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Operation
20
US
DECODE MODE indicators
The processor automatically identifies the format of the input audio signal and the
corresponding indicator lights up. Switch the audio between Dolby Digital, DTS, MPEG-2
AAC, etc., on the connected equipment (DVD device, digital satellite/TV receiver, etc.).
• DOLBY DIGITAL: Input signal recorded in the DOLBY DIGITAL format.
• DOLBY PRO LOGIC II: Analog input signal, digital input PCM signal, or Dolby Digital
2-channel signal processed by DOLBY PRO LOGIC II.
(If the sound field is set to ”OFF,” it is not processed by DOLBY PRO LOGIC II.)
• DTS: Input signal recorded in the DTS format.
• MPEG-2 AAC: Input signal recorded in the MPEG-2 AAC format.
Note
If the equipment connected to the DIGITAL IN jack is not playing back (fast forwarding,
rewinding, etc.), the DECODE MODE indicators may not light up correctly.
COMPRESSION Switch
Position of switch Playback Effect
OFF When the EFFECT switch is selected, the sound mode changes to the
selected effect.
ON This function maintains the overall level of program material:
explosive sounds are attenuated while lower level sounds (dialog,
etc.) are enhanced.
N
O
F
F
O
N
O
I
S
S
E
R
P
M
O
C
dynamic range
dynamic range
whisper, background noise
whisper, background noise
explosion
explosion
standard
dialogue
dialogue
input signal
compression
output signal
Illustration of the compression process
Dynamic range compression
by built-in DSP processor
Startling
level
Easy to hear
level
Difficult to
hear level