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Nycholas Maia


30 total contributions since 2017

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Question


Student License: Two Periods
Today, I have a MATLAB student license installed... Now, I would like to NOT renew this license this year because my PhD projec...

4 mois ago | 1 answer | 0

1

answer

Question


FFT and IFFT: Random Phases
I imported a single audio file to MATLAB workspace. After I apply the FFT: Y = fft(signal) How can I random change the audio ...

6 mois ago | 2 answers | 0

2

answers

Question


Large Audio Datastore: MATLAB Workspace
Hi, I have 36 large audio files encoded as Wav: 48kHz / 24 bits. Each file have approximately 3.6 hours of recording time (or 2...

6 mois ago | 0 answers | 0

0

answers

Question


GPU and CPU code: How to do?
I would like to share my MATLAB project with others that does not have any GPU card in your computers, but I want to use the GPU...

8 mois ago | 2 answers | 0

2

answers

Question


Preallocate char array: Wrong values
I would like to preallocate a char array, fill it with data and then add this array to a table column. The problem is that: eac...

8 mois ago | 1 answer | 0

1

answer

Question


Table: Overwrite column value with condition
I would like to overwrite all values of a specific column, but using a condition, like this: % Dummy array values: a = [1;2;3;...

8 mois ago | 1 answer | 0

1

answer

Question


Table: Add only selected collumns
% Set a dummy array content: name = {'Joe'; 'Elisa'; 'John'}; age = [30; 10; 25]; weigth = [100; 150; 180]; % Set 'select_...

8 mois ago | 1 answer | 0

1

answer

Question


Table: Add collumn with conditional
How to modify this function to create a better code think in how to get a dynamic output table. In this simple example below, I...

8 mois ago | 0 answers | 0

0

answers

Question


XML: Count how many <Tags>
I have a big XML file and I would like to count how many a specific tag 'X' appears in this text file. Example: In this example...

8 mois ago | 1 answer | 1

1

answer

Question


OOP: Select Data with conditional
I would like to filter a array of objects (animal class) and get a new array of objects that fits in 2 properties conditions sim...

10 mois ago | 2 answers | 0

2

answers

Question


ERROR: Wavelet + MATLAB Coder
I'm trying to convert my function called myFunc to C. The 'signal' input argument is a vector (1000, 1) that contains only uint...

plus d'un an ago | 1 answer | 0

1

answer

Question


FPGA: Audio DSP
I want to develop a DSP hardware that involves processing 64 channels of audio in real time. Using FPGA, my main concern is t...

plus d'un an ago | 0 answers | 0

0

answers

Question


GPU: Audio DSP
I want to develop a project that involves processing 64 channels of audio in *real time.* My main concern is that the total s...

plus d'un an ago | 0 answers | 0

0

answers

Question


VST Audio Plugin: Communication
Hi, Let's say that I created a VST audio plugin using MATLAB called "myVST.vst" Then I open my DAW (Reaper/Apple Logic X)...

plus d'un an ago | 1 answer | 0

1

answer

Question


Listen for Changes to Property Values
I would like to update the RMS object property always when the signal object property has change: classdef track < handle ...

plus d'un an ago | 4 answers | 0

4

answers

Question


MATLAB Coder: Toolbox Function
I'm developing my own Toolbox called 'Mix Toolbox'. My folders struct is: +mix/amp2dbfs.m function [dbfs] = amp2dbf...

plus d'un an ago | 1 answer | 0

1

answer

Question


Power Spectrum of Colored Noises
Hi, I would like to know how to "normalize" the power spectrum of FFT so that the length of the colored noise doesn't affect the...

plus d'un an ago | 1 answer | 0

1

answer

Question


Sum Object Properties: Signal
I create my object using this class: classdef myClass properties signal = [1 1 2 2 3 3]; end ...

plus d'un an ago | 1 answer | 0

1

answer

Question


Preallocate object array problem: Toolbox Path
I would like to preallocate a array of 'track' object. The problem is that: The 'track class' is *inside my toolbox called 'm...

plus d'un an ago | 1 answer | 0

1

answer

Answered
Colored Noise: Set Duration
I was wrong. The 'SamplesPerFrame' parameter is the length of the signal. Sorry...

plus d'un an ago | 0

| accepted

Question


Real time octave analysis: one third octave band
Hi, I'm trying to use a library called: *Real time octave analysis.* *Link:* <https://www.mathworks.com/matlabcentral/file...

plus d'un an ago | 1 answer | 0

1

answer

Question


Colored Noise: Set Duration
I would like to generate pink/white/blue/purple noise and set the duration of this signal. I'm using this code: signal = d...

plus d'un an ago | 1 answer | 0

1

answer

Question


FVTool: filter array as parameter
I would like to pass a filter vector as a parameter to FVTool to automate different plots of my MATLAB script. Example: I hav...

plus d'un an ago | 1 answer | 0

1

answer

Question


Spectrum Analyser: One-third octave bands
Hi, I need to customise the Spectrum Analyser X axis ticks and labels to new values that correspond to the One-third octave f...

presque 2 ans ago | 1 answer | 0

1

answer

Question


How to visualize the GUI of VST Plugin?
I'm loading a VST3 64 bits called (VOXENGO SPAN) into MATLAB following the example: *MATLAB Example:* https://www.mathworks....

presque 2 ans ago | 1 answer | 0

1

answer

Question


Generate C/C ++ source code with maximum optimization
Considering that my MATLAB (.m) file already has support for: # Multiple Jobs # GPU Processing # Multiple processors / core...

plus de 2 ans ago | 1 answer | 0

1

answer

Question


Better performace: GPU + Workers
How can I know what is the best optimization method for me? # Run the code only inside the GPU? Or run only inside the multip...

plus de 2 ans ago | 1 answer | 0

1

answer

Answered
Class Property: Array of Objects
Thank you all....now I got everything working great! Thank you so much!

plus de 2 ans ago | 0

Question


Class Property: Array of Objects
I would like to create a "Dependent Property" inside a "Main Class" that will handle a array of objects of "Sub Class". Exemp...

plus de 2 ans ago | 3 answers | 1

3

answers

Question


ADSR Audio Envelope: How to get it?
How can I get the ADSR sample points of a audio file...Like: "Fake" example: [Amp, SR] = audioread(audio.file); ...

plus de 2 ans ago | 1 answer | 0

1

answer