MOTU 8pre User's Guide download pdf (Page 38)

CONFIGURING HOST AUDIO SOFTWARE

Figure 7-9: Make sure you have chosen a 8pre USB input and output

for the playback and recording timing master settings.

3 Additionally, if you are using the MOTU WDM

driver, click the Wave Proﬁler button and run the

Wave Proﬁler. This process chooses the optimum

settings for the 8pre USB hardware.

Figure 7-10: Running the Wave Proﬁler in Cakewalk’s SONAR.

Sound Forge

In Sony Sound Forge, go to the Preferences

window, click the Audio tab, and then choose

MOTU Audio from the Audio device type menu.

Other audio software

For other audio applications, the procedure is

similar to that shown above. Consult your owner’s

manual for further information.

REDUCING LATENCY

On Windows, audio I/O buffer size is handled by

the audio driver rather than the host audio

application.

In the MOTU Audio Console, Samples Per Buffer

provides an adjustable audio buffer setting that lets

you control the amount of delay you’ll hear when

monitoring live inputs through your host audio

software or processing them with software

plug-ins.

For information, see the “Adjusting the audio I/O

buffer” section of chapter 8, “Reducing Monitoring

Latency” (page 41).

WORKING WITH 8PRE USB INPUTS AND

OUTPUTS

Once you’ve enabled the 8pre USB’s driver, 8pre

USB audio inputs and outputs will appear in your

host software wherever audio inputs and outputs

are listed. If you don’t see the optical inputs and/or

outputs, check MOTU Audio Console to make sure

they are enabled. If you don’t plan to use either

optical bank, turn it off to conserve computer

bandwidth.

Remember that the headphone output can be

conﬁgured in MOTU Audio Console to mirror

other outputs. In addition, the 8pre USB optical

banks can be disabled. This will affect how they

appear (and if they appear at all) in your host

software’s audio input lists. See “Optical input/

output” on page 30 and “Phones Assignment” on

page 30.

Number of channels

If your host audio software requires that you

specify the number of audio voices or channels you

will be using, be sure to choose enough channels to

cover the 16 inputs and 12 outputs provided by

your 8pre USB.

Mix1 1-2 return bus

In your host audio software audio input menus,

you’ll see an 8pre USB input called Mix1 Return 1-

2. This is a stereo feed from the 8pre USB that

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MOTU 8pre User's Guide Page 38

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