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HDV 1080i Specification
1
The HDV 1080i specification of the HDV format features
1,080 effective scanning lines (interlace scanning system) and
1,440 horizontal pixels. It adopts the MPEG-2 compression
format (MP@H-14 for video), which uses 8-bit digital
component recording with a sampling rate of 4:2:0. MPEG-1
Audio Layer II is used as the audio compression format,
allowing for two-channel recording with a sampling frequency
of 48 kHz/16-bit. The HDV 1080i specification provides high
picture quality that can be used for HDTV program
production.
1 The HDV format also defines the HDV 720p specification, which features 720
effective scanning lines (progressive scanning system) and 1,280 horizontal
pixels.
Compatible with Existing and
New DV Videocassette Tape
As a member of the proven DV family of formats, the HDV
format has, from the outset, been developed for compatibility
with all grades of DV videocassette tape. This allows
operators to use high-grade DV videocassette tapes for
applications where high robustness is critical, or consumer-
grade videocassette tapes for more economical operations.
For heavy-duty applications, a new high-grade mini cassette
tape has been developed; the DigitalMaster
TM
PHDVM-63DM.
This tape is compatible with the HDV, DVCAM, and DV
formats.
Long Recording Time
The HDV format adopts the same track pitch and tape speed
as the DV format, thus offering the same recording time
– a maximum of 63 minutes when recording on a
DigitalMaster mini cassette tape.
Direction of tape travel
10 μm
Sub Code sector
MPEG-2 PES sector
(Video + Audio + Search + AUX)
ITI sector
Direction
of head motion
1/4 inch
(6.35 mm)
ITI: Insert and Track Information
PES: Packetized Elementary Stream
Track Pattern of the HDV 1080i Specification
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HDV FORMAT