Specific requirements for audio storage in multimedia database management systems, where data independence of continuous data plays a key role, are described in this paper. Based on the defined characteristics for the internal format for natural audio considering especially long time storage, where the lossless property of the format is a must, allowing among others easy upgrade of the system, the new MPEG-4 scalable lossless audio coding (SLS) is shortly explained. The evaluation of SLS w.r.t. the discussed requirements is conducted in the meaning of characteristics and processing complexity of the algorithm. Some suggestions of the possible modifications are given at the end.
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