MOTU 896HD User's Guide download pdf (Page 86)

REDUCING MONITORING LATENCY

MONITORING LIVE INPUT

There are two ways to monitor live audio input

with an 896HD: 1) through the computer or 2) via

CueMix™ DSP hardware monitoring. Figure 11-1

on page 86 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 11-2 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 CueMix Console software.

If the material you are recording is suitable, there is

a third way to monitor live input: use both methods

(Figure 11-1 and Figure 11-2) at the same time. For

example, you could route vocals to both the

1. Live input (from

mic, guitar, etc.)

enters the MOTU

interface.

Mac

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 11-1: There are two ways to monitor live audio inputs with an 896HD: 1) through the computer or 2) via CueMix™ DSP hardware

monitoring. This diagram shows method 1 (through the computer). When using this method, use your host software’s buffer setting (or, under

Mac OS 9, the 896HD’s ‘Samples Per Buffer’ setting in the MOTU FireWire Audio Console) 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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