Sony DSR-30 - Manuel (Page 58)

Additional Information 58 EN
Compatibility of
DVCAM and DV
format
Recording format
DVCAM
DVCAM
DV
DV
Cassette’s format
DVCAM
DV
DVCAM
DV
DVCAM
15
µ
m
12bit: 32 kHz
16bit: 48 kHz
Lock mode
Drop frame system or
Non-drop frame system
DV
10
µ
m
12bit: 32 kHz, 44.1 kHz, 48 kHz
16bit: 48 kHz
Unlock mode
Drop frame system only
On DV video equipment
Can be played back
Some DV video equipment may be able to play
back a DVCAM-formatted tape.
On DVCAM video equipment
Can be played back
(only when recorded in SP mode)
Can be played back
DVCAM format is developed as a more reliable and higher end format than consumer DV format. Here are
explained about DVCAM and DV formats: the differences, compatibility, and limitations on editing.
Differences between DVCAM and DV format
Item
Track pitch
Audio sampling
frequency
Audio recording
mode
1)
Time mode
1) There are two modes for audio recording, Lock mode and Unlock mode. In Lock mode, the sampling frequencies of audio and video are
synchronized. In Unlock mode, which consumer DV format adopts, the two sampling frequencies are independent. Therefore, lock
mode is more effective than unlock mode in digital processing and smooth transition during audio editing.
DVCAM and DV cassettes
Both DVCAM and DV cassettes can be used on DVCAM or DV video equipment. The recording format of picture is
defined according to recorder’s format as described below.
Recorder’s format
DVCAM
DV
This digital video cassette recorder complies with DVCAM format. Though DV cassettes can be used for recording,
we recommend you to use DVCAM cassettes to get the most out of high reliability of DVCAM format.
The recording time of DV cassettes is 2/3 shorter than that indicated on the DV cassettes.
Compatibility on playback
Some tapes cannot be played back on DVCAM or DV video equipment.
Tape
DV-formatted
DVCAM-formatted