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- ---------- Output of dmesg ----------
- [ 53.138014] usb 2-1.5: new high-speed USB device number 3 using ehci_hcd
- [ 53.224645] usb 2-1.5: New USB device found, idVendor=194f, idProduct=0103
- [ 53.224652] usb 2-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
- [ 53.224656] usb 2-1.5: Product: AudioBox 1818 VSL
- [ 53.224658] usb 2-1.5: Manufacturer: PreSonus
- [ 53.224661] usb 2-1.5: SerialNumber: 2209
- ---------- Output of lsusb -vv -------
- Bus 002 Device 003: ID 194f:0103
- Device Descriptor:
- bLength 18
- bDescriptorType 1
- bcdUSB 2.00
- bDeviceClass 239 Miscellaneous Device
- bDeviceSubClass 2 ?
- bDeviceProtocol 1 Interface Association
- bMaxPacketSize0 64
- idVendor 0x194f
- idProduct 0x0103
- bcdDevice 1.05
- iManufacturer 1 PreSonus
- iProduct 2 AudioBox 1818 VSL
- iSerial 3 2209
- bNumConfigurations 2
- Configuration Descriptor:
- bLength 9
- bDescriptorType 2
- wTotalLength 615
- bNumInterfaces 6
- bConfigurationValue 1
- iConfiguration 0
- bmAttributes 0xc0
- Self Powered
- MaxPower 500mA
- Interface Association:
- bLength 8
- bDescriptorType 11
- bFirstInterface 0
- bInterfaceCount 3
- bFunctionClass 1 Audio
- bFunctionSubClass 0
- bFunctionProtocol 32
- iFunction 0
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 0
- bAlternateSetting 0
- bNumEndpoints 1
- bInterfaceClass 1 Audio
- bInterfaceSubClass 1 Control Device
- bInterfaceProtocol 32
- iInterface 2 AudioBox 1818 VSL
- AudioControl Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 1 (HEADER)
- bcdADC 2.00
- bCategory 8
- wTotalLength 265
- bmControl 0x00
- AudioControl Interface Descriptor:
- bLength 8
- bDescriptorType 36
- bDescriptorSubtype 10 (CLOCK_SOURCE)
- bClockID 41
- bmAttributes 0x03 Internal programmable Clock
- bmControls 0x07
- Clock Frequency Control (read/write)
- Clock Validity Control (read-only)
- bAssocTerminal 0
- iClockSource 9 AudioBox 1818 VSL Internal Clock
- AudioControl Interface Descriptor:
- bLength 8
- bDescriptorType 36
- bDescriptorSubtype 10 (CLOCK_SOURCE)
- bClockID 42
- bmAttributes 0x00 External Clock
- bmControls 0x07
- Clock Frequency Control (read/write)
- Clock Validity Control (read-only)
- bAssocTerminal 0
- iClockSource 10 AudioBox 1818 VSL S/PDIF Clock
- AudioControl Interface Descriptor:
- bLength 8
- bDescriptorType 36
- bDescriptorSubtype 10 (CLOCK_SOURCE)
- bClockID 43
- bmAttributes 0x00 External Clock
- bmControls 0x07
- Clock Frequency Control (read/write)
- Clock Validity Control (read-only)
- bAssocTerminal 0
- iClockSource 11 AudioBox 1818 VSL ADAT Clock
- AudioControl Interface Descriptor:
- bLength 10
- bDescriptorType 36
- bDescriptorSubtype 11 (CLOCK_SELECTOR)
- bUnitID 40
- bNrInPins 3
- baCSourceID( 0) 41
- baCSourceID( 1) 42
- baCSourceID( 2) 43
- bmControls 0x03
- Clock Selector Control (read/write)
- iClockSelector 8 AudioBox 1818 VSL Clock Selector
- AudioControl Interface Descriptor:
- bLength 17
- bDescriptorType 36
- bDescriptorSubtype 2 (INPUT_TERMINAL)
- bTerminalID 2
- wTerminalType 0x0101 USB Streaming
- bAssocTerminal 0
- bCSourceID 40
- bNrChannels 18
- bmChannelConfig 0x00000000
- bmControls 0x0000
- iChannelNames 13 Line Out 1
- iTerminal 6 AudioBox 1818 VSL Audio 2.0 Output
- AudioControl Interface Descriptor:
- bLength 82
- bDescriptorType 36
- bDescriptorSubtype 6 (FEATURE_UNIT)
- bUnitID 10
- bSourceID 2
- bmaControls( 0) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 1) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 2) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 3) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 4) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 5) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 6) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 7) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 8) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 9) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(10) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(11) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(12) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(13) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(14) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(15) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(16) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(17) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(18) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- iFeature 0
- AudioControl Interface Descriptor:
- bLength 12
- bDescriptorType 36
- bDescriptorSubtype 3 (OUTPUT_TERMINAL)
- bTerminalID 20
- wTerminalType 0x0301 Speaker
- bAssocTerminal 0
- bSourceID 10
- bCSourceID 40
- bmControls 0x0000
- iTerminal 0
- AudioControl Interface Descriptor:
- bLength 17
- bDescriptorType 36
- bDescriptorSubtype 2 (INPUT_TERMINAL)
- bTerminalID 1
- wTerminalType 0x0201 Microphone
- bAssocTerminal 0
- bCSourceID 40
- bNrChannels 18
- bmChannelConfig 0x00000000
- bmControls 0x0000
- iChannelNames 31 Mic/Inst 1
- iTerminal 0
- AudioControl Interface Descriptor:
- bLength 82
- bDescriptorType 36
- bDescriptorSubtype 6 (FEATURE_UNIT)
- bUnitID 11
- bSourceID 1
- bmaControls( 0) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 1) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 2) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 3) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 4) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 5) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 6) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 7) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 8) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 9) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(10) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(11) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(12) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(13) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(14) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(15) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(16) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(17) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(18) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- iFeature 0
- AudioControl Interface Descriptor:
- bLength 12
- bDescriptorType 36
- bDescriptorSubtype 3 (OUTPUT_TERMINAL)
- bTerminalID 22
- wTerminalType 0x0101 USB Streaming
- bAssocTerminal 0
- bSourceID 11
- bCSourceID 40
- bmControls 0x0000
- iTerminal 7 AudioBox 1818 VSL Audio 2.0 Input
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x84 EP 4 IN
- bmAttributes 3
- Transfer Type Interrupt
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0006 1x 6 bytes
- bInterval 8
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 4 AudioBox 1818 VSL USB 2.0 Audio Out
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 1
- bNumEndpoints 2
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 4 AudioBox 1818 VSL USB 2.0 Audio Out
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 2
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 18
- bmChannelConfig 0x00000000
- iChannelNames 13 Line Out 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x01 EP 1 OUT
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x81 EP 1 IN
- bmAttributes 17
- Transfer Type Isochronous
- Synch Type None
- Usage Type Feedback
- wMaxPacketSize 0x0004 1x 4 bytes
- bInterval 4
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 2
- bNumEndpoints 2
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 4 AudioBox 1818 VSL USB 2.0 Audio Out
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 2
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 14
- bmChannelConfig 0x00000000
- iChannelNames 13 Line Out 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x01 EP 1 OUT
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x81 EP 1 IN
- bmAttributes 17
- Transfer Type Isochronous
- Synch Type None
- Usage Type Feedback
- wMaxPacketSize 0x0004 1x 4 bytes
- bInterval 4
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 2
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 5 AudioBox 1818 VSL USB 2.0 Audio In
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 2
- bAlternateSetting 1
- bNumEndpoints 1
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 5 AudioBox 1818 VSL USB 2.0 Audio In
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 22
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 18
- bmChannelConfig 0x00000000
- iChannelNames 31 Mic/Inst 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x82 EP 2 IN
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 2
- bAlternateSetting 2
- bNumEndpoints 1
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 5 AudioBox 1818 VSL USB 2.0 Audio In
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 22
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 14
- bmChannelConfig 0x00000000
- iChannelNames 31 Mic/Inst 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x82 EP 2 IN
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 3
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 1 Audio
- bInterfaceSubClass 1 Control Device
- bInterfaceProtocol 0
- iInterface 0
- AudioControl Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 1 (HEADER)
- bcdADC 1.00
- wTotalLength 9
- bInCollection 1
- baInterfaceNr( 0) 1
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 4
- bAlternateSetting 0
- bNumEndpoints 2
- bInterfaceClass 1 Audio
- bInterfaceSubClass 3 MIDI Streaming
- bInterfaceProtocol 0
- iInterface 0
- MIDIStreaming Interface Descriptor:
- bLength 7
- bDescriptorType 36
- bDescriptorSubtype 1 (HEADER)
- bcdADC 1.00
- wTotalLength 65
- MIDIStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (MIDI_IN_JACK)
- bJackType 1 Embedded
- bJackID 1
- iJack 0
- MIDIStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (MIDI_IN_JACK)
- bJackType 2 External
- bJackID 2
- iJack 0
- MIDIStreaming Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 3 (MIDI_OUT_JACK)
- bJackType 1 Embedded
- bJackID 3
- bNrInputPins 1
- baSourceID( 0) 2
- BaSourcePin( 0) 1
- iJack 0
- MIDIStreaming Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 3 (MIDI_OUT_JACK)
- bJackType 2 External
- bJackID 4
- bNrInputPins 1
- baSourceID( 0) 1
- BaSourcePin( 0) 1
- iJack 0
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x02 EP 2 OUT
- bmAttributes 2
- Transfer Type Bulk
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0200 1x 512 bytes
- bInterval 0
- bRefresh 0
- bSynchAddress 0
- MIDIStreaming Endpoint Descriptor:
- bLength 5
- bDescriptorType 37
- bDescriptorSubtype 1 (GENERAL)
- bNumEmbMIDIJack 1
- baAssocJackID( 0) 1
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x83 EP 3 IN
- bmAttributes 2
- Transfer Type Bulk
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0200 1x 512 bytes
- bInterval 0
- bRefresh 0
- bSynchAddress 0
- MIDIStreaming Endpoint Descriptor:
- bLength 5
- bDescriptorType 37
- bDescriptorSubtype 1 (GENERAL)
- bNumEmbMIDIJack 1
- baAssocJackID( 0) 3
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 5
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 254 Application Specific Interface
- bInterfaceSubClass 1 Device Firmware Update
- bInterfaceProtocol 0
- iInterface 12 AudioBox 1818 VSL DFU
- Configuration Descriptor:
- bLength 9
- bDescriptorType 2
- wTotalLength 615
- bNumInterfaces 6
- bConfigurationValue 1
- iConfiguration 0
- bmAttributes 0xc0
- Self Powered
- MaxPower 500mA
- Interface Association:
- bLength 8
- bDescriptorType 11
- bFirstInterface 0
- bInterfaceCount 3
- bFunctionClass 1 Audio
- bFunctionSubClass 0
- bFunctionProtocol 32
- iFunction 0
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 0
- bAlternateSetting 0
- bNumEndpoints 1
- bInterfaceClass 1 Audio
- bInterfaceSubClass 1 Control Device
- bInterfaceProtocol 32
- iInterface 2 AudioBox 1818 VSL
- AudioControl Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 1 (HEADER)
- bcdADC 2.00
- bCategory 8
- wTotalLength 265
- bmControl 0x00
- AudioControl Interface Descriptor:
- bLength 8
- bDescriptorType 36
- bDescriptorSubtype 10 (CLOCK_SOURCE)
- bClockID 41
- bmAttributes 0x03 Internal programmable Clock
- bmControls 0x07
- Clock Frequency Control (read/write)
- Clock Validity Control (read-only)
- bAssocTerminal 0
- iClockSource 9 AudioBox 1818 VSL Internal Clock
- AudioControl Interface Descriptor:
- bLength 8
- bDescriptorType 36
- bDescriptorSubtype 10 (CLOCK_SOURCE)
- bClockID 42
- bmAttributes 0x00 External Clock
- bmControls 0x07
- Clock Frequency Control (read/write)
- Clock Validity Control (read-only)
- bAssocTerminal 0
- iClockSource 10 AudioBox 1818 VSL S/PDIF Clock
- AudioControl Interface Descriptor:
- bLength 8
- bDescriptorType 36
- bDescriptorSubtype 10 (CLOCK_SOURCE)
- bClockID 43
- bmAttributes 0x00 External Clock
- bmControls 0x07
- Clock Frequency Control (read/write)
- Clock Validity Control (read-only)
- bAssocTerminal 0
- iClockSource 11 AudioBox 1818 VSL ADAT Clock
- AudioControl Interface Descriptor:
- bLength 10
- bDescriptorType 36
- bDescriptorSubtype 11 (CLOCK_SELECTOR)
- bUnitID 40
- bNrInPins 3
- baCSourceID( 0) 41
- baCSourceID( 1) 42
- baCSourceID( 2) 43
- bmControls 0x03
- Clock Selector Control (read/write)
- iClockSelector 8 AudioBox 1818 VSL Clock Selector
- AudioControl Interface Descriptor:
- bLength 17
- bDescriptorType 36
- bDescriptorSubtype 2 (INPUT_TERMINAL)
- bTerminalID 2
- wTerminalType 0x0101 USB Streaming
- bAssocTerminal 0
- bCSourceID 40
- bNrChannels 18
- bmChannelConfig 0x00000000
- bmControls 0x0000
- iChannelNames 13 Line Out 1
- iTerminal 6 AudioBox 1818 VSL Audio 2.0 Output
- AudioControl Interface Descriptor:
- bLength 82
- bDescriptorType 36
- bDescriptorSubtype 6 (FEATURE_UNIT)
- bUnitID 10
- bSourceID 2
- bmaControls( 0) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 1) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 2) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 3) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 4) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 5) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 6) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 7) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 8) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 9) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(10) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(11) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(12) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(13) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(14) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(15) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(16) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(17) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(18) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- iFeature 0
- AudioControl Interface Descriptor:
- bLength 12
- bDescriptorType 36
- bDescriptorSubtype 3 (OUTPUT_TERMINAL)
- bTerminalID 20
- wTerminalType 0x0301 Speaker
- bAssocTerminal 0
- bSourceID 10
- bCSourceID 40
- bmControls 0x0000
- iTerminal 0
- AudioControl Interface Descriptor:
- bLength 17
- bDescriptorType 36
- bDescriptorSubtype 2 (INPUT_TERMINAL)
- bTerminalID 1
- wTerminalType 0x0201 Microphone
- bAssocTerminal 0
- bCSourceID 40
- bNrChannels 18
- bmChannelConfig 0x00000000
- bmControls 0x0000
- iChannelNames 31 Mic/Inst 1
- iTerminal 0
- AudioControl Interface Descriptor:
- bLength 82
- bDescriptorType 36
- bDescriptorSubtype 6 (FEATURE_UNIT)
- bUnitID 11
- bSourceID 1
- bmaControls( 0) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 1) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 2) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 3) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 4) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 5) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 6) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 7) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 8) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls( 9) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(10) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(11) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(12) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(13) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(14) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(15) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(16) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(17) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- bmaControls(18) 0x0000000f
- Mute Control (read/write)
- Volume Control (read/write)
- iFeature 0
- AudioControl Interface Descriptor:
- bLength 12
- bDescriptorType 36
- bDescriptorSubtype 3 (OUTPUT_TERMINAL)
- bTerminalID 22
- wTerminalType 0x0101 USB Streaming
- bAssocTerminal 0
- bSourceID 11
- bCSourceID 40
- bmControls 0x0000
- iTerminal 7 AudioBox 1818 VSL Audio 2.0 Input
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x84 EP 4 IN
- bmAttributes 3
- Transfer Type Interrupt
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0006 1x 6 bytes
- bInterval 8
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 4 AudioBox 1818 VSL USB 2.0 Audio Out
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 1
- bNumEndpoints 2
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 4 AudioBox 1818 VSL USB 2.0 Audio Out
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 2
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 18
- bmChannelConfig 0x00000000
- iChannelNames 13 Line Out 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x01 EP 1 OUT
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x81 EP 1 IN
- bmAttributes 17
- Transfer Type Isochronous
- Synch Type None
- Usage Type Feedback
- wMaxPacketSize 0x0004 1x 4 bytes
- bInterval 4
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 2
- bNumEndpoints 2
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 4 AudioBox 1818 VSL USB 2.0 Audio Out
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 2
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 14
- bmChannelConfig 0x00000000
- iChannelNames 13 Line Out 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x01 EP 1 OUT
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x81 EP 1 IN
- bmAttributes 17
- Transfer Type Isochronous
- Synch Type None
- Usage Type Feedback
- wMaxPacketSize 0x0004 1x 4 bytes
- bInterval 4
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 2
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 5 AudioBox 1818 VSL USB 2.0 Audio In
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 2
- bAlternateSetting 1
- bNumEndpoints 1
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 5 AudioBox 1818 VSL USB 2.0 Audio In
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 22
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 18
- bmChannelConfig 0x00000000
- iChannelNames 31 Mic/Inst 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x82 EP 2 IN
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 2
- bAlternateSetting 2
- bNumEndpoints 1
- bInterfaceClass 1 Audio
- bInterfaceSubClass 2 Streaming
- bInterfaceProtocol 32
- iInterface 5 AudioBox 1818 VSL USB 2.0 Audio In
- AudioStreaming Interface Descriptor:
- bLength 16
- bDescriptorType 36
- bDescriptorSubtype 1 (AS_GENERAL)
- bTerminalLink 22
- bmControls 0x00
- bFormatType 1
- bmFormats 1
- PCM
- bNrChannels 14
- bmChannelConfig 0x00000000
- iChannelNames 31 Mic/Inst 1
- AudioStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (FORMAT_TYPE)
- bFormatType 1 (FORMAT_TYPE_I)
- bSubslotSize 4
- bBitResolution 24
- Endpoint Descriptor:
- bLength 7
- bDescriptorType 5
- bEndpointAddress 0x82 EP 2 IN
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x0400 1x 1024 bytes
- bInterval 1
- AudioControl Endpoint Descriptor:
- bLength 8
- bDescriptorType 37
- bDescriptorSubtype 1 (EP_GENERAL)
- bmAttributes 0x00
- bmControls 0x00
- bLockDelayUnits 2 Decoded PCM samples
- wLockDelay 8
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 3
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 1 Audio
- bInterfaceSubClass 1 Control Device
- bInterfaceProtocol 0
- iInterface 0
- AudioControl Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 1 (HEADER)
- bcdADC 1.00
- wTotalLength 9
- bInCollection 1
- baInterfaceNr( 0) 1
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 4
- bAlternateSetting 0
- bNumEndpoints 2
- bInterfaceClass 1 Audio
- bInterfaceSubClass 3 MIDI Streaming
- bInterfaceProtocol 0
- iInterface 0
- MIDIStreaming Interface Descriptor:
- bLength 7
- bDescriptorType 36
- bDescriptorSubtype 1 (HEADER)
- bcdADC 1.00
- wTotalLength 65
- MIDIStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (MIDI_IN_JACK)
- bJackType 1 Embedded
- bJackID 1
- iJack 0
- MIDIStreaming Interface Descriptor:
- bLength 6
- bDescriptorType 36
- bDescriptorSubtype 2 (MIDI_IN_JACK)
- bJackType 2 External
- bJackID 2
- iJack 0
- MIDIStreaming Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 3 (MIDI_OUT_JACK)
- bJackType 1 Embedded
- bJackID 3
- bNrInputPins 1
- baSourceID( 0) 2
- BaSourcePin( 0) 1
- iJack 0
- MIDIStreaming Interface Descriptor:
- bLength 9
- bDescriptorType 36
- bDescriptorSubtype 3 (MIDI_OUT_JACK)
- bJackType 2 External
- bJackID 4
- bNrInputPins 1
- baSourceID( 0) 1
- BaSourcePin( 0) 1
- iJack 0
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x02 EP 2 OUT
- bmAttributes 2
- Transfer Type Bulk
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0200 1x 512 bytes
- bInterval 0
- bRefresh 0
- bSynchAddress 0
- MIDIStreaming Endpoint Descriptor:
- bLength 5
- bDescriptorType 37
- bDescriptorSubtype 1 (GENERAL)
- bNumEmbMIDIJack 1
- baAssocJackID( 0) 1
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x83 EP 3 IN
- bmAttributes 2
- Transfer Type Bulk
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0200 1x 512 bytes
- bInterval 0
- bRefresh 0
- bSynchAddress 0
- MIDIStreaming Endpoint Descriptor:
- bLength 5
- bDescriptorType 37
- bDescriptorSubtype 1 (GENERAL)
- bNumEmbMIDIJack 1
- baAssocJackID( 0) 3
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 5
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 254 Application Specific Interface
- bInterfaceSubClass 1 Device Firmware Update
- bInterfaceProtocol 0
- iInterface 12 AudioBox 1818 VSL DFU
- Device Qualifier (for other device speed):
- bLength 10
- bDescriptorType 6
- bcdUSB 2.00
- bDeviceClass 0 (Defined at Interface level)
- bDeviceSubClass 0
- bDeviceProtocol 0
- bMaxPacketSize0 64
- bNumConfigurations 1
- Device Status: 0x0000
- (Bus Powered)
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