MOTU 8pre User's Guide download pdf (Page 42)

REDUCING MONITORING LATENCY

MONITORING LIVE INPUT

There are two ways to monitor live audio input

with an 8pre USB: 1) through the computer or 2)

via CueMix™ DSP hardware monitoring.

Figure 8-1 below shows method 1, which allows

you to add effects processing such as reverb and

guitar amp effects via plug-ins in your audio

software. See the next section, “Adjusting the audio

I/O buffer” for details about how to reduce — and

possibly eliminate — the audible monitoring delay

that the computer introduces.

Figure 8-2 on page 43 shows how to use CueMix™

DSP hardware-based monitoring, which lets you

hear what you are recording with no monitoring

delay and no computer-based effects processing.

(You can add effects later, after you’ve recorded the

live input as a disk track.) See “CueMix DSP

hardware monitoring” later in this chapter for

details on how to use CueMix DSP with your audio

software, or with the included MOTU CueMix FX

software.

If the material you are recording is suitable, there is

a third way to monitor live input: use both methods

(Figure 8-1 and Figure 8-2) at the same time. For

example, you could route vocals to both the

computer (for a bit of reverb) and mix that

processed signal on the main outs with dry vocals

from CueMix DSP.

1. Live input (from mic, guitar, etc.)

enters the MOTU interface.

2. Mic signal goes immedi-

ately to the computer (dry,

with no effects processing).

3. Mic signal is

‘patched thru’ back to

the audio interface

with reverb or other

plug-in effects, if any.

Figure 8-1: There are two ways to monitor live audio inputs with an 8pre USB: 1) through the computer or 2) via CueMix™ DSP hardware

monitoring. This diagram shows method 1 (through the computer). When using this method, use MOTU Audio Console’s buffer setting

(Figure 8-3 on page 43) to reduce the slight delay you hear when monitoring the live input, but don’t lower it too much, or your computer

might get sluggish.

4. Mic signal (with plug-in

processing, if any) is routed

to the main outs (or other

outputs that you’ve speciﬁed

in the software).

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