Using advanced digital processing algorithms, Dolby
provides up to 5.1 channels of wide-range, high fidelity
Digital is the default digital audio delivery
DVD and North American DTV.
Pro Logic IIx compatibility
Pro Logic IIx furthers the matrix decording technology of
Pro Logic II to decode audio signals recorded on two
channels into up to 6.1 playback channels, including the
The mode can be selected according to the source. The Music
mode is best suited for playing music,the Cinema mode for
playing movies, and the Game mode for playing games. The
Game mode can only be used with 2-channel audio sources.
Pro Logic II Game mode compatibility
In addition to the previously offered Music and Cinema modes,
/685 also offers a Game mode optimum for games.
4. DTS (Digital Theater Systems)
DTS provides up to 5.1 channels of wide-range, high fidelity
surround sound, from sources such as laser disc, DVD and
specially-encoded music discs.
5. DTS-ES Extended Surround and DTS Neo:6
/685 can be decoded with DTS-ES Extended
Surround, a multi-channel format developed by Digital Theater
/685 can be also decoded with DTS Neo:6, a
surround mode allowing 6.1 channels playback of regular stereo
6. DTS 96/24 compatibility
/685 can be decoded with sources recorded in DTS
96/24, a multi-channel digital signal format developed by
Theater Systems Inc.
DTS 96/24 sources can be played in the multi-channel mode on
/685 with high sound quality of 96 kHz/24 bits or
88.2 kHz/24 bits.
7. Video Conversion Function
/685 is equipped with a function for up-converting
Because of this, the AVR-1705
/685’s MONITOR OUT jack can be
connected to the monitor (TV) with a set of cables offering a
higher quality connection, regardless of how the player and the
AVR-1705/685’s video input jacks are connected.
8. Component Video Switching
In addition to composite video and “S” video switching, the AVR-
1705/685 provides 3 sets of component video (Y, PB/CB, PR/CR)
inputs, and one set of component video outputs to the
for superior picture quality.
9. Auto Surround Mode
This function stores the surround mode last used for an input
signal in the memory and automatically sets that surround mode
the next time that signal is input.
10.Front input terminal
The unit is equipped with a Front Input connector for the
convenient connection of a Video camera
or other equipment.
11.6CH EXT. IN jacks
This unit is equipped with 6CH EXT. IN jacks for use with audio
formats of the future.
12.Personal Memory Plus function
Persinal Memory Plus is an advanced version of Personal
Memory. With Personal Memory Plus, the set automatically
memorizes the surround mode, channel volume, surround
parameters, etc., for each of the separate input sources.
13.Preset Memory Tuning
56-Station AM/FM Random Preset Memory tuning.