A mixed lossless audio compression has application to a unified lossy and lossless audio compression scheme that combines lossy and lossless audio compression within a same audio signal. The mixed lossless compression codes a transition frame between lossy and lossless coding frames to produce seamless...http://www.google.fr/patents/US8108221?utm_source=gb-gplus-shareBrevet US8108221 - Mixed lossless audio compression
