![]() Note: You must change this variable in AUD.ini BEFORE SONAR starts running, using the Edit Config File button from within SONAR will not allow the change to be overwritten. Modify it to read: UseExtensibleForMultichannelIO=0.Locate the line that reads: UseExtensibleForMultichannelIO=1. ![]() For example, if you had an Edirol UA-1000 it would appear: Locate the section with your audio devices configuration information.Locate and open the file named AUD or AUD.ini by double-clicking on it.Navigate into your SONAR 8 Producer or Studio Edition folder.Type the following into the prompt: %appdata%\Cakewalk.Open the Run Prompt, hold down the Windows key (located between CTRL and ALT) and then press R on your computer keyboard.If you experience problems with multichannel audio drivers in WDM mode, setting this value to '0' in AUD.ini for the device in question may help resolve it. This is the default behavior and is the Windows standard for multichannel I/O. When set to '1' (default), the driver is initialized with a WAVEFORMATEXTENSIBLE format when it exposes multichannel pins. The new variable UseExtensibleForMultiChannelIO is defined in the per device configuration section in the AUD.ini file. Also, it's been found that some drivers rely on the older WAVEFORMATEX format and fail to open. Ive been searching some posts here and on the Cakewalk forum and am still wondering how and if I can compensate for latency when. This actually works around a driver issue where using a WAVEFORMATEXTENSIBLE format to talk to the device results in the driver exhibiting a higher latency. The rest is pretty much Sonar propaganda. The information in this article applies to:Ī new AUD.ini variable was introduced in SONAR 8.0.1 to address a problem where some devices exhibited a higher latency in the WDM/KS driver mode when running as a multichannel audio device. High Latency or Failure to Open 24 bit Device in WDM Last updated on
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