Denon 1708 - AVR AV Receiver Manuel d'utilisateur télécharger pdf (Page 6)

DENON Link: Connected via a shielded twisted pair (STP) RJ-45 ﬁ tted

cable to a DENON Link-compliant A/V amplifier, the balanced signal

transfer offers lower voltage than coaxial or unbalanced cables. Since

DENON Link is far less susceptible to radiated noise, it ensures the

highest level of signal transfer. The DENON Link interface is able to

transfer high-grade LPCM 24-bit, 192-kHz, 2-channel and 96-kHz, 24-bit,

multi-channel digital output.

Advanced AL24 Processing: Denon led the world in developing a practi-

cal PCM recorder in 1972. The shift to digital technology solved numerous

problems such as noise, wow, flutter, and frequency response. The delicate

nuances of sound from CD up to the least signiﬁ cant bit (LSB) are lost, however,

due to the 16-bit quantisation and band cutting at fs/2 (half the sampling frequency)

during 44.1-kHz sampling. Denon was determined to tackle the problem of

quantisation noise that remained in digital audio, and developed ALPHA (adaptive

line pattern harmonised algorithm), a technology that reproduced 16-bit data with

20-bit quality and became a favourite with audiophiles around the world.

This development later progressed to 24-bit quality with the evolution of

"AL24 Processing," and as support for higher resolutions and sampling

continued to improve, Denon developed "AL24 Processing Plus" for the 192-kHz

sampling of DVD-Audio.

Denon's most recent achievement is "Advanced AL24 Processing," a propri-

etary high-speed signal processing technology that expands the volume of

data along the time axis in addition to the data expansion of existing AL24

Processing Plus technology.

AL24 Processing Plus: Denon has further developed its proprietary

AL24 Processing, an analog waveform reproduction technology, to support

the 192-kHz sampling frequency of DVD-Audio. This new technology,

called AL24 Processing Plus, thoroughly suppresses quantisation noise

associated with D/A conversion of LPCM signals to reproduce the low-level

signals with optimum clarity that brings out all the delicate nuances of the music.

In high-end models, AL24 Processing Plus works for all channels.

LAMBDA SLC: The LAMBDA Super Linear Converter (SLC) design includes

a LSI, developed by Denon, that divides the digital data into two streams to

eliminate zero-cross distortion in a powerful DAC conﬁ guration. In the two

data streams, there is no reversal of the MSB (Most Signiﬁ cant Bit), and the

combined waveform also shows no zero-cross distortion. Even if there is

distortion in the original information for a certain bit, the two signals are

averaged, reducing the distortion by one half. On the other hand, if the signal

level is larger than the amount of shift, the waveform will pass through the

usual, unbiased zero-cross point and any distortions in the signal will then

be reliably eliminated by the MSB compensation feature of the SLC.

DDSC-Digital HD for high-quality sound reproduction for high deﬁ -

nition source: DDSC (Dynamic Discrete Surround Circuit)-Digital is a circuit

conﬁ guration specially designed by Denon in which all elements of the

surround processor are optimised through the use of selected

hi gh -performance discrete components, including separate A/D and D/A

converters, with sophisticated DSP surround decoding. DDSC-Digital HD is

a newly developed engineering design now for HD source.

6 Denon Technology

Denon Technology

Audio/Video Technology

Output data

Signal analysis

& detection

control unit

Input data

Time

Sample group import

Output

Memory

Algorithm A Algorithm B Algorithm C

ithmetic unit

Arithmetic unit

ithmetic unit

Output unit

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Denon 1708 - AVR AV Receiver Manuel d'utilisateur Page 6

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