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XP Codec Pack : Download it and enjoy your multimedia experience! > Video Codecs > Alparysoft Lossless

  Alparysoft Lossless Video Codec 2.0
Updated: 12 Jul 2005 | Freeware | 189KB | Downloads: 42413
Reviews [3]
Alparysoft Lossless Video Codec is for encoding (compression) and decoding (decompression) of video files. The techniques, used by this filter, allow to compress videos 1.2 - 1.5 times better than HuffYUV.

Download Alparysoft Lossless

Features of Alparysoft Lossless Video Codec :

- Without any mathematical losses (i.e. source and destination video are absolutely identical after encoding/decoding process), the compression ratio is twice - 5 times.
- Without any visual losses, i.e. human eye won't be able to see any difference between source and destination video, the compression ratio is 5-15 times.

Options of Alparysoft Lossless Video Codec :

- Source video
Convert to YV12 (with data loss) - when a flag is set up codec converts input formats in YV12 that allows increasing the speed of video editing and to shorten the size of output file greatly. Any losses on conversion to this format are practically not visible.
Adjust interlace - when a flag is set up codec divides a frame into two half-frames and it encodes them separately. It allows increasing compression ratio on video with a high percent of interlaced areas.
- Encoding
Lossless compression - on selecting this option codec encodes video without any mathematical losses, i.e. the compressed video is absolutely identical to source one. The compression ratio is 1,5- 5 times at that.
Enable prediction - when the flag is set up codec turns on the algorithm of prediction that allows increasing of compression ratio, but it slows down the speed of encoding/decoding.
Realtime, average, max compr. (max compression) - codec uses different algorithms of encoding, depending on a selection of one of this options. Realtime is the fastest algorithm. Max. Compr.- is the slowest one though its compression ratio is higher than in realtime. Average- it is middle between them according to speed and compression ratio.
Visually lossless compression - on selecting this option codec encodes video with mathematical losses, but without video deterioration (on the right fitting of compression level). It allows increasing of compression ratio up to 5-15 times.
Compression level - allows selecting of video compression ratio. 1 - Almost lossless compression, the least compression ratio. 6- The greatest compression ratio though video deterioration is possible at that.
- Decoding
Vertical flip video - flips video upside down. It is necessary sometimes because of working peculiarities of multimedia equipment and multimedia programs. If your video is suddenly played upside down set this flag then.
- SSE acceleration
Enable (auto detect) - allows disconnecting of using the multimedia extension of AMD and Intel processors. The speed of video compression/decompression increases greatly when a flag is set up.
- Debug
Enable logging - allows recording of debugging and housekeeping data in a file selected.
More detailed info - allows recording of more detailed debugging and housekeeping data in a file selected.
Log filename - shows file's name and location where debugging and housekeeping data will be recorded to.
Browse file - allows selecting the file for recording of debugging and housekeeping data.
View log - allows browsing the file into which the record of debugging and housekeeping data generated.
Clear log - allows cleaning the file into which the record of debugging and housekeeping data generated.

Changes in Alparysoft Lossless Video Codec 2.0 :

- The algorithm of visually-lossless compression is added, that allows increasing of video compression ratio in several times (that is why the codec's version has raised in one unit).
- The bug appearing during a work with Adobe Premier was fixed, now codec is compatible with this program.
- A number of input and output converters is added, that is why an opportunity to transform formats for input and output streams appeared (RGB -> YUV). It increased codec's compatibility both with various capture boards and with different video editing programs. Moreover, usage of some formats allows increasing the speed of video editing greatly.
- General operating speed of codec is increased.
- An opportunity both to allow/prohibit the usage of different media formats and to set their priority appeared.

Important Note :

- Alparysoft Lossless Codec is freeware, but requires registration. Register Alparysoft Lossless Video Codec!

• Related downloads:
- FastCodec: fast lossless and visually lossless video codec.
- Lagarith Lossless Video Codec: offers excellent compression, the MSU Lossless Codec and FFV1 are the only codecs that outperform Lagarith in terms of compression.
- MSU Lossless Video Codec: easy-to-use and understand interface.

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