Sony HDR-UX20 Operating Guide - Page 128

About the AVCHD format, Precautions and maintenance Continued - specifications

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Precautions and maintenance (Continued) Care and storage of the discs • Keep the disc clean, or the image quality of the audio and video output may deteriorate. • Clean the disc with a soft cloth. Wipe the disc from the center out. For dirt, clean the disc with a soft cloth slightly moistened in water, then remove the moisture with a soft, dry cloth. Do not use solvents such as benzine, cleaners intended for vinyl LPs or antistatic spray, as they may cause a malfunction to the disc. • Do not expose the disc to direct sunlight or leave it in a humid place. • When you carry or store the disc, put it in its case. • When you want to write letters or marks, etc. on a single-sided disc, write only on the printed side using an oil-based marker with a felt-tip, and do not touch the ink until it dries. Do not heat the disc or use a sharp-pointed tool, such as ball point pen. Do not dry the surface by heating. You cannot write, or mark, on double-sided discs. About the AVCHD format What is the AVCHD format? The AVCHD format is a high definition digital video camera format used to record an HD (high definition) signal of either the 1080i specification*1 or the 720p specification*2, using efficient data compression coding technology. The MPEG-4 AVC/H.264 format is adopted to compress video data, and the Dolby Digital or Linear PCM system is used to compress audio data. The MPEG-4 AVC/H.264 format is capable of compressing images at higher efficiency than that of the conventional image compressing format. The MPEG-4 AVC/ H.264 format enables a high definition video signal shot on a digital video camera recorder to be recorded on 8 cm DVD discs, etc. Recording and playback on your camcorder Based on the AVCHD format, your camcorder records with the HD (high definition) image quality mentioned below. Video signal: MPEG-4 AVC/H.264 1920 × 1080/60i, 1440 × 1080/60i Audio signal: Dolby Digital 5.1ch, 2ch Recording media: Internal memory (HDR-UX20), 8 cm DVD-RW, DVD+RW, DVD-R, DVD+R DL discs, "Memory Stick PRO Duo" • The media recorded in AVCHD format other than the above mentioned cannot be played on your camcorder. 8 cm DVD-RAM discs cannot be recorded or played on your camcorder. In addition to HD (high definition) image quality, your camcorder is capable of recording an SD (standard definition) signal on 8 cm DVD discs, etc. *1: 1080i specification A high definition specification which utilizes 1080 effective scanning lines and the interlace system. *2: 720p specification A high definition specification which utilizes 720 effective scanning lines and the progressive system. 128

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128
Precautions and maintenance (Continued)
Care and storage of the discs
• Keep the disc clean, or the image quality
of the audio and video output may
deteriorate.
• Clean the disc with a soft cloth. Wipe the
disc from the center out. For dirt, clean the
disc with a soft cloth slightly moistened in
water, then remove the moisture with a
soft, dry cloth. Do not use solvents such as
benzine, cleaners intended for vinyl LPs
or antistatic spray, as they may cause a
malfunction to the disc.
• Do not expose the disc to direct sunlight
or leave it in a humid place.
• When you carry or store the disc, put it in
its case.
• When you want to write letters or marks,
etc. on a single-sided disc, write only on
the printed side using an oil-based marker
with a felt-tip, and do not touch the ink
until it dries. Do not heat the disc or use a
sharp-pointed tool, such as ball point pen.
Do not dry the surface by heating. You
cannot write, or mark, on double-sided
discs.
What is the AVCHD format?
The AVCHD format is a high definition
digital video camera format used to record
an HD (high definition) signal of either the
1080i specification
*1
or the 720p
specification
*2
, using efficient data
compression coding technology. The
MPEG-4 AVC/H.264 format is adopted to
compress video data, and the Dolby Digital
or Linear PCM system is used to compress
audio data.
The MPEG-4 AVC/H.264 format is capable
of compressing images at higher efficiency
than that of the conventional image
compressing format. The MPEG-4 AVC/
H.264 format enables a high definition
video signal shot on a digital video camera
recorder to be recorded on 8 cm DVD discs,
etc.
Recording and playback on your
camcorder
Based on the AVCHD format, your
camcorder records with the HD (high
definition) image quality mentioned below.
Video signal:
MPEG-4 AVC/H.264 1920 × 1080/60i,
1440 × 1080/60i
Audio signal:
Dolby Digital 5.1ch, 2ch
Recording media:
Internal memory (HDR-UX20), 8 cm
DVD-RW, DVD+RW, DVD-R, DVD+R
DL discs, “Memory Stick PRO Duo”
•
The media recorded in AVCHD format other
than the above mentioned cannot be played on
your camcorder. 8 cm DVD-RAM discs cannot
be recorded or played on your camcorder.
In addition to HD (high definition) image
quality, your camcorder is capable of
recording an SD (standard definition) signal
on 8 cm DVD discs, etc.
*1
: 1080i specification
A high definition specification which utilizes
1080 effective scanning lines and the interlace
system.
*2
: 720p specification
A high definition specification which utilizes
720 effective scanning lines and the
progressive system.
About the AVCHD format