Superficial Analys is of the Multi-media Data Compressing Technique
Xuehui Wu · Computer Knowledge and Technology · 2009
With the multi-media technology applications gaining popularity,a wide range of information(such as voice,images,text,etc) are occupying more and more space in the media,how to information retrieval,classification,storage,transmission and display is currently facing one of the most urgent issues.firstly,Data compression is necessity and feasibility,secondly introduce the classification of data compression technology and detailed analysis of the ADPCM coding,DCT transform.