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Switchable Recording
-HDV 1080i/DVCAM/DV and 60i/50i
The HVR-1500 can be switched between HDV 1080i*
1
, DVCAM,
and DV (SP) *
3
recording modes, providing full flexibility to record
in either standard definition or high definition depending on your
production needs. In addition, it can be switched between 60i and
50i systems, eliminating the need for two separate VTRs, one for
each standard.
Playback Compatibility with DV (25 Mb/s)
Family Formats
For operational versatility, the
HVR-1500 is designed to play
back DV (25 Mb/s) family format
recorded tapes without a
mechanical adaptor and without
having to switch playback modes
on the menu. DVCPRO
TM
25
recorded tapes (M-size cassettes)
can also be played back.
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
276 minutes when recording on a PHDV-276DM DigitalMaster
standard cassette tape and 63 minutes when recording on a
PHDVM-63DM DigitalMaster mini cassette tape. The DVCAM
format adopts a wider track pitch than the HDV/DV format (15 µm
compared to 10 µm), and offers a maximum recording time of 184
minutes on a PDV-184N standard cassette tape and 40 minutes on
a PDVM-40N mini cassette tape.
Up-conversion Capability
With the optional HVBK-1520 Format Converter Board installed,
the HVR-1500 has an up-conversion capability that allows DV
recordings and SD signals*
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fed to the HVR-1500 to be converted
to 1080i or 720P signals and then output*
5
from the HD-SDI
interface. This allows DV recordings to be integrated into existing
HD editing systems that support the 1080i or 720P format.
When up-converting the DV recording, the aspect ratio displayed
can be converted from 4:3 to 16:9. Display modes can be
selected from Squeeze, Edge Crop, or Letterbox.
Cross-conversion Capability
With the optional HVBK-1520 Format Converter Board installed,
the HVR-1500 has a cross-conversion capability that allows 1080i
recordings to be converted to 720P signals, as well as 720/30P
(29.97 frames/s) recordings to be converted to 1080/60i (59.94
fields/s) signals. These signals are output*
6
from the HD-SDI
interface. This allows source footage and assets in different HDV
formats to be integrated into the same HD editing system.
Down-conversion Capability
The HVR-1500 has a built-in down-conversion capability that allows 1080i
recordings to be output as 480i and 576i signals from the i.LINK and
SD-SDI interfaces. These signals can also be output from the analog
component, composite, or S-Video connectors. This allows 1080i
recordings to be edited using nonlinear editing systems running DV editing
software or to be viewed on an SD monitor. When down-converting the
1080i recording, the aspect ratio displayed can be converted from 16:9 to
4:3. Display modes can be selected from Squeeze or Edge crop.
HDV 1080i Specification
The HDV 1080i specification*
2
for 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 the high
picture quality
required for HDTV
program
production.
Track Pattern of the
HDV 1080i
Specification
Compatible with Existing and New
DV Videocassette Tapes
As a member of the proven DV family of formats, the HDV format
was developed from the outset to be compatible 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, the DigitalMaster
TM
high-grade cassette
tape has been
developed. This tape is
compatible with the
HDV, DVCAM, and DV
formats.
*
2
The HDV format also defines the HDV 720p specification, which features 720 effective
scanning lines (progressive scanning system) and 1,280 horizontal pixels.
*
3
The HVR-1500 supports DV (SP) mode only; DV (LP) mode is not available. Assemble or
insert editing is not supported in DV (SP) mode.
*
1
In HDV mode, editing capabilities are not available.
*
5
There may be a delay of one frame in outputting up-converted signals from the HD-SDI interface.
*
4
DV signals fed to the HVR-1500’s i.LINK interface cannot be up-converted and output
from the HD-SDI interface.
*
6
There may be a delay of one frame in outputting cross-converted signals from the HD-SDI interface.
HDV FORMAT
VERSATILE RECORDING & PLAYBACK