hdv

High Definition Video (HDV) is a video format which is intended to provide the facility to record high-definition (as opposed to standard definition) MPEG-2 video on standard DV media (DV or MiniDV cassette tape). The HDV format was defined by four companies: Canon Inc., Sharp Corporation, Sony Corporation, and Victor Company of Japan, Limited (JVC). These companies originally announced their HDV partnership in September, 2003. They have been joined by other companies such as Apple Computer. In January 2005, Apple announced versions of iMovie and Final Cut Express that can import and edit HDV. Because HDV is a consumer version of high definition it is not supported by their high-end product, Final Cut Pro, without a plug-in called Lumire HD, Lumire contains full support for HDV for Final Cut Pro. Some other popular video editing software packages, like Adobe Premiere Pro, now include limited support for editing HDV.

Specifications

V or MiniDV Tape
ideo Signal	720/60p, 720/30p, 720/50p, 720/25p, 1080/60i, 1080/50i
ompression	MPEG2 Video (profile & level: MP@H-14)
ampling Frequency for Luminance	74.25MHz 55.7MHz
ampling Format	4 : 2 : 0
uantization	8 bits (both luminance and chrominance)
it rate after Compression	Approximately 19Mbps/25Mbps
udio Compression	MPEG1 Audio Layer II
udio Sampling Frequency	48kHz
udio Quantization	16 bits
udio Bit rate after Compression	384kbps
udio Mode	Stereo (2 channels)
tream Type	Transport Stream Packetized Elementary Stream
tream Interface	IEEE1394 Firewire (MPEG2-TS)

External links

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