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Enabling and Disabling Audio Devices
Your computer may have several installed devices like FAX modems and software
synthesizers that Windows recognizes as sound cards containing audio drivers.
You do not want to use these devices for audio input or output. If they are listed as
audio drivers in the Audio Options dialog box, you need to disable them.
To Enable or Disable an Audio Device
1. Choose Options-Audio to open the Audio Options dialog box and click the
Drivers tab.
2. In the Input Drivers and Output Drivers fields, do one or both of the following:
• To enable an audio device, click the name of the device so that it is
highlighted.
• To disable an audio device, click the name of the device so that it is not
highlighted.
3. Click OK.
Disabling a device in the Audio Options dialog box usually prevents conflicts with
other audio devices. Occasionally you may need to disable a device in the Windows
Control Panel.
SONAR also allows you to choose the sound card whose clock should be used to
control recording and playback timing (if you only have one sound card, SONAR
automatically uses it). Every sound card’s clock crystal is slightly different, which
causes minor differences in the actual playback rate on each card. These
differences may lead to slight synchronization problems if you use one card for
recording and a different one for playback. Generally, you should choose your
highest quality sound card for both recording and playback timing. Note that while
some multichannel sound cards have multiple drivers, most sound cards have only
a single audio driver.
To Select Playback and Record Timing Masters
1. Choose Options-Audio to open the Audio Options dialog box and click the
General tab.
2. In the Playback Timing Master and Record Timing Master fields, select which
sound cards you want to control playback and record timing, respectively.
3. Click OK.
While you must choose a playback timing master, you can route audio output
through any number of devices at once. For example, suppose your computer has
both a high-end audio card and a basic built-in sound card. You should choose the
high-end sound card as the record and playback timing master. However, using the
buses in the Console or Track views, you could create a headphone or monitor mix
and route it through the built-in sound card.
Configuring SONAR for 18 bit-, 20-bit, and 24-bit
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