We propose an MPEG-1 Layer III conforming audio codec for multiple generations (cascaded) compression without loss of perceptual quality. Previous research addressing this topic mainly focused on less complex coding schemes like MPEG-1 Layer II. In our paper, the techniques proposed in those approaches are extended to comply with Layer III`s advanced features such as hybrid filtering, block switching, and bit reservoir based processing. A prototypic implementation including extensive listening tests shows the feasibility of perceptually stable cascaded Layer III compression.
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