Sony HDR-UX20 Operating Guide - Page 128
About the AVCHD format, Precautions and maintenance Continued - specifications
UPC - 027242727731
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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