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10
Machine Head
OUTPUT GAIN varies the output level of the digital data stream.
It is variable between -12dB and +12dB in 0.1dB steps.
The adjusted OUTPUT GAIN value is shown in the LC-display
(see 7) and in the O
UTPUT PPM meter (see 8).
In practice you will start with the
OUTPUT GAIN set to 0dB. In
case you have used high D
RIVE values you will use the OUTPUT
GAIN to compensate for the slight level increase.
You can also use the O
UTPUT GAIN control to compensate for
the loudness difference between unprocessed and processed
signal to judge upon the sonic effect alone. After you have
reduced the O
UTPUT GAIN until original and processed signal
have the same loudness you can readout the loudness increase
on the O
UTPUT PPM meters compared to the INPUT PPM meters.
Also, if you have chosen a positve setting on the HF-A
DJUST
control, it may be necessary to reduce the OUTPUT GAIN slightly
in order to prevent clipping. Watch the C
LIP-LEDS!
You will set a positive O
UTPUT GAIN, when there is still
headroom left after processing. Always check this on the
loudest part of the audio file being processed and watch the
C
LIP-LEDs.
With the H
IGH TAPE SPEED switch you can change the speed of
the vitual tape from standard tape speed (15ips) to high tape
speed (30ips).
When H
IGH TAPE SPEED is activated the algorithm simulates
the pre-emphasis for high speed recording. The upper mid and
high frequencies as well as the harmonical content gain better
resolution and finer detail.
Note that the 40Hz to 70Hz bass-reduction induced when
recording to analog tape at 30ips is not reproduced!
The LC-display shows all encoder settings and the number of
the preset being used in the last session with the M
ACHINE HEAD
(for details on PRESETS refer to 9).
More information is displayed when activating the I
NFO pages
(see 10). Press S
TORE and APPLY for 1 sec. to enter the INFO
pages.
The I
NPUT and OUTPUT LED chains are PPM (peak level) meters
with signal and clip indicators. The metering offers 1dB resol-
tion for the last 3dB before 0dB.
The I
NPUT PPM meters show the peak level after the INPUT
GAIN control (see 2).
Control Elements
Compensating a level
and/or loudness increase
due to processing
Gaining a finer high
frequency resolution when
selecting H
IGH TAPE SPEED.
Output Gain
5
High Tape Speed
LC-display
6
LED chains
7
8