MOTU 896HD User's Guide download pdf (Page 56)

DIGITAL PERFORMER

As another example, if you are using analog,

AES/EBU and ADAT optical, you need 22 voices

(the maximum number of simultaneous output

channels provided by the 896HD).

TRIMMING THE ANALOG INPUTS

The 896HD analog inputs provide trim knobs on

the front panel. To calibrate an audio input:

1 Record-enable a track in Digital Performer.

2 Choose the desired 896HD input for the track.

3 Open the Audio Monitor window.

4 As you feed signal to the input, adjust the input’s

corresponding trim knob on the front panel of the

896HD until peaks in the level meter are as high as

possible without clipping (hitting zero dB).

WORKING WITH 896HD INPUTS AND

OUTPUTS

Once you’ve enabled the MOTU FireWire Audio

driver as explained earlier in “The 896HD settings”

on page 53, 896HD audio inputs and outputs will

appear in Digital Performer’s audio input and

output menus. If you don’t see the optical inputs

and/or outputs, check the MOTU FireWire Audio

Console to make sure they are turned on and set to

the format you require. If you don’t plan to use the

optical input or output, turn it off to conserve

computer bandwidth.

Phones 1-2

If you’ve chosen to treat the 896HD headphones as

an independent output, you’ll see Phones 1-2 in

Digital Performer’s output menus. Audio tracks

assigned to this output pair will be heard on the

headphone jack only. For further explanation, see

“Phones” on page 41.

Mix1 1-2

In Digital Performer’s audio input menus, you’ll see

an 896HD input called Mix1 1-2. This input source

delivers the output of CueMix DSP “MIX1” (the

ﬁrst mix bus of the four on-board no-latency

monitor mixes in the 896HD) to your computer.

This input serves, for example, as a convenient way

for you to record the 896HD’s MIX1 monitor mix

into Digital Performer (for reference and archiving

purposes). Further, if you are sending audio from

Digital Performer to the same output pair as MIX1,

you can choose to either include or exclude the

audio from the computer in the MIX1 stream being

sent to Digital Performer. For details on how to do

this, see “Mix1 Return Includes Computer” on

page 96.

The Mix1 1-2 input is not available at the 4x sample

rates (176.4 or 192kHz).

☛ War ni n g : t h e Mix1 1-2 input can cause

feedback loops! DO NOT assign this input to a

track that shares the same 896HD output pair as

MIX1.

24-BIT OPERATION

Yo u r 8 9 6HD hardware fully supports Digital

Performer’s 24-bit recording capabilities, including

both analog and digital 24-bit recording. If you

would like to record and play back 24-bit audio

ﬁles, go to the Setup menu (Basics menu under OS

9), choose MOTU Audio System options>Conﬁgure

Sample Format, and choose 24-bit recording as the

sample format. This setting is saved with the

Digital Performer project.

FINE-TUNING I/O TIMING

The 896HD has the ability to be sample accurate.

This means that when you transfer audio between

Digital Performer and an ADAT (or other ADAT-

sync compatible recorder), for example, you can

record the audio back and forth as many times as

you want between them and it will remain exactly

at its original sample location (unless you move it

in Digital Performer, of course).

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MOTU 896HD User's Guide Page 56

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