Sony DSC-TX7 Reference Guide

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The AVCHD format has been developed for high-definition digital video cameras when recording an HD 
(High-Definition) signal at the 1080i

*1

 or 720p

*2

 specification using high-efficiency 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, hard disk drive, flash 
memory, memory card, etc.

Based on the AVCHD format, your camera records with the high definition image quality (HD) mentioned 
below.

*

1

1080i specification 
A high definition specification which utilizes 1,080 effective scanning lines and the interlace system.

*

2

720p specification 
A high definition specification which utilizes 720 effective scanning lines and the progressive system.

*

3

Data recorded in AVCHD format other than the above mentioned cannot be played on your camera.

Video signal

*3

:  1080 60i-compatible device

MPEG-4 AVC/H.264 1920×1080/60i, 1440×1080/60i

MPEG-4 AVC/H.264 1920×1080/50i, 1440×1080/50i

Audio signal:

Dolby Digital 2ch

Recording media: Memory card