Using the Audio Device tab

Item

Description

Audio device type

Choose a driver type from the drop-down list:

 

• Microsoft Sound Mapper: The default setting. Allows the Sound Mapper to

 

choose an appropriate playback device.

 

• Direct Sound Surround Mapper: Allows the Surround Mapper to choose

 

appropriate playback devices for the front, rear, and center/LFE channels in a

 

5.1 surround project (pg. 236).

 

• Windows Classic Wave Driver: Allows you to choose a specific audio device

 

using a classic wave driver. For stereo projects, choose a device from the

 

Default Stereo and Front playback device drop-down list. For 5.1-surround

 

projects, choose devices from the Default Stereo and Front playback device,

 

Default Rear playback device, and Default Center and LFE playback device

 

drop-down lists.

 

• ASIO: Allows you to choose a specific audio device using a low-latency ASIO

 

driver. For stereo projects, choose a device from the Default Stereo and Front

 

playback device from the drop-down list. For 5.1-surround projects, choose

 

devices from the Default Stereo and Front playback device, Default Rear

 

playback device, and Default Center and LFE playback device drop-down lists.

 

• ReWire Device Driver: Allows you to use ACID software as ReWire device in a

 

ReWire mixer application. If a ReWire mixer application starts ACID software,

 

that ACID window will start in ReWire mode and cannot be switched from

 

ReWire mode. If a ReWire mixer connects to an existing ACID window, that

 

window will run in ReWire mode, and you can switch out of ReWire mode if

 

necessary. If you exit that instance of the software and start ACID software

 

again, the new instance will start ReWire mode, and you can switch out of

 

ReWire mode if necessary by choosing a different audio device type.

 

 

Default Stereo and Front playback

Choose the device that you want to use for playing stereo sound data. In a 5.1

device

surround project, this device plays the right and left channels.

 

Selecting a device such as the Microsoft Sound Mapper allows Windows to select

 

an appropriate device to use for the current sound data.

 

Note: If you have selected Microsoft Sound Mapper, you cannot assign busses

 

to different devices.

 

 

Default Rear playback device

Choose the device that you want to use for playing the rear channels (right

 

surround and left surround) in a 5.1 surround project.

 

 

Default Center and LFE playback

Choose the device that you want to use for playing the center and LFE channels in

device

a 5.1 surround project.

 

 

Playback buffering (seconds)

The Playback buffering (seconds) slider specifies the total amount of buffering

 

that is used during playback. The larger the number, the more buffering that

 

occurs during playback. This value should be as low as possible without gapping.

 

To set it, start at 25 and play a typical song. Move some of the track faders. If the

 

playback gaps at all, try increasing this slider in small increments until the gapping

 

stops. As you increase this slider, the RAM meter at the bottom of the ACID

 

window will indicate more RAM usage.

 

If you simply cannot get playback to be free of gapping, you need to either

 

decrease the number of tracks you are trying to play simultaneously, install more

 

RAM in your computer so you can increase buffering, buy a faster access hard

 

drive, or minimize the number of audio plug-ins you are trying to use

 

simultaneously.

 

 

Enable track buffering

Select this check box and drag the Track buffering slider if you want to adjust the

 

amount of audio that is prerendered ahead of the cursor position.

 

When the check box is selected, a separate processing thread is used to render

 

audio from tracks. On multiprocessor or multicore computers, a thread will be

 

created for each logical processor.

 

When the check box is cleared, a single processing thread is used to render audio

 

from tracks and busses.

 

 

Default audio recording device

Choose the device that you want to use for recording sound data.

 

Selecting the Microsoft Sound Mapper allows the operating system to select an

 

appropriate device to use for the current sound data.

 

 

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