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Ibrahim A


Last seen: mehr als ein Jahr vor |  Aktiv seit 2019

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What "Window" value or size mean when using the audioFeatureExtractor function
When I am trying to use the audioFeatureExtractor function to extract features from an audion. I need to define the property "Wi...

etwa 2 Jahre vor | 1 Antwort | 0

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Gelöst


Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

mehr als 3 Jahre vor

Gelöst


Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

mehr als 3 Jahre vor

Gelöst


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

mehr als 3 Jahre vor

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Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

mehr als 3 Jahre vor

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Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

mehr als 3 Jahre vor

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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

mehr als 3 Jahre vor

Gelöst


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

mehr als 3 Jahre vor

Gelöst


Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

mehr als 3 Jahre vor

Gelöst


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

mehr als 3 Jahre vor

Gelöst


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

mehr als 3 Jahre vor

Gelöst


Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

mehr als 3 Jahre vor

Gelöst


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

mehr als 3 Jahre vor

Beantwortet
Image resizing using augmentedImageDatastore
Hi Rd, I had same problem and fixed by splitting the data before I do the augmentedImageDatastore then have two augmentedImageD...

etwa 4 Jahre vor | 1

| akzeptiert

Frage


Size of Mini-Batch in deep learning
Hi, I am trying to train some deep learning models and trying to set up good value for the Mini-Batch. As you may know, the val...

mehr als 4 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Getting NaN and Inf values after extracting features from Audio files
Hello, I am trying to extract audio features from audio files that range from 1 - 30 seconds. When I extract the features using...

mehr als 4 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Classifying environmental sounds using AlexNet
I am trying to extract Spectrograms and MFCC from audio files then calssify them using AlexNet or GooglNet. Any tips ?

mehr als 4 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
How do I know what is the probability that this file belong to this class .wav
Yessss.. I figured it out :) prob = predict(net,extract(aFE,wNoiseTest)');

fast 5 Jahre vor | 0

| akzeptiert

Frage


How do I know what is the probability that this file belong to this class .wav
On the TransferLearningUsingGoogLeNetExample for images, the code was able to predict the class of the image with probability % ...

fast 5 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Extracting features from a .wav file using MFCC?
This should walk you through all the steps on how to extract MFCC. https://www.mathworks.com/help/audio/ref/mfcc.html

etwa 5 Jahre vor | 0

Frage


How to extract specific MFCC from .wav files?
When I use the "audioFeatureExtractor" to extract MFCC, since there are 13 MFCC features, I am not sure how to use the setExtrac...

etwa 5 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Issue loading audio files from "fileDatastore" to a matrix
I have used fileDatastore to link my 3K audio files from three different floders, then I tried to input their values into three ...

etwa 5 Jahre vor | 2 Antworten | 0

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