Denon AVR 4806 Owners Manual - Page 143

About IEEE1394, About HDMI, AL24 Plus AL24 Processing Plus, Copyright protection system - 7 1 audio video reference receiver

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About IEEE1394 About HDMI Additional Information IEEE1394 is an international standard established by the Institute of Electrical and Electronics Engineers (IEEE) of the United States. The AVR-4806 can be connected to an IEEE1394 compatible device using an IEEE1394 cable to enable digital transfer of multi-channel audio sources (DVD Audio discs, Super Audio CDs, etc.) with a single cable. • The AVR-4806's transfer format is compatible with A&M protocol. In addition to A&M protocol, IEEE1394 transfer formats also include MPEG-TS, DV, etc. • The AVR-4806 is compatible with a data transfer speed of up to S400. The IEEE1394 maximum data transfer speeds are defined as approximately 100, 200 or 400 Mbps, expressed respectively as S100, S200 and S400. When S100 or S200 devices are connected, the actually transfer rate may be slower than 400 Mbps, depending on the device's specifications. As far as possible, interconnect devices with the same maximum data transfer rate. • The AVR-4806 is compatible with the DTCP (Digital Transmission Content Protection) system. 2 Copyright protection system In order to play the sound of DVD Audio discs, Super Audio CDs or DVDs (aside from freely copiable discs) using IEEE1394 connections, both the player and receiver must be compatible with the DTCP (Digital Transmission Content Protection) system. DTCP is a copy protection technology that involves data encryption and authentication of the other device. Refer to your player's operating instructions. The AVR-4806's IEEE1394 device interface is designed based on the standards below. 1) IEEE Std. 1394a-2000, Standard for High Performance Serial Bus 2) Audio and Music Data Transmission Protocol 2.0 It is compatible with IEC60958 bit stream, DVD-Audio and Super Audio CD within AM824 sequence adaptation layers within these standards. "HDMI" is the abbreviation of "High Definition Multimedia Interface". This is a digital interface standard for next generation TVs developed based on the DVI (Digital Visual Interface) used for computer displays, etc., and optimized for use in nonprofessional equipment. With it, non-compressed digital video and multi-channel audio signals can be transferred with a single connector, eliminating the need to use separate cables for the picture and sound and making it possible to make connectors smaller. HDMI is also compatible with HDCP (High-bandwidth Digital Contents Protection), a technology for protecting copyrights that encrypts digital video signals in the same was as with DVI. • HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC. AL24 Plus (AL24 Processing Plus) 2 AL24 Processing for All Channels DENON has further developed its proprietary AL24 Processing, an analog waveform reproduction technology, to support the 192-kHz sampling frequency of DVD-Audio. AL24 Processing Plus, thoroughly suppresses quantization noise associated with D/A conversion of LPCM signals to reproduce the low-level signals with optimum clarity that will bring out all the delicate nuances of the music. Equipped foe not only front left and right channels but also for the surround left and right, center and subwoofer channels. 143

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Additional Information
About IEEE1394
IEEE1394 is an international standard established by the
Institute of Electrical and Electronics Engineers (IEEE) of the
United States.
The AVR-4806 can be connected to an IEEE1394 compatible
device using an IEEE1394 cable to enable digital transfer of
multi-channel audio sources (DVD Audio discs, Super Audio
CDs, etc.) with a single cable.
• The AVR-4806’s transfer format is compatible with A&M
protocol.
In addition to A&M protocol, IEEE1394 transfer formats also
include MPEG-TS, DV, etc.
•
The AVR-4806 is compatible with a data transfer speed of up
to S400.
The IEEE1394 maximum data transfer speeds are defined
as approximately 100, 200 or 400 Mbps, expressed
respectively as S100, S200 and S400. When S100 or S200
devices are connected, the actually transfer rate may be
slower than 400 Mbps, depending on the device’s
specifications. As far as possible, interconnect devices with
the same maximum data transfer rate.
• The AVR-4806 is compatible with the DTCP (Digital
Transmission Content Protection) system.
2
Copyright protection system
In order to play the sound of DVD Audio discs, Super Audio
CDs or DVDs (aside from freely copiable discs) using
IEEE1394 connections, both the player and receiver must
be compatible with the DTCP (Digital Transmission
Content Protection) system.
DTCP is a copy protection technology that involves data
encryption and authentication of the other device. Refer to
your player’s operating instructions.
The AVR-4806’s IEEE1394 device interface is designed
based on the standards below.
1)
IEEE Std. 1394a-2000, Standard for High Performance
Serial Bus
2)
Audio and Music Data Transmission Protocol 2.0
It is compatible with IEC60958 bit stream, DVD-Audio and
Super Audio CD within AM824 sequence adaptation layers
within these standards.
About HDMI
“HDMI” is the abbreviation of “High Definition Multimedia
Interface”.
This is a digital interface standard for next generation TVs
developed based on the DVI (Digital Visual Interface) used for
computer displays, etc., and optimized for use in non-
professional equipment. With it, non-compressed digital video
and multi-channel audio signals can be transferred with a
single connector, eliminating the need to use separate cables
for the picture and sound and making it possible to make
connectors smaller. HDMI is also compatible with HDCP
(High-bandwidth Digital Contents Protection), a technology for
protecting copyrights that encrypts digital video signals in the
same was as with DVI.
• HDMI, the HDMI logo and High-Definition Multimedia
Interface are trademarks or registered trademarks of HDMI
Licensing LLC.
AL24 Plus (AL24 Processing Plus)
2
AL24 Processing for All Channels
DENON has further developed its proprietary AL24
Processing, an analog waveform reproduction technology,
to support the 192-kHz sampling frequency of DVD-Audio.
AL24 Processing Plus, thoroughly suppresses quantization
noise associated with D/A conversion of LPCM signals to
reproduce the low-level signals with optimum clarity that
will bring out all the delicate nuances of the music.
Equipped foe not only front left and right channels but also
for the surround left and right, center and subwoofer
channels.