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Upsampling - Wikipedia

    https://en.wikipedia.org/wiki/Upsampling
    Eq.1) where the h [•] sequence is the impulse response of the interpolation filter, and K is the largest value of k for which h [j + kL] is non-zero. In the case L = 2, h [•] can be designed as a half-band filter , where almost half of the coefficients are zero and need not be included in the dot products. Impulse response coefficients taken at intervals of L form a subsequence, and there ...

Audio Super Resolution - GitHub Pages

    https://kuleshov.github.io/audio-super-res/
    Upscaling is done using dimension (subpixel) shuffling.· We also start with initial cubic upsampling layer, and connect it to the output with an additive residual connection. It follows from basic signal processing theory that our method effectively predicts the high frequencies of a signal from the low frequencies.

AV receiver - Wikipedia

    https://en.wikipedia.org/wiki/AV_receiver
    An audio/video receiver (AVR) is a consumer electronics component used in a home theater.Its purpose is to receive audio and video signals from a number of sources, and to process them and provide power amplifiers to drive loudspeakers and route the video to displays such as a television, monitor or video projector.Inputs may come from a satellite receiver, radio, DVD …

Is there any AI software that restores poorly encoded audio?

    https://www.reddit.com/r/GameUpscale/comments/feyegy/is_there_any_ai_software_that_restores_poorly/
    The initial audio was quiet and blippy so I used a denoiser and boosted the sound, listening to different frequencies. But I also thought that something like this would be great. There is a lot of work being done on image upscaling at the moment, why not audio upscaling? You would think it would be similar.

GitHub - kuleshov/audio-super-res: Audio super resolution ...

    https://github.com/kuleshov/audio-super-res
    --r the upscaling ratio of the data: make sure that the appropriate datafile have been generated (note: to generate data with different scaling ratios change the SCA parameter in the makefile) --piano false by default--make true to train on piano data --grocery false by default--make true to train on grocery imputation data --speaker number of ...

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