Digitized audio information is compressed by retrieving a first audio sample from a digitized audio signal and storing it in its entire, uncompressed, form. The next audio sample is then retrieved and a signed difference between the first audio sample value and the next audio sample value...http://www.google.fr/patents/US5673206?utm_source=gb-gplus-shareBrevet US5673206 - Real-time digital audio compression/decompression system
Real-time digital audio compression/decompression system
