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Setting Up

Windows

If you are using audio hardware for which there is a specific ASIO

driver, you should select this.

With an ASIO driver written specifically for the audio hardware, Reason can

communicate more or less directly with the audio hardware. The benefits are

lower latency (see below) and possibly better support for additional hard-

ware features such as multiple outputs.

If there is no specific ASIO driver, you should select the Direct

Sound driver for the audio hardware.

This makes Reason communicate with the hardware via Direct Sound (a part

of the Microsoft DirectX package). For this to be possible, you need to have

DirectX installed on your computer, and there must be a Direct Sound driver

for the audio hardware.

The Direct Sound driver for a Creative SoundBlaster PCI card selected.

Please be aware that as of this writing, Windows XP ships with Di-

rectX version 8.1, and Windows 2000 with DirectX version 7.0. So if

you’re using one of these operating systems it is not necessary to

separately install DirectX, since it’s inherently a part of the operat-

ing system.

If the audio hardware doesn’t support Direct Sound (i.e. there is no

Direct Sound driver available for the audio hardware), select the

MME driver.

This makes use of Windows Multimedia Extensions, the part of Windows

that handles audio, MIDI, etc. Using MME often results in larger latency val-

ues (see below).

About Latency and other Audio Settings

In the audio page, you will find a number of additional settings for audio. The

most important ones are Buffer Size and the corresponding readout for Output

Latency.

Latency is the delay between when audio is “sent” from the program and when

you actually hear it. The latency in an audio system depends on the audio hard-

ware, its drivers and their settings.

If the latency is large, you will notice that the sound is delayed when you play a

device from a MIDI keyboard. You may also notice that reactions are delayed

when adjusting controls on the device panels (for example, if you lower the vol-

ume of a device, you will not hear this immediately but after the latency time).

If you experience high latency values, you will need to make adjustments to your

configuration. Please consult the electronic documentation for details.

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