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Additional information
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 formats
Item DVCAM DV
Track pitch 15 µm 10 µm
Audio sampling 12 bit: 32 kHz 12 bit: 32 kHz
frequency 16 bit: 48 kHz 16 bit: 32 kHz, 44.1 kHz, 48 kHz
Audio recording mode
1)
Lock mode Unlock mode
Time code Drop frame system or Drop frame system only
Non-drop frame system
(SMPTE 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 Cassette’s format Recording format
DVCAM DVCAM DVCAM
DV DVCAM
DV DVCAM DV
DV 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 On DV video equipment On DVCAM video equipment
DV-formatted Can be played back Can be played back
(only when recorded in SP mode)
DVCAM-formatted Some equipments may be Can be played back
able to play back
Compatibility of DVCAM and DV formats