Input dither, Phones mix, Output mix – HHB comm CDR-882 User Manual

Page 31: Menu system

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Menu System

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CDR-882 User Manual Version 1.0

www.hhb.co.uk

Input Dither

The CDR-882 adds dither to some input signals to produce 16-

bit samples suitable for recording onto a CD.

Analogue inputs always have dither added to the 24-bit output

from the A-D converters.

If an AES/EBU or S/PDIF input signal has its channel status bits

set to indicate a true 16-bit signal, dither will not be applied, and

the Input Dither option will not be selectable. However, dither

may be applied to 20-bit or 24-bit digital input signals at the

user’s discretion.

The two settings for the Input Dither option are Auto and Off.

The default setting is Auto, thus dither will be automatically

applied to digital input signals with more than 16 bits.

Note that the Input Dither setting cannot be changed while the

CDR-882 is in RECORD mode.

Note also that no dither should be added to encoded bitstreams

such as DTS, Dolby E, Dolby Digital or HDCD as it would destroy

their data formats. Detection of such bitstreams will, in most

cases, be automatic and will ensure that Input Dither is selected

Off. However, there may be situations where the formats are

not automatically detected; in these cases, the user should set

Input Dither to Off manually.

Phones Mix

The Phones Mix menu option allows the user to define how the

headphone monitoring operates when the front panel PHONES

SELECT button is set to “Drive 1 + Drive 2” (see page 14).

Priority can be assigned to one or other of the drives. The signal

from a drive will be the playback audio if the drive is in PLAY

mode, or the currently-selected input signal if the drive is in

RECORD mode, or if the front panel MONITOR button [18] is

pressed.

Four options are available:

Option

Phones operation

Priority CD1

If both drives have an active signal, only that from Drive 1

is heard

Priority CD2

If both drives have an active signal, only that from Drive 2

is heard

1+2

The signals from both drives are mixed together

1+2 (-6dB)

The signals from the two drives are mixed together, but

reduced in level by 6dB

The factory default setting is 1+2.

Output Mix

The Output Mix menu option allows the user to set the output

mix routed to the rear panel audio outputs. Priority can be

assigned to one or other of the drives. The signal from a drive

will be the playback audio if the drive is in PLAY mode, or the

currently-selected input signal if the drive is in RECORD mode, or

if the front panel MONITOR button [18] is pressed.

Five options are available:

Option

Phones operation

Priority CD1

If both drives have an active signal, only that from Drive 1

is heard

Priority CD2

If both drives have an active signal, only that from Drive 2

is heard

1+2

The signals from both drives are mixed together

1+2 (-6dB)

The signals from the two drives are mixed together, but

reduced in level by 6dB

As Phones

The output sockets will carry the same signal as that at

the front panel headphones socket, as determined by the

PHONES SELECT button and Phones Mix menu setting

The factory default setting is As Phones.

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