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A New Noise Injection Model for Audio Compression Algorithms

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A new approach for noise thresholds calculation in audio coding is introduced. The proposed scheme relies on a nonuniform filterbank analysis of the signal and on energy-spreading curves inside the cochlea as objective measurement tools do. The shape of the analysis filters matches the human auditory filters, thus temporal effects are taken into account.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=7405

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AES - Audio Engineering Society