Images are captured by three 1/3-inch CCDs that have been improved to reduce smear and noise in low-light situations.
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The HPX170 is a full HD camera that provides 4:2:2 sampling, low intra-frame compression, and a data rate of 100 Mbps. However, if acquiring in the 720/24pN mode, recording time is extended to 320 minutes. This translates to 128 minutes of HD video. The camera has two card slots, allowing a maximum storage capacity of 128 GB. The largest card currently available is 64 GB. Solid-state P2 memory cards are the recording media for the HPX170. But as the migration to HD becomes more complete, there is a diminishing need for DV tape recording capability. The format capability matches that of the HVX200 however, the HPX170 does not have a Mini DV tape drive.
This makes the recording process more efficient and more than doubles the recording capacity of the P2 cards. These options record only the exact number of frames, as opposed to using a more common method that extracts them from a 60i stream. When recording in the 720 mode, there is the option of using 720 30pN or 720 24pN. Audio is four-channel, uncompressed 16-bit digital with two XLR inputs and physical on-camera volume controls. Although tailored for HD, it records 480 60i, 30p and 24p using either DVCPRO, DV or DVCPRO 50 codecs. The Panasonic HPX170, like its predecessor the HVX200, is a handheld HD camera that records virtually all existing video formats onto high-capacity P2 memory cards. The result is the lightest and smallest P2 camera with improved CCDs, a wider-angle zoom lens, HD-SDI output, a built-in waveform monitor/vectorscope, and modifications in menu and iris control. But in creating a new P2 camera model, Panasonic also seized the opportunity to add some improvements.
With some broadcasters archiving all material at the station prior to editing, P2 offers massive timesaving.Panasonic AG-HPX170 The easiest way to describe the Panasonic AG-HPX170 is to think of it as the HVX200 minus the Mini DV tape drive. Provision of IEEE1394 and USB2.0 digital data interfaces on the camera supports in-field nonlinear editing and provides a path for hard disk recording or videotape dubbing directly from the camera.Īt a lightning fast 600 Mbps+, P2 files can be quickly transferred onto the network. The P2 deck can be a simple non-linear editor when cuts-only editing is required. Unlike tape, the P2 card provides random access allowing rapid search of material either at the camera head, P2 deck or laptop editor.Ī unique feature of the P2 deck is the play list making function. The file can immediately be recognized and tagged by newsroom and digital archiving systems.
MXF is “wrapped” round the DVCPRO DIF file format at the camera head. This means that the journalist in the field using a standard laptop can start editing immediately with no need to load up. The P2 card can be used for direct editing. This permits instant editing or network transmission operations to take place, with no need for “digitising” or “ingesting”. When a P2 card is inserted into a laptop computer’s PCMCIA slot, it can be instantly recognized as a mounted drive.
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P2 allows browse video such as MPEG-4 AVC to be sent from the camera head over wireless LAN for review by production personnel or offline editing. The camera operator can mark at the camera head the key files and scenes with icons to help production staff back at the station identify crucial scenes, thus saving time in post-production. P2 cam products offer continuous pre-recording and loop-recording, so there is much less chance for a news crew to miss an important event, and there is no waiting for scanners or media to spin-up prior to recording.