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Compatibility of DVCAM and DV format
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
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
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 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
DVCAM
15 µm
12 bit: 32 kHz
16 bit: 48 kHz
1)
Lock mode
Drop frame system or
Non-drop frame system
(SMPTE time code)
Cassette's format
DVCAM
DV
DVCAM
DV
On DV video equipment
Can be played back
Some DV video equipments
may be able to play back
DV
10 µm
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
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