USB MIDI devices not detected under OS 10.5.2

Leopard's Audio Midi Configuration doesn't detect my Korg microKontrol, Novation Remote Zero SL and my Evolution MK-249C2 MIDI keyboard. Firewire MIDI device is detected (RME fireface 800).
Using the "latest" drivers - Novation Automap Universal 2.0.1178 driver, microKontrol 1.0.7 driver, Evolution keyboard doesn't need a driver.
installed Leopard yesterday, but I think I'll switch back to Tiger...

USB Hub was faulty!

Similar Messages

  • USB MIDI devices not detected (3 out of 4)

    Leopard's Audio Midi Configuration doesn't detect the Korg microKontrol, Novation Remote Zero SL and Evolution MK-249C2 MIDI keyboard. Firewire MIDI device is detected (RME fireface 800).
    Using the "latest" drivers - Novation Automap Universal 2.0.1178 driver, microKontrol driver is pre-Leopard, Evolution keyboard doesn't need a driver.

    USB Hub was faulty!

  • USB midi device not showin up/installing

    hello.
    thanks in advance for anyone that can help me out here.
    after many late nights trying to install the nana pad2 on my imac and failing...i've run out of ideas.
    imac 27" OSX 10.7.5
    2.8 core i5
    12G ram.
    i have the latest drivers (got them last night...again)
    installed and re installed and manually deleted them and tried reinstalling several times.
    no matter what i do the korg will not show up in
    'UTILITIES' > Audio MIDI setup. nothing shows up in there other then my presonus audio interface.
    i go into studio one and with the nano plugged in (via new usb cable) i can get midi "info" data to show up in the
    'MIDI monitor' when hitting the pads...but no instruments are able to be triggered by the pad.
    i've followed the install instruction for adding devices in studio one. but the main issue here is its not showing up at all in my imac "utilities".
    i see some on the forums have got it working...but dont actually show or say how.
    anyone out there conquered this??
    thanks.
    http://i1351.photobucket.com/albums/p797/sikapple/imac_nano2014-02-15at42643PM_z ps7cb1755d.png

    this is what i was looking for.
    if anyone else has this issue:
    audio midi setup > preferences > open specific winows.
    (korg midi device is still not working in daw though.  )

  • Why is my USB DAQ device not detected by Windows?

    Hello,
    I had my USB-6229 connected to my PC (Windows 7 64bit) this morning and everything was fine: Windows detected the device, the device showed up on on NI MAX, and testing through NI MAX was successful. I then installed the NI DAQmx 9.8 driver to replace the NI DAQmx 9.6 driver that I was using (the DAQ Assistant icon in my functions menu in LabVIEW 2013 was not present, and this upgrade fixed that issue). Unfortunately, Windows now no longer recognizes the same DAQ device that worked earlier this morning.
    Here's what I've tried so far:
    Uninstalling the 9.8 driver and re-installing the 9.6
    Tested another USB DAQ device; Windows could not detect it either
    None of the DAQ devices register on WIndows's device manager (usb ports not broken, as the flash drives I inserted showed up on device manager)
    As expected, none of the devices show up on NI MAX
    Does anyone have any suggestions on what may have happened when I upgraded from the 9.6 driver to the 9.8?

    Thanks for your reply, Philip. Yes, I did reboot my computer after installing the driver.
    I contacted NI support, and we were unable to reach a solution, so, as a last effort, re-installed the driver for the third time, which finally worked. I'm not sure what the problem was, but here are some extra steps I took before re-installing the driver that may benefit those who encounter a similar problem:
    1. As Philip mentioned, start the NI Device Loader if it has not been started or stop/start it if it has. The startup status ought to be set to "automatic." You can find the NI Device Loader by starting Task Manager, selecting the "Services" tab, then selecting the "Services" button. Scroll down the list until you find it.
    2. Open up Device Manager and search for your device (mine was labeled as "unidentifiable"). Right click and select "Properties." Select the "Driver" tab. You may need to manually select the driver folder, which should be located in C:\Windows\system32\DRIVERS.
    Hope that helps.

  • Usb midi devices do not appear on os10.4.10

    i've seen some similar complaints about firewire audio devices, and usb harddrive on this forum;
    i've got a a few usb midi devices (m-audio oxygen8 and edirol ua-25) that do not show up anywhere on my computer (black macbook, os 10.4.10); i've checked the audio midi setup area, and all of the various software preference areas (garageband, absynth, reaktor, etc).
    the workarounds for the firewire audio don't look like the right thing to do. i've installed the v1.1 audio update. with no change in problem.
    the edirol usb device is an audio and midi device; the audio works fine (before i did the 1.1 update, crossing fingers that it still works) but the midi does not appear to exist on my system.
    i've updated the drivers from the respective hardware vendors, no luck. looked for similar issues in all the knowledgebases i could find. every answer tells me to do what i did the first time. so i do it again and it still doesn;t work.
    has anyone else had this issue? or has anyone else had a positive experience with usb midi devices?
    i've recently switched from pc to mac,
    so i've some out of depth feeling on the details of mac fer sure.
    thanks,
    dylan

    Oh my god. All I had to do was reboot. Marking as closed.

  • Generic "usb midi device" in 10.9 / Mavericks

    What does Mavericks need to use the product string from the USB descriptor as the name of the MIDI port?  I have an assortment of USB Audio Class 2.0 compliant audio + MIDI interfaces.  Some behave as they do in Mountain Lion and earlier:  If manufacturer Foo makes a product Bar with audio and MIDI interfaces, then the Audio Midi Setup windows will show an audio interface named Bar, and a MIDI port named Bar.  If you double-click on the MIDI port, it shows the Model, "Bar," and additional information, including the manufacturer Foo, as retrieved from the USB descriptor.  This is expected and desired, especially with devices that unlock features in non-free software.
    However, with Mavericks, some devices (staying with the Foo/Bar example), though the audio interface gets named Bar, show up in the MIDI Studio window of AMS as "USB MIDI Device," and double-clicking reveals the manufacturer and model to be "Generic" and "USB MIDI Device," respectively.  If you use the drop down menu at the top of this window to switch to a different configuration, or define a new one, while the device is connected, it appears in the second configuration as Bar, with the correct manufacturer.
    Now, according to https://developer.apple.com/library/mac/technotes/tn2274/_index.html, the Interface Association Descriptor needs to group all the audio descriptors together, they need to be contiguous, and they need to be ordered by Audio Control, then Audio Streaming, then MIDI streaming.  The device that isn't coming up correctly meets those criteria, so I wonder what else is missing.
    Here's a dump:
    Information for device Bar (VID=0x0f00 PID=0x0baa):
    Connection Information:
    Connection status: Device connected
    Device actual bus speed: High
    Device is hub: No
    Device address: 0x0001
    Current configuration value: 0x01
    Number of open pipes: 5
    Device Descriptor:
    0x12    bLength
    0x01    bDescriptorType
    0x0200    bcdUSB
    0xEF    bDeviceClass   (Miscellaneous device)
    0x02    bDeviceSubClass  
    0x01    bDeviceProtocol  
    0x40    bMaxPacketSize0   (64 Bytes)
    0x0f00    idVendor
    0x0baa    idProduct
    0x0010    bcdDevice
    0x01    iManufacturer   "Foo"
    0x03    iProduct   "Bar"
    0x00    iSerialNumber
    0x02    bNumConfigurations
    Device Qualifier Descriptor:
    0x0A    bLength
    0x06    bDescriptorType
    0x0200    bcdUSB
    0x00    bDeviceClass  
    0x00    bDeviceSubClass  
    0x00    bDeviceProtocol  
    0x40    bMaxPacketSize0   (64 Bytes)
    0x01    bNumConfigurations
    0x00    bReserved
    Configuration Descriptor:
    0x09    bLength
    0x02    bDescriptorType
    0x0169    wTotalLength
    0x05    bNumInterfaces
    0x01    bConfigurationValue
    0x00    iConfiguration
    0x80    bmAttributes   (Bus-powered Device)
    0xFA    bMaxPower   (500 mA)
    Interface Association Descriptor:
    0x08    bLength
    0x0B    bDescriptorType
    0x00    bFirstInterface
    0x04    bInterfaceCount
    0x01    bFunctionClass   (Audio Device Class)
    0x00    bFunctionSubClass  
    0x20    bFunctionProtocol  
    0x00    iFunction
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x00    bInterfaceNumber
    0x00    bAlternateSetting
    0x00    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x01    bInterfaceSubClass   (Audio Control Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    AC Interface Header Descriptor:
    0x09    bLength
    0x24    bDescriptorType
    0x01    bDescriptorSubtype
    0x0200    bcdADC
    0x08    bCategory
    0x0087    wTotalLength
    0x00    bmControls
    AC Clock Source Descriptor:
    0x08    bLength
    0x24    bDescriptorType
    0x0A    bDescriptorSubtype
    0x29    bClockID
    0x03    bmAttributes
    0x07    bmControls
    0x00    bAssocTerminal
    0x0E    iClockSource   "Foo Internal Clock"
    AC Clock Selector Descriptor:
    0x08    bLength
    0x24    bDescriptorType
    0x0B    bDescriptorSubtype
    0x28    bClockID
    0x01    bNrInPins
    0x29    baCSourceID(1)
    0x03    bmControls
    0x0D    iClockSelector   "Foo Clock Selector"
    AC Input Terminal Descriptor:
    0x11    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x02    bTerminalID
    0x0101    wTerminalType   (USB Streaming)
    0x00    bAssocTerminal
    0x28    bCSourceID
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x12    iChannelNames
    0x00    bmControls
    0x06    iTerminal   "Bar "
    AC Feature Unit Descriptor:
    0x1A    bLength
    0x24    bDescriptorType
    0x06    bDescriptorSubtype
    0x0A    bUnitID
    0x02    bSourceID
    0x0000000F    bmaControls(0)
    0x0000000F    bmaControls(1)
    0x0000000F    bmaControls(2)
    0x0000000F    bmaControls(3)
    0x0000000F    bmaControls(4)
    0x00    iFeature
    AC Output Terminal Descriptor:
    0x0C    bLength
    0x24    bDescriptorType
    0x03    bDescriptorSubtype
    0x14    bTerminalID
    0x0301    wTerminalType   (Speaker)
    0x00    bAssocTerminal
    0x0A    bSourceID
    0x28    bCSourceID
    0x0000    bmControls
    0x00    iTerminal
    AC Input Terminal Descriptor:
    0x11    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x01    bTerminalID
    0x0201    wTerminalType   (Microphone)
    0x00    bAssocTerminal
    0x28    bCSourceID
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x16    iChannelNames
    0x00    bmControls
    0x00    iTerminal
    AC Feature Unit Descriptor:
    0x1A    bLength
    0x24    bDescriptorType
    0x06    bDescriptorSubtype
    0x0B    bUnitID
    0x01    bSourceID
    0x0000000F    bmaControls(0)
    0x0000000F    bmaControls(1)
    0x0000000F    bmaControls(2)
    0x0000000F    bmaControls(3)
    0x0000000F    bmaControls(4)
    0x00    iFeature
    AC Output Terminal Descriptor:
    0x0C    bLength
    0x24    bDescriptorType
    0x03    bDescriptorSubtype
    0x16    bTerminalID
    0x0101    wTerminalType   (USB Streaming)
    0x00    bAssocTerminal
    0x0B    bSourceID
    0x28    bCSourceID
    0x0000    bmControls
    0x07    iTerminal   "Bar "
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x01    bInterfaceNumber
    0x00    bAlternateSetting
    0x00    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x02    bInterfaceSubClass   (Audio Streaming Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x01    bInterfaceNumber
    0x01    bAlternateSetting
    0x02    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x02    bInterfaceSubClass   (Audio Streaming Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    AS Interface Descriptor:
    0x10    bLength
    0x24    bDescriptorType
    0x01    bDescriptorSubtype
    0x02    bTerminalLink
    0x00    bmControls
    0x01    bFormatType
    0x00000001    bmFormats
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x12    iChannelNames
    AS Format Type 1 Descriptor:
    0x06    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x01    bFormatType
    0x04    bSubslotSize
    0x18    bBitResolution   (24 Bits/sample)
    Endpoint Descriptor:
    0x07    bLength
    0x05    bDescriptorType
    0x01    bEndpointAddress   (OUT Endpoint)
    0x05    bmAttributes    (Transfer: Isochronous / Synch: Asynchronous / Usage: Data)
    0x00D0    wMaxPacketSize   (208 Bytes)
    0x01    bInterval
    AS Isochronous Data Endpoint Descriptor:
    0x08    bLength
    0x25    bDescriptorType
    0x01    bDescriptorSubtype
    0x00    bmAttributes
    0x00    bmControls
    0x02    bLockDelayUnits   (Decoded PCM samples)
    0x0008    wLockDelay
    Endpoint Descriptor:
    0x07    bLength
    0x05    bDescriptorType
    0x81    bEndpointAddress   (IN Endpoint)
    0x11    bmAttributes    (Transfer: Isochronous / Synch: None / Usage: Feedback)
    0x0004    wMaxPacketSize   (4 Bytes)
    0x04    bInterval
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x02    bInterfaceNumber
    0x00    bAlternateSetting
    0x00    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x02    bInterfaceSubClass   (Audio Streaming Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x02    bInterfaceNumber
    0x01    bAlternateSetting
    0x01    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x02    bInterfaceSubClass   (Audio Streaming Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    AS Interface Descriptor:
    0x10    bLength
    0x24    bDescriptorType
    0x01    bDescriptorSubtype
    0x16    bTerminalLink
    0x00    bmControls
    0x01    bFormatType
    0x00000001    bmFormats
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x16    iChannelNames
    AS Format Type 1 Descriptor:
    0x06    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x01    bFormatType
    0x04    bSubslotSize
    0x18    bBitResolution   (24 Bits/sample)
    Endpoint Descriptor:
    0x07    bLength
    0x05    bDescriptorType
    0x82    bEndpointAddress   (IN Endpoint)
    0x05    bmAttributes    (Transfer: Isochronous / Synch: Asynchronous / Usage: Data)
    0x00D0    wMaxPacketSize   (208 Bytes)
    0x01    bInterval
    AS Isochronous Data Endpoint Descriptor:
    0x08    bLength
    0x25    bDescriptorType
    0x01    bDescriptorSubtype
    0x00    bmAttributes
    0x00    bmControls
    0x02    bLockDelayUnits   (Decoded PCM samples)
    0x0008    wLockDelay
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x03    bInterfaceNumber
    0x00    bAlternateSetting
    0x02    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x03    bInterfaceSubClass   (MIDI Streaming Interface)
    0x00    bInterfaceProtocol  
    0x00    iInterface
    MS Interface Header Descriptor:
    0x07    bLength
    0x24    bDescriptorType
    0x01    bDescriptorSubtype
    0x0100    bcdMSC
    0x0041    wTotalLength
    MS MIDI IN Jack Descriptor:
    0x06    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x01    bJackType
    0x01    bJackID
    0x00    iJack
    MS MIDI IN Jack Descriptor:
    0x06    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x02    bJackType
    0x02    bJackID
    0x00    iJack
    MS MIDI OUT Jack Descriptor:
    0x09    bLength
    0x24    bDescriptorType
    0x03    bDescriptorSubtype
    0x01    bJackType
    0x03    bJackID
    0x01    bNrInputPins
    0x02    baSourceID(1)
    0x01    baSourcePin(1)
    0x00    iJack
    MS MIDI OUT Jack Descriptor:
    0x09    bLength
    0x24    bDescriptorType
    0x03    bDescriptorSubtype
    0x02    bJackType
    0x04    bJackID
    0x01    bNrInputPins
    0x01    baSourceID(1)
    0x01    baSourcePin(1)
    0x00    iJack
    Endpoint Descriptor (Audio/MIDI):
    0x09    bLength
    0x05    bDescriptorType
    0x02    bEndpointAddress   (OUT Endpoint)
    0x02    bmAttributes    (Transfer: Bulk / Synch: None / Usage: Data)
    0x0200    wMaxPacketSize   (512 Bytes)
    0x00    bInterval
    0x00    bRefresh
    0x00    bSynchAddress
    MS Bulk Data Endpoint Descriptor:
    0x05    bLength
    0x25    bDescriptorType
    0x01    bDescriptorSubtype
    0x01    bNumEmbMIDIJack
    0x01    baAssocJackID(1)
    Endpoint Descriptor (Audio/MIDI):
    0x09    bLength
    0x05    bDescriptorType
    0x83    bEndpointAddress   (IN Endpoint)
    0x02    bmAttributes    (Transfer: Bulk / Synch: None / Usage: Data)
    0x0200    wMaxPacketSize   (512 Bytes)
    0x00    bInterval
    0x00    bRefresh
    0x00    bSynchAddress
    MS Bulk Data Endpoint Descriptor:
    0x05    bLength
    0x25    bDescriptorType
    0x01    bDescriptorSubtype
    0x01    bNumEmbMIDIJack
    0x03    baAssocJackID(1)
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x04    bInterfaceNumber
    0x00    bAlternateSetting
    0x00    bNumEndPoints
    0xFE    bInterfaceClass   (Application Specific)
    0x01    bInterfaceSubClass  
    0x01    bInterfaceProtocol  
    0x0F    iInterface   "Foo DFU"
    Configuration Descriptor:
    0x09    bLength
    0x02    bDescriptorType
    0x0169    wTotalLength
    0x05    bNumInterfaces
    0x01    bConfigurationValue
    0x00    iConfiguration
    0x80    bmAttributes   (Bus-powered Device)
    0xFA    bMaxPower   (500 mA)
    Interface Association Descriptor:
    0x08    bLength
    0x0B    bDescriptorType
    0x00    bFirstInterface
    0x04    bInterfaceCount
    0x01    bFunctionClass   (Audio Device Class)
    0x00    bFunctionSubClass  
    0x20    bFunctionProtocol  
    0x00    iFunction
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x00    bInterfaceNumber
    0x00    bAlternateSetting
    0x00    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x01    bInterfaceSubClass   (Audio Control Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    AC Interface Header Descriptor:
    0x09    bLength
    0x24    bDescriptorType
    0x01    bDescriptorSubtype
    0x0200    bcdADC
    0x08    bCategory
    0x0087    wTotalLength
    0x00    bmControls
    AC Clock Source Descriptor:
    0x08    bLength
    0x24    bDescriptorType
    0x0A    bDescriptorSubtype
    0x29    bClockID
    0x03    bmAttributes
    0x07    bmControls
    0x00    bAssocTerminal
    0x0E    iClockSource   "Foo Internal Clock"
    AC Clock Selector Descriptor:
    0x08    bLength
    0x24    bDescriptorType
    0x0B    bDescriptorSubtype
    0x28    bClockID
    0x01    bNrInPins
    0x29    baCSourceID(1)
    0x03    bmControls
    0x0D    iClockSelector   "Foo Clock Selector"
    AC Input Terminal Descriptor:
    0x11    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x02    bTerminalID
    0x0101    wTerminalType   (USB Streaming)
    0x00    bAssocTerminal
    0x28    bCSourceID
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x12    iChannelNames
    0x00    bmControls
    0x06    iTerminal   "Bar "
    AC Feature Unit Descriptor:
    0x1A    bLength
    0x24    bDescriptorType
    0x06    bDescriptorSubtype
    0x0A    bUnitID
    0x02    bSourceID
    0x0000000F    bmaControls(0)
    0x0000000F    bmaControls(1)
    0x0000000F    bmaControls(2)
    0x0000000F    bmaControls(3)
    0x0000000F    bmaControls(4)
    0x00    iFeature
    AC Output Terminal Descriptor:
    0x0C    bLength
    0x24    bDescriptorType
    0x03    bDescriptorSubtype
    0x14    bTerminalID
    0x0301    wTerminalType   (Speaker)
    0x00    bAssocTerminal
    0x0A    bSourceID
    0x28    bCSourceID
    0x0000    bmControls
    0x00    iTerminal
    AC Input Terminal Descriptor:
    0x11    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x01    bTerminalID
    0x0201    wTerminalType   (Microphone)
    0x00    bAssocTerminal
    0x28    bCSourceID
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x16    iChannelNames
    0x00    bmControls
    0x00    iTerminal
    AC Feature Unit Descriptor:
    0x1A    bLength
    0x24    bDescriptorType
    0x06    bDescriptorSubtype
    0x0B    bUnitID
    0x01    bSourceID
    0x0000000F    bmaControls(0)
    0x0000000F    bmaControls(1)
    0x0000000F    bmaControls(2)
    0x0000000F    bmaControls(3)
    0x0000000F    bmaControls(4)
    0x00    iFeature
    AC Output Terminal Descriptor:
    0x0C    bLength
    0x24    bDescriptorType
    0x03    bDescriptorSubtype
    0x16    bTerminalID
    0x0101    wTerminalType   (USB Streaming)
    0x00    bAssocTerminal
    0x0B    bSourceID
    0x28    bCSourceID
    0x0000    bmControls
    0x07    iTerminal   "Bar "
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x01    bInterfaceNumber
    0x00    bAlternateSetting
    0x00    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x02    bInterfaceSubClass   (Audio Streaming Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
    0x01    bInterfaceNumber
    0x01    bAlternateSetting
    0x02    bNumEndPoints
    0x01    bInterfaceClass   (Audio Device Class)
    0x02    bInterfaceSubClass   (Audio Streaming Interface)
    0x20    bInterfaceProtocol  
    0x00    iInterface
    AS Interface Descriptor:
    0x10    bLength
    0x24    bDescriptorType
    0x01    bDescriptorSubtype
    0x02    bTerminalLink
    0x00    bmControls
    0x01    bFormatType
    0x00000001    bmFormats
    0x04    bNrChannels
    0x00000000    bmChannelConfig
    0x12    iChannelNames
    AS Format Type 1 Descriptor:
    0x06    bLength
    0x24    bDescriptorType
    0x02    bDescriptorSubtype
    0x01    bFormatType
    0x04    bSubslotSize
    0x18    bBitResolution   (24 Bits/sample)
    Endpoint Descriptor:
    0x07    bLength
    0x05    bDescriptorType
    0x01    bEndpointAddress   (OUT Endpoint)
    0x05    bmAttributes    (Transfer: Isochronous / Synch: Asynchronous / Usage: Data)
    0x00D0    wMaxPacketSize   (208 Bytes)
    0x01    bInterval
    AS Isochronous Data Endpoint Descriptor:
    0x08    bLength
    0x25    bDescriptorType
    0x01    bDescriptorSubtype
    0x00    bmAttributes
    0x00    bmControls
    0x02    bLockDelayUnits   (Decoded PCM samples)
    0x0008    wLockDelay
    Endpoint Descriptor:
    0x07    bLength
    0x05    bDescriptorType
    0x81    bEndpointAddress   (IN Endpoint)
    0x11    bmAttributes    (Transfer: Isochronous / Synch: None / Usage: Feedback)
    0x0004    wMaxPacketSize   (4 Bytes)
    0x04    bInterval
    Interface Descriptor:
    0x09    bLength
    0x04    bDescriptorType
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