Apple Lossless

The Apple corporation developed, one of the reversible compressed formatof the voice data. Being available from iTunes 4.5 which is announced in 2004 April,it is possibleto play back with iPod and the like.
The bulk compressibility where many of speech compression system with irreversible (addition opposite) compressed system, alter the data when compressing and/or are high between by pulling, is obtained.As for reversible compression (loss lesscompression) being the sameasusual file compression and the like,the system whichcan reproduce the as before data completely from the data which was compressed. It is the compressed system where the sound quality does not deteriorate in principle completely. In order as for bulk compressibility to receive influence to contents of sound largely, you cannot say unconditionally, but when music CD and the like is designated as the sound source, other reversible compressed system there is many a thing which from half can be compressed similarlyin generalin 1/3.