MOTU 896HD User's Guide download pdf (Page 42)

MOTU FIREWIRE AUDIO CONSOLE (MAC OS X)

None

No sample rate conversion occurs. Both the AES/

EBU input and output match the sample rate of the

896HD’s system clock.

AES In

The AES/EBU input locks to the sample rate of the

input signal (whatever it happens to be) and

converts it to the 896HD system clock rate. The

Rate Conversion LEDs on the 896HD front panel

indicate the incoming sample rate and that rate

conversion is occurring.

AES Out slave to AES in

To m a ke t h e AES/EBU output sample rate match

the sample rate currently being received by the

896HD’s AES/EBU input, choose AES Out slave to

AES in. This setting requires a connection to the

896HD’s AES/EBU input from a device that is

transmitting an AES/EBU clock signal.

☛ Be careful when both the 896HD’s AES/EBU

input and output are connected to the same

external device: this option is likely to create a

clock loop.

☛ When you are using the AES/EBU input as a

clock source for sample rate conversion on the

AES/EBU output, you cannot use the AES/EBU

input for audio input.

AES Out x 2 / AES Out ÷ 2

Choose one of these sample rates when the desired

AES/EBU output rate needs to be twice the 896HD

system clock rate (when the system clock is at

either 44.1 or 48 kHz) or half the system clock rate

(when the system clock is at 88.2 or 96 kHz). Either

way, the AES/EBU output remains resolved to the

896HD system clock. For further details about this

option, see “Syncing AES/EBU devices” on

page 26.

Programmable Meters

This option lets you choose which bank you wish

to monitor with the eight programmable meters on

the MOTU 896HD front panel. Your choices are:

Analog Out, ADAT In or ADAT Out. You can also

adjust this setting by repeatedly pushing the

VOLUME knob on the 896HD front panel.

AES/EBU Meters

This option lets you choose to monitor either AES/

EBU input or output with the programmable AES/

EBU meters on the MOTU 896HD front panel. You

can also adjust this setting by repeatedly pushing

the VOLUME knob on the 896HD front panel.

Clip Hold Time

The Clip Hold Time option controls how long the

top red LED remains illuminated after clipping

occurs (see Figure 5-3 below).

Figure 5-3: The Clip Hold Time option.

If you want the ability to clear the LED manually

from your host audio software or the Cue Mix

Console, Choose Inﬁnite from the Clip Hold Time

menu. In Digital Performer or AudioDesk, you can

clear the 896HD clip LEDs by choosing Audio

menu>Clear All Clipping Indicators.

Peak Hold Time

The 896HD front-panel level meters support

standard peak/hold metering, where the LED for

the highest level recently measured on the channel

remains illuminated for a brief period of time while

the rest of the LEDs below it remain fully dynamic.

The Peak Hold Time controls how long the peak-

hold LED remain illuminated before going dark

again.

The ‘Clip Hold Time’ option controls

how long this LED remains illuminated.

This LED lights up momentarily.

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MOTU 896HD User's Guide Page 42

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