Comments (13)
@jmvalin thanks for the details. I'm trying in this case the AudioContext in the browser and your model converted via emscripten.
When using ScriptProcessorNode, its buffer size needs to be at least 512 (minimum allowed is 256) to avoid glitches because it runs on a different thread than the AudioContext. Since 512 > 480
, the intrinsic latency becomes 512 + 512 == 1024
, i.e. 21.333ms.
To reduce the latency by 8ms, use AudioWorkletProcessor which runs on the same thread as the AudioContext. Currently, its buffer size is fixed at 128. Since minimum multiples of 128 not less than 480 is 512 again, the intrinsic latency becomes 512 + 128 == 640
, i.e. 13.333ms.
Here is an example in WASM that uses AudioWorkletProcessor when available and falls back to ScriptProcessorNode: https://github.com/wegylexy/rnnoise_wasm/tree/master/src
Demo: https://rnnoise.timtim.hk/demo/
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The code itself causes exactly 10 ms delay. Anything else you see comes from your implementation (most likely how you access the soundcard).
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@jmvalin thanks for the details. I'm trying in this case the AudioContext
in the browser and your model converted via emscripten
.
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@loretoparisi the online demo purposely inserts a delay to make it easier to listen to the denoised output.
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@mbebenita ah so! that makes sense then!!! So it's something on the output buffer?
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@loretoparisi you can probably tweak the bufferSize
in https://people.xiph.org/~jm/demo/rnnoise/record.js
RNNoise is pretty fast, the reason we did this in the demo was because it was impossible to hear your own speech being denoised as you were taking.
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@loretoparisi @mbebenita @jmvalin I have tried realtime in python using sound device library which is giving me 2.5 seconds delay. In this i am running rnnoise as subprocess from python code.
I am very new to javascript can you please tell me steps to do in javascript using emscripten.
Thanks in advance
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@venkat-kittu I have asked to the authors here #32
Basically they have a compiled emscripten in the repository, but there is no docs how to generate it
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Then how i can do live in javascript or python?
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@loretoparisi any idea how to convert rnnoise model to use in browser ? like I saw noise.js in their demo but how are they initializinf weights in it if I want it finetune this model and use it there ?
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@vishaldhull09 See https://github.com/wegylexy/rnnoise_wasm . Set your weights in https://github.com/xiph/rnnoise/blob/master/src/rnn_data.c .
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@vishaldhull09 See https://github.com/wegylexy/rnnoise_wasm . Set your weights in https://github.com/xiph/rnnoise/blob/master/src/rnn_data.c .
thanks @wegylexy
sorry but little new to node and JS so I have this doubt ...
https://jmvalin.ca/demo/rnnoise/noise.js
as far as i understood , demo for browser is using this file to load Rnnoise
any idea how this file is created from the saved model, as I don't want to use node.js
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@vishaldhull09 It has nothing to do with node.js
. That's just a module that can also be loaded in node.js
as well as the browser. If you prefer C over JS, compile to WASM like I do https://github.com/wegylexy/rnnoise_wasm/blob/master/src/worklet.c .
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Related Issues (20)
- Questions About Training
- Potential underflow / overflow when converting from float to int16 HOT 1
- What is the range of the input data?
- About memory HOT 2
- rnnoise not filtering this specific noise
- file generated unreadable HOT 3
- Data imbalance problem for Voice Activity Detection output block
- About rnnoise_demo output HOT 1
- New model and default branch has changed from "master" to "main" HOT 4
- Releasing RNNoise version 0.2 HOT 15
- RNNoise v0.2 does not compile on Mac and Linux HOT 8
- Possible to support basic (non-VSX) Altivec?
- Why is a biquad filter needed before denoise? HOT 1
- reference values of training loss
- Control the size of model HOT 1
- Enable Discussions feature and convert "issues" that are not issues to a discussion
- Comparison of lite vs full model in 0.2.0
- Training with already Clean and Noisy Data HOT 2
- How to convert the model to rnnoise_data_little.c HOT 1
- what are the changes to be made if we want too change the FRAME SIZE from 480 to 160?
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