Denon 1708 - AVR AV Receiver User Manual download pdf (Page 7)

Compressed Audio Restorer: Typical compressed audio formats like

MP3, AAC, WMA, etc. delete the high frequency signal data substantially while

thinning out the data signals, which results in the loss of clarity of the sound.

The ‘Compressed Audio Restorer ’ restorers the compressed audio signal as

close as possible to the original by interpolating and generating the missing

data during compression. Added high frequency elements in the compressed

audio data place a disproportionate emphasis on the band spreading.

The ‘Compressed Audio Restorer’ ﬁ ne-tunes the data signal in all frequency

by generating harmonic overtone of low frequency. The ‘Compressed Audio

Restorer’ gives second life to the compressed audio data to make them more

comfortable and pleasant to listen to by adjusting and clarifying the details of

the music sound and improving their stereo image.

The quality of the compressed audio signal depend, of course, on the quality

of the original source, however, is determined by the compression technology

and the transfer bit rate.

The ‘Compressed Audio Restorer ’ has 4 modes (Restorer64/Restorer96/

RestorerHQ/OFF) and offers most effective performance to any compressed

audio signals.

All channel equal circuit: Denon's A/V amplifiers and receivers are

endowed with power amplifiers that deliver equal power and response

to all channels, ensuring utter ﬁ delity to a wide range of high-quality sound

sources, from 2-channel stereo to advanced DVD-Audio, Super Audio CD,

and Multi channel A/V sources such as Dolby Digital EX and DTS-ES.

This all-channel equal circuit gives you the same quality sound in any

format and in all channels.

The power sections of Denon's A/V amplifiers and receivers use large

transformers, high-capacity block capacitors, and other parts specially

selected for their high-quality sonic characteristics to give you a ro-

bust yet wonderfully detailed sound.

Pure audio construction: A/V components contain analog audio, digital

audio, video, control and many other circuits. The various circuits and

blocks in Denon’s A/V ampliﬁ ers and receivers are thus separated and

shielded to prevent mutual interference among them. High-end models

are designed with the power supply section in the centre and the power

amp section on both sides as in a Hi-Fi ampliﬁ er.

Pure direct mode: Pure direct mode allows listeners to enjoy pure

music of remarkably high quality. When Pure Direct is selected, power

to the video circuitry and the fluorescent display is turned off. During

analog sound input, power to the digital circuitry is also turned off,

and adverse influences by other circuits on the audio circuitry are

suppressed to the maximum extent possible.

Rigid vibration-resistant chassis for high-precision playback: As in

pure audio components, A/V receivers and DVD players must also be thor-

oughly protected against the adverse inﬂ uences of both internal and external

vibrations. Denon products are built with a sophisticated vibration-resistant

chassis that effectively eliminates these adverse inﬂ uences on sound quality.

Supports next generation high resolution formats: Future system

upgrade capability is provided with the Denon's A/V receivers 6/8 Channel

External Input feature. For next generation high resolution multi-channel audio

formats such as DVD-Audio and Super Audio CD, the 6/8 Channel External

Input is equipped with a wide band frequency response extending to 100 kHz.

In addition, the digital inputs support high resolution 24 bit, 96 kHz stereo PCM

soundtracks, available on selected audiophile DVD music releases.

Cinema equaliser: The sound from movie sources recorded in Dolby

Digital, DTS or other formats emphasises correction of components

that deteriorate in the high-frequency range due to the movie screen.

If this sound is reproduced in the home theatre without correction, the high-

frequency range is too harsh. The Cinema Equaliser is a function to correct

these high-frequency components so that the sound is more natural to listen

to. (For Dolby Digital, Dolby Pro Logic, and DTS surround modes)

Auto set up and room EQ: Auto set up function performs basic settings

for the speakers based on frequency response data for the speakers and

the listening room that was measured by a supplied high-performance

microphone, and a room EQ (equaliser) function that optimises frequency

response characteristics for the listening room. (Measuring method or the

algorithm used for roomEQ depends on models)

7Denon Technology

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