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Resample Filter — Audio Development Framework documentation
https://docs.espressif.com/projects/esp-adf/en/latest/api-reference/audio-processing/filter_resample.html
The Resample Filter is an Audio Element designed to downsample or upsample the incoming data stream as well as to convert the data between stereo and mono. Application Example ¶ Implementation of this API is demonstrated in the following examples:
Audio Resampling — PyTorch Tutorials 1.10.1+cu102 ...
https://pytorch.org/tutorials/beginner/audio_resampling_tutorial.html
To resample an audio waveform from one freqeuncy to another, you can use transforms.Resample or functional.resample. transforms.Resample precomputes and caches the kernel used for resampling, while functional.resample computes it on the fly, so using transforms.Resample will result in a speedup when resampling multiple waveforms using the …
c - Resampling a sound sample, what filter do I use ...
https://stackoverflow.com/questions/4393545/resampling-a-sound-sample-what-filter-do-i-use
Here's a Windowed Sinc interpolating low-pass filter in Basic, that should be trivial to convert into C. If you want to use IIR filtering, here's the canonical Cookbook for biquad IIR filters. If you want the best explanation of audio resampling theory, here's Stanford CCRMA's Resampling page.
Audio Resampling — Torchaudio 0.10.0 documentation
https://pytorch.org/audio/stable/tutorials/audio_resampling_tutorial.html
To resample an audio waveform from one freqeuncy to another, you can use transforms.Resample or functional.resample. transforms.Resample precomputes and caches the kernel used for resampling, while functional.resample computes it on the fly, so using transforms.Resample will result in a speedup when resampling multiple waveforms using the …
lowpass filter - Resampling an audio signal - Signal ...
https://dsp.stackexchange.com/questions/34741/resampling-an-audio-signal
Bookmark this question. Show activity on this post. I am trying to resample an audio signal in my application. It will be between 48kHz and 96kHz audio (both upsampling and downsampling). Looking at the Wikipedia page for resampling I see there are two approaches: Decimation and upsampling. Polynomial interpolation e.g. Lagrange.
Resampling - dspGuru
https://dspguru.com/dsp/faqs/multirate/resampling/
4.1.5 When resampling, do I always need to a filter? Yes. Since resampling includes interpolation, you need an interpolation filter. Otherwise, the images created by the zero-stuffing part of interpolation will remain, and the interpolated signal will not be “the same” as the original.
Which anti aliasing filter algorithm for efficient audio ...
https://dsp.stackexchange.com/questions/23416/which-anti-aliasing-filter-algorithm-for-efficient-audio-resampling
I'm building a real-time audio resampler (think pitch bend) that needs to have a several different performance vs quality configuration options. I understand that I'll need to apply a low-pass filter before resampling in order to avoid aliasing. The requirements for the first filter are this: very efficient; better than nothing
DigitalAudioResamplingHomePage
https://ccrma.stanford.edu/~jos/resample/resample.pdf
– Filter table increased by a factor of 32, yielding more accurate results, even without linear interpolation (which also makes it faster). – Data can be processed in small chunks, enabling time-varying resampling ratios (ideal for time-warping applications and supporting an “external clock input” in software).
How to Resample Audio with NAudio - Mark Heath
https://www.markheath.net/post/how-to-resample-audio-with-naudio
Or if you’re playing audio through an API like WASAPI, which doesn’t resample for you, you need to do this yourself (actually WasapiOut in NAudio does include a resampling step on your behalf if needed). There are also some gotchas you need to be aware of when resampling. In particular there is the danger of “aliasing”.
The best audio filters for OBS - StreamGeeks
https://streamgeeks.us/the-best-audio-filters-for-obs/
Audio filters are designed to enhance audio inputs in OBS. When you are working with audio filters it’s important to remember that audio device filters can be used in a chain. This is because the order in which you use each filter will affect the sound that you get in the end. Here is a list of default OBS audio filters. Audio Device Filters
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