve this question The iPhone doesn't exactly support custom AudioUnits. Or more precisely it doesn't allow..
AudioUnits causing universal skipping after returning from Springboard http://stackoverflow.com/questions/6130443/audiounits-causing-universal-skipping-after-returning-from-springboard Press RestartAudioUnit Return to Springboard Re enter TestAudioUnit app Audio will skip iphone objective c ios audiounit share improve this question You are calling AudioUnitInitialize when the app is re initialized which is not good. You..
Write Audio To Disk From IO Unit http://stackoverflow.com/questions/6930609/write-audio-to-disk-from-io-unit it might give somebody a clue as to whats going wrong. Original mp3 Problem recording of mp3 iphone ios core audio audiounit share improve this question After a couple of days of tears hair pulling I have a solution. In my code and in other..
How to record sound produced by mixer unit output (iOS Core Audio & Audio Graph) http://stackoverflow.com/questions/7118429/how-to-record-sound-produced-by-mixer-unit-output-ios-core-audio-audio-graph missing in the output file output.caf . I'm totally lost in formats to apply. iphone ios core audio audio recording audiounit share improve this question I don't think you need to enable input on the I O unit. I would also comment out the format..
Can anybody help me in recording iPhone output sound through Audio Unit http://stackoverflow.com/questions/8615358/can-anybody-help-me-in-recording-iphone-output-sound-through-audio-unit stop Recording void stopRecord AudioOutputUnitStop audioUnit AudioUnitUninitialize audioUnit iphone ios5 core audio audiounit share improve this question In initializaeOutputUnit you only created your audio file OSStatus setupErr ExtAudioFileCreateWithURL..
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