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  "title" : "Deprecated Audio Codec Properties"
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# Deprecated Audio Codec Properties

## Topics

### Constants

[`var kAudioCodecBitRateFormat: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecBitRateFormat)

[`var kAudioCodecDoesSampleRateConversion: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecDoesSampleRateConversion)

[`var kAudioCodecExtendFrequencies: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecExtendFrequencies)

[`var kAudioCodecInputFormatsForOutputFormat: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecInputFormatsForOutputFormat)

[`var kAudioCodecOutputFormatsForInputFormat: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecOutputFormatsForInputFormat)

[`var kAudioCodecOutputPrecedence: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecOutputPrecedence)

[`var kAudioCodecPropertyAvailableBitRates: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyAvailableBitRates)

[`var kAudioCodecPropertyAvailableInputChannelLayouts: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyAvailableInputChannelLayouts)

[`var kAudioCodecPropertyAvailableOutputChannelLayouts: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyAvailableOutputChannelLayouts)

[`var kAudioCodecPropertyInputChannelLayout: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyInputChannelLayout)

[`var kAudioCodecPropertyOutputChannelLayout: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyOutputChannelLayout)

[`var kAudioCodecPropertyRequiresPacketDescription: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyRequiresPacketDescription)

[`var kAudioCodecPropertyZeroFramesPadded: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecPropertyZeroFramesPadded)

[`var kAudioCodecUseRecommendedSampleRate: AudioCodecPropertyID`](/documentation/AudioToolbox/kAudioCodecUseRecommendedSampleRate)


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