Specifications

Master clock design
Various techniques have been adopted to boost the precision of the master
clock and ensure meticulous accuracy in D/A conversion. These include stabiliz-
ing the power supply and ground potential, and minimizing the length of wires.
In addition, by regenerating the master clock with a high-accuracy phase-locked
loop (PLL) near the D/A converter, residual jitter is minimized, enabling playback
of high-quality sound with clear sound images and contours.
Denon Link 3rd
Denon LINK is a jitterless digital interface that uses high-speed transmission
devices for balanced transmission to achieve high-speed, high-grade real-time
digital transmission with negligible signal degradation. When connected to a DVD
player, Denon LINK enables direct digital input of PCM 24-bit/192-kHz digital
signals and other high-speed, high-sound-quality multi-channel signals from such
sources as DVD-Audio and Super Audio CD.
To preserve original sound quality for the room’s acoustics at any volume
level, Audyssey Dynamic EQ loudness correction technology
Dynamic EQ corrects frequency responses at any volume level while consid-
ering such aspects as the measured characteristics of the room, volume of the
source, and the characteristics of human ears. Even when the volume is turned
down, it is possible not to sense weakness in sound or insufficient dynamism.
Refined calibration technology to improve an acoustical condition of
any room.
New tower type microphone is used to measure the characteristics of the
speakers and the listening room. The data is analysed by a high-performance DSP,
and the Auto Set-up function automatically makes initial settings for the speakers.
The newly improved MultEQ XT technology then processes acoustic data obtained
from up to 8 listening positions, and the Room EQ (Equalizer) function corrects the
frequency response to achieve the optimum listening environment for the room.
-New filtering ALFC (Adaptive Low Frequency Correction) for higher resolution
processing in the low frequency band
The following 6 basic settings are automatically made for the speakers:
1. Speaker connection 2. Speaker size 3. Speaker level
4. Speaker distance 5. Speaker phase 6. Cross-over frequency
Room EQ
By measuring multiple listening positions, up to a maximum of 8, frequency
response for the overall listening area is automatically corrected. During Auto Set-
up, minute corrections are made in each speaker by an FIR filter which in theory
has no phase variation. There are three correction patterns: Audyssey, Audyssey
Byp. L/R, and Audyssey Flat. Manual setting is also possible using a 9-band graphic
equalizer. During manual setting, it is possible to make settings while listening to
your favourite music. Since 4 correction patterns including manual setting can be
assigned to each surround mode, corrections for the overall listening area can easily
be set for each source.
Audyssey: Corrects the frequency responses of all speakers to optimum levels.
Audyssey Byp. L/R:
Corrects the frequency responses of all speakers except the front L/R speakers.
Audyssey Flat: Corrects frequency responses so that they are all uniform.
Manual: Manually adjusted frequency responses are applied.
Off: Room EQ is not used.
Denon’s High Picture Quality Circuitry, to enhance enjoyment of
existing DVDs
This circuitry employs an I/P (Interlaced/Progressive) converter - also vital for
audio circuitry - and a Realta sxT2 scaler that converts the SD video images of DVD
to high-definition 1080p images. High conversion performance is made possible by
10-bit processing, and motion detection is dramatically improved as well. Regularity
at the pixel level not only for the 3:2 pattern of film sources but also for other pat-
terns is accurately detected at high speed for highly precise I/P conversion. Even
when a source contains both Video mode and Film mode material, each mode is
accurately detected and processed at high speed, enabling high-quality Progressive
playback of a variety of DVD discs. The Realta sxT2 also functions as a high-
performance scaler that makes 1080p HDMI output possible. 10-bit processing
enables high-precision scaling, and the most appropriate conversion for the output
resolution is performed even when video signals recorded on a DVD using colour
difference signals are output in RGB format. As a component dedicated to play-
back, the sole job of the AVP-A1HDA is to ensure that A/V enthusiasts can enjoy a
rich variety of DVDs in superior picture quality.
Digital Noise Reduction, to optimise effects for both SD and HD content
This DNR technology optimises the effects of high-definition Blu-ray video as
well as standard DVD discs.
Denon Pixel Image Correction, for more natural correction of curved lines
The AVP-A1HDA is endowed with Denon Pixel Image Correction enhancer
technology to perform high-definition video image correction. 10-bit processing is
used to detect and correct curved lines with greater precision. The new enhance-
ment processing algorithm considers the effects of peripheral pixels in addition to
the target pixels, sampling and analysing video data of a total of 9 pixels. Pixels in
horizontal, vertical, and diagonal directions are detected and processed in detail.
Brightness and Colour signals are also processed by the same algorithm which
then suppresses ringing noise that easily occurs during enhancement and per-
forms other processes to effectively produce a vivid, natural picture.
Detailed picture quality adjustability
Besides the Denon Pixel Image Correction functions, picture quality can
be adjusted over a wide range of elements including not only Contrast and
Sharpness but also White level, Chroma level, Noise Reduction settings, and
Gamma.
HDMI (ver. 1.3a supporting Deep Colour (30/36-bit), “x.v.Color”,
High-Bit-Rate Audio input)
The HDMI input/output ports permit digital transmission of video and audio sig-
nals over a single HDMI cable. Since the latest version of this interface is provided,
the AVP-A1HDA supports a variety of specifications, such as Deep Colour (30/36-
bit), “x.v.Color”, Lip Sync, High-Bit-Rate Audio, and HDMI Control.
Y P
B
/C
B
P
R
/C
R
Component(RCA)
HDMI
MonitorVideo Input
S-Video
Composite
Y P
B
/C
B
P
R
/C
R
Component(RCA)
HDMI
S-Video
Composite
*Down-conversion from component video to composite or S-video
occurs only with 480i and 576i signals.
Video
Decoder
Video
Encoder
HDMI
RCVR
I/P
Scaler
HDMI
XMTR
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