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  "framework" : "CoreAudioTypes",
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  "title" : "Audio Channel Labels"
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# Audio Channel Labels

Channel labels for use in the `mChannelLabel` field of an [`AudioChannelDescription`](/documentation/CoreAudioTypes/AudioChannelDescription) structure.

## Topics

### Labels

[`var kAudioChannelLabel_Ambisonic_W: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Ambisonic_W)

First order Ambisonic channel W.

[`var kAudioChannelLabel_Ambisonic_X: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Ambisonic_X)

First order Ambisonic channel X.

[`var kAudioChannelLabel_Ambisonic_Y: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Ambisonic_Y)

First order Ambisonic channel Y.

[`var kAudioChannelLabel_Ambisonic_Z: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Ambisonic_Z)

First order Ambisonic channel Z.

[`var kAudioChannelLabel_BeginReserved: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_BeginReserved)

[`var kAudioChannelLabel_BinauralLeft: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_BinauralLeft)

[`var kAudioChannelLabel_BinauralRight: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_BinauralRight)

[`var kAudioChannelLabel_Center: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Center)

Center channel.

[`var kAudioChannelLabel_CenterBottom: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_CenterBottom)

[`var kAudioChannelLabel_CenterSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_CenterSurround)

Center surround channel; or for WAVE (.wav) files, back center or rear surround.

[`var kAudioChannelLabel_CenterSurroundDirect: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_CenterSurroundDirect)

Back center, non diffuse channel.

[`var kAudioChannelLabel_CenterTopFront: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_CenterTopFront)

[`var kAudioChannelLabel_CenterTopMiddle: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_CenterTopMiddle)

[`var kAudioChannelLabel_CenterTopRear: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_CenterTopRear)

[`var kAudioChannelLabel_ClickTrack: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_ClickTrack)

Click track channel.

[`var kAudioChannelLabel_DialogCentricMix: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_DialogCentricMix)

[`var kAudioChannelLabel_Discrete: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete)

Generic discrete channel.

[`var kAudioChannelLabel_Discrete_0: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_0)

Discrete channel 0.

[`var kAudioChannelLabel_Discrete_1: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_1)

Discrete channel 1.

[`var kAudioChannelLabel_Discrete_10: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_10)

Discrete channel 10.

[`var kAudioChannelLabel_Discrete_11: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_11)

Discrete channel 11.

[`var kAudioChannelLabel_Discrete_12: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_12)

Discrete channel 12.

[`var kAudioChannelLabel_Discrete_13: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_13)

Discrete channel 13.

[`var kAudioChannelLabel_Discrete_14: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_14)

Discrete channel 14.

[`var kAudioChannelLabel_Discrete_15: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_15)

Discrete channel 15.

[`var kAudioChannelLabel_Discrete_2: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_2)

Discrete channel 2.

[`var kAudioChannelLabel_Discrete_3: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_3)

Discrete channel 3.

[`var kAudioChannelLabel_Discrete_4: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_4)

Discrete channel 4.

[`var kAudioChannelLabel_Discrete_5: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_5)

Discrete channel 5.

[`var kAudioChannelLabel_Discrete_6: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_6)

Discrete channel 6.

[`var kAudioChannelLabel_Discrete_65535: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_65535)

Discrete channel 65536.

[`var kAudioChannelLabel_Discrete_7: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_7)

Discrete channel 7.

[`var kAudioChannelLabel_Discrete_8: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_8)

Discrete channel 8.

[`var kAudioChannelLabel_Discrete_9: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Discrete_9)

Discrete channel 9.

[`var kAudioChannelLabel_EndReserved: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_EndReserved)

[`var kAudioChannelLabel_ForeignLanguage: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_ForeignLanguage)

Foreign language channel.

[`var kAudioChannelLabel_HOA_ACN: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN)

[`var kAudioChannelLabel_HOA_ACN_0: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_0)

[`var kAudioChannelLabel_HOA_ACN_1: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_1)

[`var kAudioChannelLabel_HOA_ACN_10: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_10)

[`var kAudioChannelLabel_HOA_ACN_11: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_11)

[`var kAudioChannelLabel_HOA_ACN_12: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_12)

[`var kAudioChannelLabel_HOA_ACN_13: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_13)

[`var kAudioChannelLabel_HOA_ACN_14: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_14)

[`var kAudioChannelLabel_HOA_ACN_15: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_15)

[`var kAudioChannelLabel_HOA_ACN_2: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_2)

[`var kAudioChannelLabel_HOA_ACN_3: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_3)

[`var kAudioChannelLabel_HOA_ACN_4: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_4)

[`var kAudioChannelLabel_HOA_ACN_5: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_5)

[`var kAudioChannelLabel_HOA_ACN_6: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_6)

[`var kAudioChannelLabel_HOA_ACN_65024: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_65024)

[`var kAudioChannelLabel_HOA_ACN_7: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_7)

[`var kAudioChannelLabel_HOA_ACN_8: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_8)

[`var kAudioChannelLabel_HOA_ACN_9: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_ACN_9)

[`var kAudioChannelLabel_HOA_N3D: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_N3D)

[`var kAudioChannelLabel_HOA_SN3D: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HOA_SN3D)

[`var kAudioChannelLabel_Haptic: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Haptic)

A channel for haptic (touch) data.

[`var kAudioChannelLabel_HeadphonesLeft: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HeadphonesLeft)

Left channel of stereo headphones.

[`var kAudioChannelLabel_HeadphonesRight: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HeadphonesRight)

Right channel of stereo headphones.

[`var kAudioChannelLabel_HearingImpaired: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_HearingImpaired)

Channel carrying audio for people who are deaf or hard of hearing.

[`var kAudioChannelLabel_LFE2: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LFE2)

Low Frequency Effects 2.

[`var kAudioChannelLabel_LFE3: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LFE3)

[`var kAudioChannelLabel_LFEScreen: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LFEScreen)

Low Frequency Effects Screen; a subwoofer located in front of the theater.

[`var kAudioChannelLabel_Left: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Left)

Left channel.

[`var kAudioChannelLabel_LeftBackSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftBackSurround)

[`var kAudioChannelLabel_LeftBottom: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftBottom)

[`var kAudioChannelLabel_LeftCenter: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftCenter)

Left center channel.

[`var kAudioChannelLabel_LeftEdgeOfScreen: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftEdgeOfScreen)

[`var kAudioChannelLabel_LeftSideSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftSideSurround)

[`var kAudioChannelLabel_LeftSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftSurround)

Left surround channel; or for WAVE (.wav) files, back left.

[`var kAudioChannelLabel_LeftSurroundDirect: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftSurroundDirect)

Left surround direct channel; or for WAVE (.wav) files, side left.

[`var kAudioChannelLabel_LeftTopFront: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftTopFront)

[`var kAudioChannelLabel_LeftTopMiddle: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftTopMiddle)

[`var kAudioChannelLabel_LeftTopRear: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftTopRear)

[`var kAudioChannelLabel_LeftTopSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftTopSurround)

[`var kAudioChannelLabel_LeftTotal: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftTotal)

The left channel of matrix encoded 4 channel audio.

[`var kAudioChannelLabel_LeftWide: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_LeftWide)

Left wide channel.

[`var kAudioChannelLabel_MS_Mid: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_MS_Mid)

Mid channel of a Mid/Side recording.

[`var kAudioChannelLabel_MS_Side: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_MS_Side)

Side channel of a Mid/Side recording.

[`var kAudioChannelLabel_Mono: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Mono)

Monaural channel.

[`var kAudioChannelLabel_Narration: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Narration)

Narration channel.

[`var kAudioChannelLabel_Object: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Object)

[`var kAudioChannelLabel_RearSurroundLeft: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RearSurroundLeft)

Rear surround left channel.

[`var kAudioChannelLabel_RearSurroundRight: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RearSurroundRight)

Rear surround right channel.

[`var kAudioChannelLabel_Right: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Right)

Right channel.

[`var kAudioChannelLabel_RightBackSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightBackSurround)

[`var kAudioChannelLabel_RightBottom: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightBottom)

[`var kAudioChannelLabel_RightCenter: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightCenter)

Right center channel.

[`var kAudioChannelLabel_RightEdgeOfScreen: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightEdgeOfScreen)

[`var kAudioChannelLabel_RightSideSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightSideSurround)

[`var kAudioChannelLabel_RightSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightSurround)

Right surround channel; or for WAVE (.wav) files, back right.

[`var kAudioChannelLabel_RightSurroundDirect: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightSurroundDirect)

Right surround direct channel; or for WAVE (.wav) files, side right.

[`var kAudioChannelLabel_RightTopFront: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightTopFront)

[`var kAudioChannelLabel_RightTopMiddle: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightTopMiddle)

[`var kAudioChannelLabel_RightTopRear: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightTopRear)

[`var kAudioChannelLabel_RightTopSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightTopSurround)

[`var kAudioChannelLabel_RightTotal: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightTotal)

The right channel of matrix encoded 4 channel audio.

[`var kAudioChannelLabel_RightWide: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_RightWide)

Right wide channel.

[`var kAudioChannelLabel_TopBackCenter: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_TopBackCenter)

Top back center channel.

[`var kAudioChannelLabel_TopBackLeft: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_TopBackLeft)

Top back left channel.

[`var kAudioChannelLabel_TopBackRight: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_TopBackRight)

Top back right channel.

[`var kAudioChannelLabel_TopCenterSurround: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_TopCenterSurround)

Top center surround-sound channel.

[`var kAudioChannelLabel_Unknown: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Unknown)

Unknown role or unspecified other use for channel.

[`var kAudioChannelLabel_Unused: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_Unused)

The channel is present, but has no intended role or destination.

[`var kAudioChannelLabel_UseCoordinates: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_UseCoordinates)

The channel is described solely by the `mCoordinates` field of the `AudioChannelDescription` structure.

[`var kAudioChannelLabel_VerticalHeightCenter: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_VerticalHeightCenter)

Vertical height center channel; or for WAVE (.wav) files, top front center.

[`var kAudioChannelLabel_VerticalHeightLeft: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_VerticalHeightLeft)

Vertical height left channel; or for WAVE (.wav) files, top front left.

[`var kAudioChannelLabel_VerticalHeightRight: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_VerticalHeightRight)

Vertical height right channel; or for WAVE (.wav) files, top front right.

[`var kAudioChannelLabel_XY_X: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_XY_X)

X channel of an X-Y recording.

[`var kAudioChannelLabel_XY_Y: AudioChannelLabel`](/documentation/CoreAudioTypes/kAudioChannelLabel_XY_Y)

Y channel of an X-Y recording.



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