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An Optimization Scheme for SVAC Audio Encoder

Abstract : Both audio signals and MEL-frequency cepstral coefficients are encoded in SVAC audio encoder. These two independent processing leads to structural redundancies for the encoder design. This paper proposes an optimization scheme using MEL-frequency cepstral coefficients to realize high-frequency reconstruction and removes Bandwidth Extension module of the original encoder. Simulation results prove that the new encoder has considerable improvement on structure, reconstructed high-frequency precision and coding quality.
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https://hal.inria.fr/hal-01383336
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Ruo Shu, Shibao Li, Xin Pan. An Optimization Scheme for SVAC Audio Encoder. 8th International Conference on Intelligent Information Processing (IIP), Oct 2014, Hangzhou, China. pp.221-229, ⟨10.1007/978-3-662-44980-6_25⟩. ⟨hal-01383336⟩

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