What Is Multiband Compression?

Compression ratio, which describes the effect name of the compressed file. It is the ratio of the size of the compressed file to the size of the compressed file. %, The compression ratio is generally as small as possible, but the smaller the compression, the longer the decompression time.

The storage space of MP3 players has also evolved from 32MB to 2G, 4G is even much larger than this, but it is still insufficient compared to the interchangeability of MD players. MP3 music is especially important. It is impossible for us to compress our MP3 with a compression rate of 320kbs in order to obtain higher quality sound quality. This way, 64MB of memory can only hold more than 20 minutes of music. Although it can hold more music, the sound quality is unacceptable to us. So we have to find a balance between sound quality and compression ratio and use a compromise solution.

7-Zip Compression ratio 7-Zip

7-Zip is an open source compression software with extremely high compression ratio.

Compression rate license agreement

7-Zip is open source software and most of the source code is released under the GNU LGPL license agreement. AES code is released under the BSD license. The unRAR code is based on two licenses: the GNU LGPL and the unRAR restricted license.

7-Zip Compression ratio 7-Zip key features

1. The 7z format using the LZMA and LZMA2 algorithms has a very high compression ratio.
2. Provide a more complete AES-256 encryption algorithm for 7z and ZIP.
3. Support FAR Manager plugin

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