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macos - How to use …
https://stackoverflow.com/questions/10792469/how-to-use-kaudiounitsubtype-voiceprocessingio-subtype-of-core-audio-api-in-ma
I'm finding an example of simple play-thru application using built-in mic/speaker with kAudioUnitSubType_VoiceProcessingIO subtype(not kAudioUnitSubType_HALOutput) in macosx. The comments on the core audio api says that kAudioUnitSubType_VoiceProcessingIO is available on the desktop and with iPhone 3.0 or greater, so I think that there must be an …
Apple Developer Documentation
https://developer.apple.com/documentation/audiotoolbox/kaudiounitsubtype_voiceprocessingio
var kAudioUnitSubType_VoiceProcessingIO: UInt32 { get} Discussion. Bus 0 provides output to hardware and bus 1 accepts input from hardware. See the Voice-Processing I/O Audio Unit Properties for the identifiers for this audio unit’s properties.
Apple's Voice Processing Audio Unit ( …
https://stackoverflow.com/questions/12821404/apples-voice-processing-audio-unit-kaudiounitsubtype-voiceprocessingio-brok
I tried to use the built-in echo-suppression by switching to using a kAudioUnitSubType_VoiceProcessingIO unit. This works really well on iOS 6 (iPad 3), but the same code on iOS 5.1 (iPad 2) produces white noise on the microphone input.
GitHub - pinkydodo/AudioUnitMac: Demo for use …
https://github.com/pinkydodo/AudioUnitMac
Demo for use AudioUnit of type kAudioUnitSubType_VoiceProcessingIO on Mac. kAudioUnitSubType_VoiceProcessingIO is Supported on Mac, but it'is a little different。 kAudioOutputUnitProperty_EnableIO can't be set。 On Mac, input and output is both open，and can't be modified。 The Sample Rate for input and output must be same.
Using Audio - Apple Developer
https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/MultimediaPG/UsingAudio/UsingAudio.html
For demonstrations of how to use this audio unit, see the sample code project aurioTouch. Voice Processing I/O unit. The Voice Processing I/O unit, of type kAudioUnitSubType_VoiceProcessingIO, has the characteristics of the I/O unit and adds echo suppression and other features for two-way communication. Generic Output unit
opentok/CallKit - GitHub
https://github.com/opentok/CallKit/blob/main/CallKitDemo/OTDefaultAudioDevice.m
A sample app to demonstrate how to integrate Apple CallKit into OpenTok iOS SDK - CallKit/OTDefaultAudioDevice.m at main · opentok/CallKit
507 Delivering an Exceptional Audio Experience final
https://devstreaming-cdn.apple.com/videos/wwdc/2016/507n0zrhzxdzmg20zcl/507/507_delivering_an_exceptional_audio_experience.pdf?dl=1
Sample Rate Your App. Interact with other audio apps AVAudioSession AVAudioSession Another App AVAudioSession Some App Inputs Outputs Device Operating System Drivers Activate AVAudioSession Category ... kAudioUnitSubType_VoiceProcessingIO NEW let audioSession = AVAudioSession.sharedInstance()
iOS: How to resample audio(PCM data) using Audio Unit at ...
https://www.py4u.net/discuss/75267
kOutputBus 0 kInputBus 1 AUDIO_SAMPLE_RATE 44100 AUDIO_FRAMES_PER_PACKET 1 AUDIO_CHANNELS_PER_FRAME 1 AUDIO_BITS_PER_CHANNEL 16 AUDIO_BYTES_PER_PACKET 2 AUDIO_BYTES_PER_FRAME 2 I am receiving the PCM data from recording callback as . audioBufferList->mBuffers [0].mData. SO, how can i resample this PCM data from 44.1KHz to …
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