8
User's Guide
ADI-96 PRO © RME
7.2 Output
Function
Configuration of the signal at the digital output: Sample frequency, word length, Dither, word
clock and Channel Status.
Application
Allows to set the parameters of the digitization, and allows to make the
ADI-96 PRO
fully
compatible to all devices attached to its digital output.
Settings
Place the cursor in the Overview window on
OUT
and press Enter.
Menu
Options
Adjustable are:
•
Sample rate 32 kHz, 44.1 kHz, 48 kHz, word clock < 64 kHz, 64 kHz, 88.2 kHz, 96 kHz,
word clock > 48 kHz
•
Audio word length 8 bit, 16 bit, 20 bit, 24 bit
•
Dither OFF, 0.5 LSB, 1.0 LSB
•
Word clock output OFF/ON
•
Channel Status Professional, Consumer with copyright, Consumer without copyright
Typical Settings
In case the
ADI-96 PRO
shall be clocked from an external 44.1 kHz or 48 kHz word clock
signal choose the setting
Word Clock < 64 kHz
.
Consumer devices like DAT and MiniDisc won't accept digital signals in Professional format at
their SPDIF jacks. For this setup please choose
Consumer without Copyright
.
The choice of the word length determines the maximum resolution of the audio data at the
ADI-96 PRO
's output. At less than 24, for example when transferring on a 16 bit DAT, we
recommend to choose
Audio Wordlength 16 Bit,
and also to activate the
Dither
function, to
avoid distortions on very low level signals.
What Dither does can be easily shown at the setting
Audio Wordlength 8 Bit
, which results in a
dynamic of only 48 dB at the output. Low level signals will suffer from high distortion. After
activation of
Dither 1.0 LSB
a special noise signal is added which removes any audible distor-
tion.
When activating
Word Clock Output ON
the device will provide a word clock signal of the cur-
rent internal sample rate, available at the BNC jack on the rear of the device.
