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Bug OnAudioFilterRead and MacOS 10.13.6 and up: clipping

Discussion in 'Audio & Video' started by Unifikation, May 17, 2023.

  1. Unifikation

    Unifikation

    Joined:
    Jan 4, 2023
    Posts:
    1,026
    On every MacBook Pro since the Touch Bar came out, with every version of MacOS since 10.13, the clipping issues caused by conflicts between noise cancellation of the OS and the way that Fmod and the OnAudioFilterRead facility works creates clipping noises (very loud glitches at full peak between maximum and minimum volume) when conjoining wave files, even the same wave file upon itself.

    Plug in a pair of headphones and this stops.
     
    Unifikation, May 17, 2023
    #1

  2. SeventhString

    SeventhString

    Unity Technologies

    Joined:
    Jan 12, 2023
    Posts:
    283
    How did you deduce that the noise cancellation feature was in cause? Could you provide a sample project where you isolate this phenomenon?
     
    SeventhString, May 17, 2023
    #2

  3. Unifikation

    Unifikation

    Joined:
    Jan 4, 2023
    Posts:
    1,026
    If you're not aware of the problems with.T1 and T2 chips, please find someone that is. They're a well known cause of all sorts of issues with audio, in every professional field.
     
    Unifikation, May 17, 2023
    #3