Interspeech 2018 2018
DOI: 10.21437/interspeech.2018-2213
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Artificial Bandwidth Extension with Memory Inclusion Using Semi-supervised Stacked Auto-encoders

Abstract: Artificial bandwidth extension (ABE) algorithms have been developed to improve quality when wideband devices receive speech signals from narrowband devices or infrastructure. The utilisation of contextual information in the form of dynamic features or explicit memory captured from neighbouring frames is common to ABE research, however the use of additional cues augments complexity and can introduce latency. Previous work shows that unsupervised, linear dimensionality reduction techniques help to reduce complex… Show more

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