This Class performs basic compositing on buffers on the non-real-time thread. It avoids having to come back to the language side. It is part of the Fluid Decomposition Toolkit of the FluCoMa project. footnote::
This was made possible thanks to the FluCoMa project (http://www.flucoma.org/) funded by the European Research Council (https://erc.europa.eu/) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 725899).::
The algorythm will take two buffer in, and will put the composited information at the provided dstBuf.
CLASSMETHODS::
METHOD:: process
This method triggers the compositing.
ARGUMENT:: server
The server on which the buffers to be processed are allocated.
ARGUMENT:: srcBufNumA
The bufNum of the first source buffer.
ARGUMENT:: startAtA
The starting point (in samples) from which to copy in the first source buffer.
ARGUMENT:: nFramesA
The duration (in samples) to copy from the first source buffer.
ARGUMENT:: startChanA
The first channel from which to copy in the first source buffer.
ARGUMENT:: nChansA
The number of channels from which to copy in the first source buffer. This parameter will wrap around the number of channels in the source buffer.
ARGUMENT:: srcGainA
The gain applied to the samples to be copied from the first source buffer.
ARGUMENT:: dstStartAtA
The time offset (in samples) in the destination buffer to start writing the first source at. The destination buffer will be resized if the portion to copy is overflowing.
ARGUMENT:: dstStartChanA
The channel offest in the destination buffer to start writing the first source at. The destination buffer will be resized if the number of channels to copy is overflowing.
ARGUMENT:: srcBufNumB
The bufNum of the second source buffer.
ARGUMENT:: startAtB
The starting point (in samples) from which to copy in the second source buffer.
ARGUMENT:: nFramesB
The duration (in samples) to copy from the second source buffer.
ARGUMENT:: startChanB
The first channel from which to copy in the second source buffer.
ARGUMENT:: nChansB
The number of channels from which to copy in the second source buffer. This parameter will wrap around the number of channels in the source buffer.
ARGUMENT:: srcGainB
The gain applied to the samples to be copied from the second source buffer.
ARGUMENT:: dstStartAtB
The time offset (in samples) in the destination buffer to start writing the second source at. The destination buffer will be resized if the portion to copy is overflowing.
ARGUMENT:: dstStartChanB
The channel offest in the destination buffer to start writing the second source at. The destination buffer will be resized if the number of channels to copy is overflowing.
ARGUMENT:: dstBufNum
The bufNum of the destination buffer.
returns::
Nothing, as the various destination buffers are declared in the function call.
This Class performs Non-Negative Matrix Factorisation (NMF for short) on buffers on the non-real-time thread. It is a good way to get different components out of a buffered signal. It is part of the Fluid Decomposition Toolkit of the FluCoMa project. footnote::
@ -12,7 +12,7 @@ This was made possible thanks to the FluCoMa project (http://www.flucoma.org/)
## an amplitude envoloppe of each rank in the form of gains for each consecutive frames of the unterlying FFT (called an activation in NMF lingo)
## a reconstruction of each rank in audio domain. ::
The whole process can be related to a vocoder, where each filter is instead a spectrograme of magnitudes (no phase information). More information for musicianly uses of NMF are availabe on this website, and in the LINK::Overviews/FluCoMa:: overview file.
The whole process can be related to a vocoder, where each filter is instead a spectrograme of magnitudes (no phase information). More information for musicianly uses of NMF are availabe on this website, and in LINK::Guides/FluCoMa:: overview file.
order of the IR filter used to model the signal in samples (how many samples previously are used to predict the next one as reference for the model) - higer = more accurate spectral def - like fft - low end res improv as well but not conencted to temporal res
ARGUMENT:: blockSize
(describe argument here)
size of frame on which it is operating - hi is hi cpu but determines max trans size (not more than half)
ARGUMENT:: padding
(describe argument here)
handles on each sides of the block just for analyse - just for model param, not processed
ARGUMENT:: skew
(describe argument here)
-10 to 10 -> chapt 5 or 7 of the digital (kind of hysteresis on bespoke detection function)
ARGUMENT:: threshFwd
(describe argument here)
threshold of the onset of error
ARGUMENT:: threshBack
(describe argument here)
threshold of the offset of the error
ARGUMENT:: windowSize
(describe argument here)
averaging window of the error detection function (because it is jittery)
summary:: This section gives an overview of the Fluid Corpus Manipulation Project
categories:: Libraries>FluidDecomposition
related:: Classes/FluidBufNMF
description::
This is my description of the FluCoMa project. footnote::
This was made possible thanks to the FluCoMa project (http://www.flucoma.org/) funded by the European Research Council (https://erc.europa.eu/) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 725899).::
summary:: This section gives an overview of the toolbox for signal decomposition
categories:: Libraries>FluidDecomposition
related:: Classes/FluidBufNMF
description::
This is my description. It is part of the Fluid Decomposition Toolkit of the FluCoMa project. footnote::
This was made possible thanks to the FluCoMa project (http://www.flucoma.org/) funded by the European Research Council (https://erc.europa.eu/) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 725899).::
b = Buffer.read(s,"/Users/pa/Documents/documents@hudd/research/projects/fluid corpus navigation/research/archives-2017-18/denoise_stn/sources/01-mix.wav");
c = Buffer.read(s,"/Users/pa/Documents/documents@hudd/research/projects/fluid corpus navigation/research/archives-2017-18/denoise_stn/sources/02-guit.wav");
b = Buffer.read(s,"/Users/pa/Documents/documents@hudd/research/projects/fluid corpus navigation/research/fluid_decomposition/AudioFiles/Tremblay-AaS-SynthTwoVoices-M.wav");
c = Buffer.read(s,"/Users/pa/Documents/documents@hudd/research/projects/fluid corpus navigation/research/fluid_decomposition/AudioFiles/Tremblay-SA-UprightPianoPedalWide.wav");
d = Buffer.new(s);
)
(
// without basic params
// without basic params (basic summing of each full buffer in all dimensions)
Pierre Alexandre Tremblay
7 years ago