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Leon Ellis


Last seen: 10 dagar ago Active since 2021

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Question


Finding the closest match for data.
Good day, here I've plotted a power, frequency vs time domain of an audio signal. I have the power, frequency and time valu...

12 dagar ago | 0 answers | 0

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answers

Question


Identify words using time-frequency characteristics.
Good day, my task is to do word identification. I have used the pspectrum spectrogram function in order to aquire the power, ti...

13 dagar ago | 1 answer | 0

1

answer

Question


Word comparison and Identification.
Good day all, I'm trying to compare words and find which word is most likely to have been said usaing the immse() (mean square e...

13 dagar ago | 1 answer | 0

1

answer

Question


Word comparison using frequency domain.
Good day, I've managed to get the following from a sound wave using the FFT function: The red circles are the peak values fou...

15 dagar ago | 0 answers | 0

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answers

Question


Word recognition power frequency domain
(Best to use this code in a livescript I think) Hi, so my assignment is word recognition. As I understand we must take the sou...

15 dagar ago | 1 answer | 0

1

answer

Answered
App designer user input
Thanks!

25 dagar ago | 0

Question


App designer user input
Good day, I couldn't find any example of this and am also not sure if it is possible. My goal is to allow the user to input a w...

26 dagar ago | 2 answers | 0

2

answers

Question


FFT of sound wave frequency graph
Good day, I am plotting the sound wave in the frequincy domain and applying a low pass filter in the time and frequincy domain. ...

26 dagar ago | 1 answer | 0

1

answer

Question


Sending one digit variable serially
Good day, I'm trying to send the variable x through serial to my arduino. The only problem is, when i monitor my serialport, th...

ungefär 2 månader ago | 0 answers | 0

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answers

Question


fopen of serial object
Good day, I'm trying to open my serialport to connect and write data to my arduino uno mcu. However I keep getting an error. M...

ungefär 2 månader ago | 1 answer | 0

1

answer

Answered
Serial communication with device error
Solved: I just had to delete or close to variable each time.

ungefär 2 månader ago | 0

| accepted

Question


Serial communication with device error
Good day, I'm trying to serially communicate with my FT232RL via COM1 port, however I keep getting an error. This is my code: ...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


Sound processing dividing words
Good day, I'm audioreading a audio file with words said seperately, I.G, "One, two, three, four, five, six" till twenty. I plot...

2 månader ago | 1 answer | 0

1

answer

Question


Finding end of words in signal
Good day, I have a sound signal, which i want to find the end of each word said in that sound signal. So like, I want to find t...

3 månader ago | 1 answer | 0

1

answer

Question


Creating new arrays under conditions.
So what I want to do is the following: I have 2 vectors: Start() and stop() containing starting points of a signal and ending p...

3 månader ago | 1 answer | 0

1

answer

Question


Matlab envelope function help
Good day, my goal is to use the envelope() function to take sound signals and plot it's outskurts, so only it's amplitudes. Giv...

3 månader ago | 1 answer | 0

1

answer

Question


Creating 2 new arrays for given condition
Good day, I'm trying to write an algorithm that goes as follows: So I have y values (y) and corresponding time values (tTrans)...

3 månader ago | 1 answer | 0

1

answer

Question


Speech recognition separating words.
Good day, my task is to create a program that allows the user to record his/her voice and say a few words with pauses inbetween....

3 månader ago | 1 answer | 0

1

answer

Question


copying specific elements of an array to another.
Hi, I want to copy certain values from an array with a known size to an array with an unspesified size based on the critaria. ...

3 månader ago | 2 answers | 0

2

answers

Question


Isolating words in speech
Good day, my task is to say 20 words into my microphone on matlab and to create an algorithm of some sorts in order to take the ...

3 månader ago | 0 answers | 0

0

answers

Question


Matlab integral funtion error
Hi, I can't seem to get the integral function to work correctly. syms x z=1/(3-1) f=@(x)(x.*exp((x.^2)-1))/sin(x) fi=integr...

4 månader ago | 3 answers | 0

3

answers

Question


Numerical function invalid expression
I want to defind a function numerically. The function is ((e^2x)*tan(x))/x^3). I'm using h=@(x)exp(2x).*tan(x)./x.^3 to defind...

4 månader ago | 1 answer | 0

1

answer