Using the DSP Modes
The
What are the DSP Modes?
Surround modes
With this receiver, you can use three types of the Surround mode.
Following modes cannot be used when only the front speakers are connected to this receiver (without the rear speakers or center speaker).
Dolby Surround (Dolby Digital and Dolby Pro Logic)*
Used to watch the soundtracks of software encoded with Dolby
Digital (bearing the mark 
) or with Dolby Surround
(bearing the mark 
).
Dolby Surround encoding format records the left front channel, right front channel, center channel, and rear channel (total 4 channels) signals into 2 channels. The Dolby Pro Logic decoder built in this receiver decodes these 2 channel signals into original 4 channel signals —
On the other hand, Dolby Digital encoding method (so called discrete 5.1 channel digital audio format) records and compresses the left front channel, right front channel, center channel, left rear channel, right rear channel, and LFE channel (total 6 channels, but LFE channel is counted as 0.1 channel, therefore called 5.1 channels) signals digitally. Each channel is completely independent from other channel signals to avoid interference, therefore, you can obtain much better sound quality with much stereo and surround effects.
The Dolby Digital decoder built in this receiver can create much more realistic sound field in your listening room. You may feel as if you were in a real theater.
In addition, Dolby Digital enables stereo rear sounds, and sets the cutoff frequency of the rear treble at 20 kHz, compared to 7 kHz for Dolby Pro Logic. These facts enhance the sound movement and
•To enjoy the software encoded with Dolby Digital, you must connect the source component using the digital terminal on the rear of this receiver. (See page 7.)
DTS Digital Surround**
DTS Digital Surround is another discrete 5.1 channel digital audio format available on CD, LD, and DVD software.
Compared to Dolby Digital, audio compression rate is relatively low. This fact allows DTS Digital Surround format to add breadth and depth to the reproduced sounds. As a result, DTS Digital Surround features natural, solid and clear sound.
•To enjoy the software encoded with DTS Digital Surround, you must connect the source component using the digital terminal on the rear of this receiver. (See page 7.)
JVC Theater Surround
In order to reproduce a more realistic sound field in your listening room while playing soundtracks of software encoded with Dolby
Surround (bearing the mark 
), you can use JVC Theater Surround.
Notes:
•The DSP modes have no effect on monaural sources.
•The PRO LOGIC indicator lights up when the Dolby Pro Logic decoder built in this receiver is activated.
*Manufactured under license from Dolby Laboratories. “Dolby,” “Pro Logic,” and the
**Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other
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