Abstract
Between the KLT transform coder and the ideal subband coder, there are many subband coders which offer great energy compaction capability with a reasonable implementation cost. Prominent among them are cosine modulated filter banks (CMFB) whose subband filters are derived from a prototype filter through cosine modulation.
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You, Y. (2010). Cosine-Modulated Filter Banks. In: Audio Coding. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-1754-6_7
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DOI: https://doi.org/10.1007/978-1-4419-1754-6_7
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