Wireshark · Display Filter Reference: USB Audio

Field name	Description	Type	Versions
usbaudio.ac_if_clksel.baCSourceID	Connected Clock Entity	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksel.bClockID	Clock Selector Entity	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksel.bmControls	Controls	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksel.bmControls.clksel	Clock Selector Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksel.bmControls.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksel.bNrInPins	Number of Input Pins	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksel.iClockSelector	String descriptor index	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bAssocTerminal	Terminal	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bClockID	Clock Source Entity	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmAttributes	Attributes	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmAttributes.d2	Synchronization	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmAttributes.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmAttributes.type	Type	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmControls	Controls	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmControls.freq	Clock Frequency Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmControls.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.bmControls.validity	Clock Validity Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_clksrc.iClockSource	String descriptor index	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_extunit.baSourceID	Unit or Terminal Entity	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bmChannelConfig	Channel Config	Unsigned integer (32 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bmControls	Controls	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bmControls.clusterCtrl	Cluster Control	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bmControls.enableCtrl	Enable Control	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bmControls.overflowCtrl	Overflow Control	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bmControls.underflowCtrl	Underflow Control	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bNrChannels	Number Channels	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bNrInPins	Number of Input Pins	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.bUnitID	Extension Unit	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.iChannelNames	Channel Names	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.iExtension	Extension	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_extunit.wExtensionCode	Extension Code	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.ac_if_fu.bControlSize	Control Size	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControl	Control	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControl_v2	Control	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControl_v2s.d7	Delay	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls	Controls	Byte sequence	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d0	Mute	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d1	Volume	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d2	Bass	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d3	Mid	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d4	Treble	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d5	Graphic Equalizer	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d6	Automatic Gain	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d7	Delay	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d8	Bass Boost	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.d9	Loudness	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls.rsv	Reserved	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2	Controls	Byte sequence	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d0	Mute	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d1	Volume	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d10	Input Gain	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d11	Input Gain Pad	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d12	Phase Inverter	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d13	Underflow	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d14	Overflow	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d2	Bass	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d3	Mid	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d4	Treble	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d5	Graphic Equalizer	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d6	Automatic Gain	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d8	Bass Boost	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.d9	Loudness	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bmaControls_v2.rsv	Reserved	Unsigned integer (32 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_fu.bSourceID	Source ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_fu.bUnitID	Unit ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_fu.iFeature	Feature	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_fu.invalid_length	Descriptor size is not 7+(ch+1)*n where n=bControlSize	Label	3.2.1 to 4.4.2
usbaudio.ac_if_hdr.baInterfaceNr	Interface number	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.ac_if_hdr.bCategory	Category	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_hdr.bcdADC	Version	Floating point (double-precision)	2.0.0 to 4.4.2
usbaudio.ac_if_hdr.bInCollection	Total number of interfaces	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.ac_if_hdr.bmControls	Controls	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_hdr.bmControls.latency	Latency Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_hdr.bmControls.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_hdr.wTotalLength	Total length	Unsigned integer (16 bits)	2.0.0 to 4.4.2
usbaudio.ac_if_input.bAssocTerminal	Assoc Terminal	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.bCSourceID	Connected Clock Entity	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig	Channel Config	Unsigned integer (32 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d0	Front Left	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d1	Front Right	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d10	Side Right	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d11	Top Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d12	Top Front Left	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d13	Top Front Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d14	Top Front Right	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d15	Top Back Left	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d16	Top Back Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d17	Top Back Right	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d18	Top Front Left of Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d19	Top Front Right of Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d2	Front Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d20	Left Low Frequency Effects	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d21	Right Low Frequency Effects	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d22	Top Side Left	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d23	Top Side Right	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d24	Bottom Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d25	Back Left of Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d26	Back Right of Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d3	Low Frequency Effects	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d31	Raw Data	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d4	Back Left	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d5	Back Right	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d6	Front Left of Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d7	Front Right of Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d8	Back Center	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.d9	Side Left	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmChannelConfig.rsv	Reserved	Boolean	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls	Controls	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.cluster	Cluster Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.connector	Connector Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.copy	Copy Protect Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.overflow	Overflow Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.overload	Overload Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.rsv	Reserved	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bmControls.underflow	Underflow Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_input.bNrChannels	Number Channels	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.bTerminalID	Terminal ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.iChannelNames	Channel Names	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.iTerminal	String descriptor index	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig	Channel Config	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d0	Left Front	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d1	Right Front	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d10	Side Right	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d11	Top	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d2	Center Front	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d3	Low Frequency Enhancement	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d4	Left Surround	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d5	Right Surround	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d6	Left of Center	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d7	Right of Center	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d8	Surround	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.d9	Side Left	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_input.wChannelConfig.rsv	Reserved	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_input.wTerminalType	Terminal Type	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.baSourceID	Source ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.bmControls	Controls	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.bNrChannels	Number Channels	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.bNrInPins	Number In Pins	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.bUnitID	Unit ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.iChannelNames	Channel Names	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.iMixer	Mixer	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig	Channel Config	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d0	Left Front	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d1	Right Front	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d10	Side Right	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d11	Top	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d2	Center Front	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d3	Low Frequency Enhancement	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d4	Left Surround	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d5	Right Surround	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d6	Left of Center	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d7	Right of Center	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d8	Surround	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.d9	Side Left	Boolean	2.2.0 to 4.4.2
usbaudio.ac_if_mu.wChannelConfig.rsv	Reserved	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_output.bAssocTerminal	Assoc Terminal	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_output.bCSourceID	Connected Clock Entity	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls	Controls	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls.connector	Connector Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls.copy	Copy Protect Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls.overflow	Overflow Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls.overload	Overload Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls.rsv	Reserved	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bmControls.underflow	Underflow Control	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ac_if_output.bSourceID	Source ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_output.bTerminalID	Terminal ID	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_output.iTerminal	String descriptor index	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_output.wTerminalType	Terminal Type	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.ac_if_su.baSourceID	Source ID	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_su.baSourceIDs	Source IDs	Byte sequence	3.4.0 to 4.4.2
usbaudio.ac_if_su.bmControls	Controls	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_su.bmControls.d0	Selector Control	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_su.bmControls.rsv	Reserved	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_su.bNrInPins	Input Pins	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_su.bUnitID	Unit ID	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_su.iSelector	Selector Index	Unsigned integer (8 bits)	3.4.0 to 4.4.2
usbaudio.ac_if_subtype	Subtype	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.as_ep_gen.bLockDelayUnits	Lock Delay Units	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmAttributes	Attributes	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmAttributes.d0	Sampling Frequency Control	Boolean	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmAttributes.d1	Pitch Control	Boolean	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmAttributes.d7	MaxPacketsOnly	Boolean	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmAttributes.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmControls	Controls	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmControls.bmControls.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmControls.overrun	Data Overrun Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmControls.pitch	Pitch Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.bmControls.underrun	Valid Alternate Settings Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_gen.wLockDelay	Lock Delay	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.as_ep_subtype	Subtype	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.as_if_ft.bBitResolution	Bit Resolution	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.bFormatType	FormatType	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.bNrChannels	Number Channels	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.bNrChannels.invalid_value	bNrChannels must be 2 for Type III Format Type descriptors	Label	3.4.0 to 4.4.2
usbaudio.as_if_ft.bSamFreqType	Samples Frequence Type	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.bSubframeSize	Subframe Size	Unsigned integer (8 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.bSubslotSize	Subslot Size	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_ft.subframesize.invalid_value	bSubFrameSize must be 2 for Type III Format Type descriptors	Label	3.4.0 to 4.4.2
usbaudio.as_if_ft.tLowerSamFreq	Lower Samples Frequence	Unsigned integer (24 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.tSamFreq	Samples Frequence	Unsigned integer (24 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.tUpperSamFreq	Upper Samples Frequence	Unsigned integer (24 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.wMaxBitRate	Max Bit Rate	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.as_if_ft.wSamplesPerFrame	Samples Per Frame	Unsigned integer (16 bits)	2.2.0 to 4.4.2
usbaudio.as_if_gen.bDelay	Interface delay in frames	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.as_if_gen.bFormatType	Format Type	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig	Channel Config	Unsigned integer (32 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d0	Front Left	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d1	Front Right	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d10	Side Right	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d11	Top Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d12	Top Front Left	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d13	Top Front Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d14	Top Front Right	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d15	Top Back Left	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d16	Top Back Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d17	Top Back Right	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d18	Top Front Left of Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d19	Top Front Right of Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d2	Front Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d20	Left Low Frequency Effects	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d21	Right Low Frequency Effects	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d22	Top Side Left	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d23	Top Side Right	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d24	Bottom Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d25	Back Left of Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d26	Back Right of Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d3	Low Frequency Effects	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d31	Raw Data	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d4	Back Left	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d5	Back Right	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d6	Front Left of Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d7	Front Right of Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d8	Back Center	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.d9	Side Left	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmChannelConfig.rsv	Reserved	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmControls	Controls	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmControls.active	Active Alternate Setting Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmControls.rsv	Reserved	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmControls.valid	Valid Alternate Settings Control	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats	Formats	Unsigned integer (32 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d0	PCM	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d1	PCM8	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d10	IEC61937 ATRAC	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d11	IEC61937 ATRAC2/3	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d12	Type III WMA	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d13	IEC61937 MPEG-2 Layer1 LS	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d14	IEC61937 MPEG-2 Layer2/3 LS	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d15	IEC61937 DTS-I	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d16	IEC61937 DTS-II	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d17	IEC61937 DTS-III	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d18	IEC61937 ATRAC	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d19	IEC61937 ATRAC2/3	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d2	IEEE Float	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d20	Type III WMA	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d21	IEC60958 PCM	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d3	ALAW	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d31	Type I Raw Data	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d4	MULAW	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d5	IEC61937 MPEG-2 Layer1 LS	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d6	IEC61937 MPEG-2 Layer2/3 LS	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d7	IEC61937 DTS-I	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d8	IEC61937 DTS-II	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.d9	IEC61937 DTS-III	Boolean	3.2.0 to 4.4.2
usbaudio.as_if_gen.bmFormats.rsv	Reserved	Unsigned integer (32 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bNrChannels	Number of channels	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.bTerminalLink	Connected Terminal ID	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.as_if_gen.iChannelNames	String descriptor index	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.as_if_gen.wFormatTag	Format	Unsigned integer (16 bits)	2.0.0 to 4.4.2
usbaudio.as_if_subtype	Subtype	Unsigned integer (8 bits)	2.0.0 to 4.4.2
usbaudio.bCUR	bCUR	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.bMAX	bMAX	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.bMIN	bMIN	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.bMute	bMute	Boolean	4.4.0 to 4.4.2
usbaudio.bRequest	bRequest	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.bRES	bRES	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.bSelector	bSelector	Unsigned integer (8 bits)	4.4.0 to 4.4.2
usbaudio.dMAX	dMAX	Unsigned integer (32 bits)	4.4.0 to 4.4.2
usbaudio.dMIN	dMIN	Unsigned integer (32 bits)	4.4.0 to 4.4.2
usbaudio.dRES	dRES	Unsigned integer (32 bits)	4.4.0 to 4.4.2
usbaudio.hf_as_if_ft_bitresolution.invalid_value	bBitResolution must be 16 for Type III Format Type descriptors	Label	3.4.0 to 4.4.2
usbaudio.midi.cable_number	Cable Number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
usbaudio.midi.code_index	Code Index	Unsigned integer (8 bits)	1.10.0 to 4.4.2
usbaudio.midi.event	MIDI Event	Byte sequence	1.10.0 to 4.4.2
usbaudio.midi.padding	Padding	Byte sequence	3.2.0 to 4.4.2
usbaudio.ms_ep_gen.baAssocJackID	Associated Embedded Jack ID	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_ep_gen.bNumEmbMIDIJack	Number of Embedded MIDI Jacks	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_ep_subtype	Subtype	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_hdr.bcdADC	Version	Floating point (double-precision)	3.2.0 to 4.4.2
usbaudio.ms_if_hdr.wTotalLength	Total length	Unsigned integer (16 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_in.bJackID	Jack ID	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_in.bJackType	Jack Type	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_in.iJack	String descriptor index	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_out.baSourceID	Connected MIDI Entity	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_out.BaSourcePin	Entity Output Pin	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_out.bJackID	Jack ID	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_out.bJackType	Jack Type	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_out.bNrInputPins	Number of Input Pins	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_midi_out.iJack	String descriptor index	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.ms_if_subtype	Subtype	Unsigned integer (8 bits)	3.2.0 to 4.4.2
usbaudio.sysex.fragment	Message fragment	Frame number	1.10.0 to 4.4.2
usbaudio.sysex.fragment.count	Message fragment count	Unsigned integer (32 bits)	1.10.0 to 4.4.2
usbaudio.sysex.fragment.error	Message defragmentation error	Frame number	1.10.0 to 4.4.2
usbaudio.sysex.fragment.multiple_tails	Message has multiple tail fragments	Boolean	1.10.0 to 4.4.2
usbaudio.sysex.fragment.overlap	Message fragment overlap	Boolean	1.10.0 to 4.4.2
usbaudio.sysex.fragment.overlap.conflicts	Message fragment overlapping with conflicting data	Boolean	1.10.0 to 4.4.2
usbaudio.sysex.fragment.too_long_fragment	Message fragment too long	Boolean	1.10.0 to 4.4.2
usbaudio.sysex.fragments	Message fragments	Label	1.10.0 to 4.4.2
usbaudio.sysex.reassembled.data	Reassembled data	Byte sequence	1.10.0 to 4.4.2
usbaudio.sysex.reassembled.in	Reassembled in	Frame number	1.10.0 to 4.4.2
usbaudio.sysex.reassembled.length	Reassembled length	Unsigned integer (32 bits)	1.10.0 to 4.4.2
usbaudio.undecoded	Not dissected yet (report to wireshark.org)	Label	1.12.0 to 4.4.2
usbaudio.wCUR	wCUR	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wIndex	wIndex	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wIndex.endpoint	Endpoint Number	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wIndex.entity_id	Entity ID	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wIndex.interface	Interface Number	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wLength	wLength	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wMAX	wMAX	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wMIN	wMIN	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wNumSubRanges	wNumSubRanges	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wRES	wRES	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wValue	wValue	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wValue.channel_number	Channel Number	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wValue.clksel_cs	Clock Selector Control Selector	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wValue.clksrc_cs	Clock Source Control Selector	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wValue.fu_cs	Feature Unit Control Selector	Unsigned integer (16 bits)	4.4.0 to 4.4.2
usbaudio.wVolume	wVolume	Unsigned integer (16 bits)	4.4.0 to 4.4.2