
MENU AND DIALOG REFERENCE
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Preferences – Audio
Master Tune
This lets you adjust the global tuning in Reason. Standard tuning is “middle
A” at 440 Hz. You can adjust this by +/- 100 cents.
Audio Card Driver
This menu lists all the available Audio Card Drivers on your system, and lets
you select which one Reason should use. Which option to select depends on
the platform and the audio hardware:
➜ 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 you will
get lower latency (see below) and possibly better support for additional
hardware features such as multiple outputs.
➜ Mac OS: If you are using the built-in audio hardware on the Mac, se-
lect “Sound Manager Default Output”.
This makes Reason communicate with the audio hardware using Apple
Sound Manager (the sound driver protocol that comes with the MacOS).
➜ Windows: 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.
➜ Windows: If the audio hardware doesn’t support Direct Sound (i.e.
there is no Direct Sound driver for the audio hardware), select the
MME driver for the audio hardware.
This makes use of Windows Multimedia Extensions, the part of Windows
that handles audio, MIDI, etc. Using MME often results in larger latency
values (see below).
Number of Channels
This displays the number of audio channels (outputs) the currently selected
audio hardware supports. For a regular stereo card, this number will be “2”.
Control Panel
If you have selected an ASIO driver, this button brings up a control panel win-
dow specifically for that audio hardware. This may contain buffer settings,
routing options, synchronization alternatives etc.
Sample Rate
This lets you specify the playback sample rate. The options available on this
menu depends on which sample rates are supported by your audio hard-
ware.
Play in Background
When this is activated, Reason will not “release its grip” on the audio hard-
ware when another application is active.
• The advantage is that Reason will keep playing while you work in
the other application.
• The disadvantage is that other audio applications may not be able
to play any audio, depending on the type of driver used.
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