Additional Information; Compatibility Of Dvcam And Dv Formats - Sony DSR-250 Operating Instructions Manual

— Additional Information —

Compatibility of DVCAM and DV formats

DVCAM format is developed as a more reliable and higher end format than consumer
DV format. Here explained are the differences, compatibility, and limitations on editing
about DVCAM and DV formats.
Differences between DVCAM and DV formats
Item
Track pitch
Audio sampling
frequency
Audio recording mode
Time code
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
The recording format of picture is defined according to recorder's format as described
below.
Recorder's format Cassette's format
DVCAM
DV
This digital camcorder 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 Some equipment may be
156
DVCAM
15 m
12 bit: 32 kHz
16 bit: 48 kHz
1) Lock mode
Drop frame system or
Non-drop frame system
(SMPTE time code)
DVCAM
DV
DVCAM
DV
On DV video equipment
Can be played back
able to play back
DV
10 m
12 bit: 32 kHz
16 bit: 32 kHz, 44.1 kHz, 48 kHz
Unlock mode
Drop frame system only
Recording format
DVCAM
DVCAM
DV
DV
On DVCAM video equipment
Can be played back
(only when recorded in
SP mode)
Can be played back