OSX Mojave and H9000 - USB Audio not appearing back on computer

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- January 16, 2019 at 9:59 pm #115157
  
  Edgar9001
  Participant
  
  Hi,
  
  …brought my H9K home to work there and funnily the USB capabilities are not working properly.
  
  Studio environnment: All USB in and outs behave as they should with a Mac Pro 5.1, Ableton 10, Mac OS X High Sierra, aggretated device there with Motu 24 i/O…
  
  At home: latest iMac from 2017, OX X Mojave, Ableton 10, aggregated device with NI Audio Kontrol 2, USB IN works but USB Out none are working, despite the meters in the H9K displaying USB Output signal(s).
  
  I can route into the H9K via USB but have to connect then to Analog Out to hear the effect…
  
  H9000 software updatet to latest version today via the internet.
  
  kinda puzzled,
  
  Edgar.
- January 17, 2019 at 1:23 am #151020
  
  jbamberg
  Moderator
  Eventide Staff
  
  Edgar9001 wrote:
  
  Hi, …brought my H9K home to work there and funnily the USB capabilities are not working properly. Studio environnment: All USB in and outs behave as they should with a Mac Pro 5.1, Ableton 10, Mac OS X High Sierra, aggretated device there with Motu 24 i/O… At home: latest iMac from 2017, OX X Mojave, Ableton 10, aggregated device with NI Audio Kontrol 2, USB IN works but USB Out none are working, despite the meters in the H9K displaying USB Output signal(s). I can route into the H9K via USB but have to connect then to Analog Out to hear the effect… H9000 software updatet to latest version today via the internet. kinda puzzled, Edgar.
  
  Mojave has been working fine for me (apart from Dante) but admittedly I have a much simpler setup. We will see if we can replicate this problem tomorrow. Perhaps it's related to the aggregate device.
- January 17, 2019 at 5:39 am #151021
  
  Edgar9001
  Participant
  
  HI,
  
  the problem persists even if I make the H9000 the only audio interface in my Mac. All USB Out meters in the H9000 display signal going out to all 16 USB – but none are arriving in Ableton on my Mac. Ableton 10 or 8, no difference here.
  
  Kind regards, Edgar.
- January 17, 2019 at 3:58 pm #151025
  
  jfirlik
  Moderator
  Eventide Staff
  
  There is a trick to getting the USB audio to work, I'm not sure if this is the problem that you're experiencing but it's worth a shot.
  
  From the H9000 FAQ:
  
  When switching to a new sample rate, you should first change the H9000’s sample rate, then change the computer’s sample rate. The audio will be muted if the sample rates don’t match. If you switch the computer’s sample rate first (e.g. by loading a session with a different sample rate), you will have to change the H9000’s sample rate, then change the computer’s sample rate again once the H9000’s clock is locked to the new rate.
  - January 17, 2019 at 8:26 pm #151029
    
    Edgar9001
    Participant
    
    jfirlik wrote:
    
    There is a trick to getting the USB audio to work, I’m not sure if this is the problem that you’re experiencing but it’s worth a shot.
    
    From the H9000 FAQ:
    
    When switching to a new sample rate, you should first change the H9000’s sample rate, then change the computer’s sample rate. The audio will be muted if the sample rates don’t match. If you switch the computer’s sample rate first (e.g. by loading a session with a different sample rate), you will have to change the H9000’s sample rate, then change the computer’s sample rate again once the H9000’s clock is locked to the new rate.
    
    …this is not the issue here… audio is received by the H9000 and going out to USB as per its meters… but not arriving in Ableton
  - January 17, 2019 at 10:35 pm #151031
    
    jbamberg
    Moderator
    Eventide Staff
    
    Edgar9001 wrote:
    
    …this is not the issue here… audio is received by the H9000 and going out to USB as per its meters… but not arriving in Ableton
    
    Granting Ableton the permission to access the microphone fixed this for me. See:
    
    https://discussions.apple.com/thread/8562503?answerId=34114960022#34114960022
    
    It seems that Mojave treats all audio inputs as "Microphone" for the purposes of access control.
    
    Please let us know if this fixed it for you.
  - January 18, 2019 at 11:31 am #151033
    
    Edgar9001
    Participant
    
    jbamberg wrote:
    
    Edgar9001 wrote:
    
    …this is not the issue here… audio is received by the H9000 and going out to USB as per its meters… but not arriving in Ableton
    
    Granting Ableton the permission to access the microphone fixed this for me. See:
    
    https://discussions.apple.com/thread/8562503?answerId=34114960022#34114960022
    
    It seems that Mojave treats all audio inputs as “Microphone” for the purposes of access control.
    
    Please let us know if this fixed it for you.
    
    Hi, yes, this was the problem- now the H9000 works as it should and I can concentrate again on exploring this fantastic machine. Thanx for quick help, Kind regards, Edgar
- January 17, 2019 at 7:03 pm #151028
  
  Edgar9001
  Participant
  
  Hi,
  
  it is not the issue with muted audio due to mismatch in sample rate – in this case no signal would go into the H9000 via USB
  
  See screenshot plus two photos from the H9000 Input/Output Meters …
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OSX Mojave and H9000 – USB Audio not appearing back on computer