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# Kamil Kacer

Last seen: 4 mois il y a Actif depuis 2020

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What is the critical frequency

4 mois il y a | 0

Question

What is the critical frequency
what is the critical frequency of the room with volume of 392mš^3 and reverberation of 0.3s

4 mois il y a | 1 réponse | 0

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polar plot multiple legend
How do I name each line in polar plot differently This doesnt work angle = 0:0.1745:2*pi; Spl49 = [81.97499084 81.654129...

5 mois il y a | 1 réponse | 0

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Tonal and noise components
Does anyone know how to get tonal and noise components of the signal based on euklidean distance ? Do you get it from spectral ...

5 mois il y a | 1 réponse | 0

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Cell to matrix conversion
I have a cell like this. I want to make in one matrix. I can do this a = [v{1}; v{2}; v{3}] but it would take so long sing ...

5 mois il y a | 1 réponse | 0

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How to merge cell
How do I merge this array so I get only one cell. All the parts of the array(1084) go in a row

5 mois il y a | 1 réponse | 0

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Limiting range of a matrix
I have matrix A = [1 2 3 4 5 6 7 8]; I try to limit the matrix to numbers greater than 3 and less than 6 how do I do it ? I ...

5 mois il y a | 2 réponses | 0

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Problem with last step of program while debugging
My code works perfect until the last line as you see at the picture but when i click next step it give me these random number...

plus de 2 ans il y a | 1 réponse | 0

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How to solve dimension problem
I got script like this and for some reason it works with some audio samples and with other it doesnt. asc ascacsSamples ...

plus de 2 ans il y a | 1 réponse | 0

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How do i make qpsk constelation
Hi i want to make something like this from my qpsk please how do i do it

plus de 2 ans il y a | 1 réponse | 0

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How do i round to two decimals without zeros at the end
Hi I just want to keed 2 decimal places without those zeros shown at the picture what do I do please I tried round

plus de 2 ans il y a | 1 réponse | 0

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How to expand matrix
Hi I have matrix 1 row 12225 columns and I want to colerate in with matrix 1 row 12230 columns how to I round them to same lengt...

plus de 2 ans il y a | 1 réponse | 0

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How do I label pcolor y and x axes please
How do i label pcolor axes please

plus de 2 ans il y a | 1 réponse | 0

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How do a make an avarage of two matrixes index by index
How do i make mean of these two matrixes index by index point(1,1) point(2,1) and so on all of them

plus de 2 ans il y a | 1 réponse | 0

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how to i check if matrix cotaining logical 1
I got B and i want to check if B cotains at least one '1' display super if all zeros display not good How do i do it A...

plus de 2 ans il y a | 2 réponses | 0

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How to get ones out of matrix
Hi i have this matrix I want to write an if statement or use a function where i detect if there is any '1' in this sequence ant ...

plus de 2 ans il y a | 1 réponse | 0

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How do i plot matrix in spectogram
HI i have matrix. I took 13 MFcoeficients for each frame How do i plot it into spectrogram please I want something lke this...

plus de 2 ans il y a | 1 réponse | 0

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Plotting MF-Cepstrum
I avarage all the frames in an audio and this is the Mfcc avarage of them(Not sure if its suppose to be done like this) Now I w...

plus de 2 ans il y a | 1 réponse | 0

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how do i plot only certain part of cepstrum
How do I plot only certain part of cepstrum for example only first half I dont want plot first half of coeficient because it mi...

plus de 2 ans il y a | 1 réponse | 0

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How to correlate spectral coeficient
Hi guys i want to correlate two row vectors of spectral coeficient of a different size. I assume i just cannot cut one vector s...

plus de 2 ans il y a | 1 réponse | 0

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how to make the length of culums equal
Hi i have code like this I want to scan my folder and for each wav in file( 5 files) i want to compute DFT the I want to fit t...

plus de 2 ans il y a | 1 réponse | 0

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How to write if statement for logical value
Hi this is my Result matrix I converter them to logical values as shown below(dont know if it is neccecery) And now I wnat to...

plus de 2 ans il y a | 2 réponses | 0

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how to calculate distance euclidean
Hi guys I just cannot figure out the math behind how does these matrices produce this c = 1 5 6 3 1 ...

plus de 2 ans il y a | 1 réponse | 0

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Automatic detection of bark
Hi guys I have to do automatic detection of a dog bark among other sounds. What is the guideline of doing so ? I finished my co...

plus de 2 ans il y a | 1 réponse | 0

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A répondu
wrong size of matrix
[Features, classNames, MEAN, STD, ... stWin, stStep] = kNN_model_load(modelFileName); [x, fs] = audioread(wavFileName)...

plus de 2 ans il y a | 0

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wrong size of matrix
HI guys when i run this function it gives me an error This is F F fileClassification('audio.wav', 1, 'auto5.mat') Error usi...

plus de 2 ans il y a | 1 réponse | 0

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Can anyone tell what is this line doing
It seems these two first lines two the exact same thing can anyone help I cannot figure out what they are doing a = d{1}...

plus de 2 ans il y a | 2 réponses | 0

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what does this line do
d{i}(end+1:max(numOfTrainSamples)) = inf; can anyone tell what does this do d has 3 iteration and numOfTrainSamples is e...

plus de 2 ans il y a | 2 réponses | 0

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A répondu
not enough input arguments
cityblock is another form of distance? But I do not need it. if ~isscalar(distancetype) || ~isnumeric(distancetype) || ~i...

plus de 2 ans il y a | 0

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how to train dataset
Hi Iam trying to train a dataset on a short term basis of 1 Sample with 3 Features so I expect 3 row matrix. The problem is i ...

plus de 2 ans il y a | 1 réponse | 0

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