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- W4319862422 abstract "Audio bandwidth extension can enhance subjective sound quality by increasing bandwidth of audio signal. This paper presents a novel multi-stage progressive method for time domain causal bandwidth extension. Each stage of the progressive model contains a light weight scale-up module to generate high frequency signal and a supervised attention module to guide features propagating between stages. Time-frequency two-step training method with weighted loss for progressive output is adopted to supervise bandwidth extension performance improves along stages. Test results show that multi-stage model can improve both objective results and perceptual quality progressively. The multi-stage progressive model makes bandwidth extension performance adjustable according to energy consumption, computing capacity and user preferences." @default.
- W4319862422 created "2023-02-11" @default.
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- W4319862422 date "2023-01-09" @default.
- W4319862422 modified "2023-09-29" @default.
- W4319862422 title "Multi-Stage Progressive Audio Bandwidth Extension" @default.
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- W4319862422 doi "https://doi.org/10.1109/slt54892.2023.10022989" @default.
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