HDV Solutions for video pros.Sony has expanded its line of video options with its new HVR-Z1U camcorder and HVRM10U VTR (VideoTape Recorder) A videotape recording and playback machine. VTR may refer to consumer MiniDV and DV recorders or to professional machines such as Betacam, DVCPRO and DVCAM. . The camcorder can record HDV (High Definition Video) The high-definition, wide screen version of the DV magnetic tape format. Like DV, HDV recording moves at a constant data rate and stores data on the same DV and MiniDV tapes as SD camcorders. , DVCAM Sony's version of the DV (Digital Video) tape technology. DVCAM improves quality by increasing the tape speed from 18.8mm/sec to 28.2mm/sec. It also increases track width from 10 to 15 microns for added reliability. and DV images at 60i, 50i, 30, 25 or 24 frames per second in SD or HD. Its advanced design allows more light to reach each pixel in the imager, which improves the signal-to-noise ratio The ratio of the power or volume (amplitude) of a signal to the amount of unwanted interference (the noise) that has mixed in with it. Measured in decibels, signal-to-noise ratio (SNR or S/N) measures the clarity of the signal in a circuit or a wired or wireless transmission channel. . The HVR-M10U VTR ($3,700) features record and play back functionality, DVCAM, and DV SP. In addition, the recorded image can be down-converted to SD output mode directly from the VTR. The HVR-Z1U retails for $4,900. For more information, visit www.sony.com. [ILLUSTRATION OMITTED] |
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