With the availability of an ever growing range of HDV cameras and decks, the demand for HD editing on PCs has increased. However, since HDV image data ranges from 1280x720 to 1440x1080 pixels in size with MPEG-2 compression, it takes considerable time to encode an output file even with the latest high-speed CPUs.
The process of MPEG-2 encoding has few elements that can be treated in parallel independently, even if the encoding process involves parallel computation with multiple CPUs and/or multi-core CPUs. The overheads with this form of parallel processing increase steadily over time and encoding efficiency deteriorates, resulting in speeds that are slower than what is truly capable with multiple CPU/multi-core CPU configurations.
EDIUS Speed Encoder for HDV solves this problem.
A basic idea of how EDIUS Speed Encoder for HDV work is very simple. EDIUS Speed Encoder first divides the video data into blocks and then each CPU core encodes multiple blocks simultaneously. EDIUS Speed Encoder then reassembles all encoded video data blocks into the final long GOP MPEG-2 stream. This process shortens the total encoding time dramatically.
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