Sony DSR PD170 Operating Instructions - Page 140

Additional Information, Compatibility of DVCAM and DV formats

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- 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 1) Time code DVCAM DV 15 µm 10 µm 12 bit: 32 kHz 16 bit: 48 kHz 12 bit: 32 kHz 16 bit: 32 kHz, 44.1 kHz, 48 kHz Lock mode Unlock mode 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. Mini DVCAM and mini DV cassettes Both mini DVCAM and mini DV cassettes can be used on mini DVCAM or mini 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 mini DV cassettes can be used for recording, we recommend you to use mini DVCAM cassettes to get the most out of high reliability of DVCAM format. The recording time of mini DV cassettes is 2/3 shorter than that indicated on the mini DV cassettes. Compatibility on playback Some tapes cannot be played back on mini DVCAM or mini 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 equipment may be able to play back Can be played back 140

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140
— 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
DVCAM
DV
Track pitch
15
µ
m
10
µ
m
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.
Mini DVCAM and mini DV cassettes
Both mini DVCAM and mini DV cassettes can be used on mini DVCAM or mini 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 mini DV cassettes can
be used for recording, we recommend you to use mini DVCAM cassettes to get the
most out of high reliability of DVCAM format. The recording time of mini DV cassettes
is 2/3 shorter than that indicated on the mini DV cassettes.
Compatibility on playback
Some tapes cannot be played back on mini DVCAM or mini 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 equipment may be
Can be played back
able to play back