tgoop.com/tgcallslib/60
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Noise Suppression in Telegram
The blog talks not only about the ability to turn off noise suppression, but also about improving it. How has it been improved?
Using a neural network! An excellent Open Source project from Mozilla Research called rnnoise.
It doesn't require GPU and is able to work in real time, for example, in calls.
A demo of deep learning results with a more detailed description is available here.
Many who broadcast music via the Virtual Audio Cable are mistaken that turning off the noise suppression in the Telegram client will help them achieve good sound quality. In fact, the audio post-processing remains. These are echo cancellation, automatic gain control, and so on.
The Disable Noise Suppression toggle turns off only rnnoise, not all audio processing!
To broadcast sound without distortion in the best quality that can be squeezed out of what Telegram has allowed, you should use the pytgcalls library, where all processing is disabled, and the bitrate is increased ✨
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