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# Kwaku Owusu

Last seen: 9 dagar ago Active since 2020

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How to customize the performance function (mse) to RMSE in AAN?
How to customize the performance function (mse) (net.performFcn = 'mse') in AAN? For example to chane mse to RMSE. Thank you....

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Question

Can the bandpower function coupled with power spectral density, psd in MATLAB be converted to dB by finding the 10log of the bandpower?
HI everyone, Please I want to determine the a particular frequency intensity of an acoustic signal in dB using the bandpower f...

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How to generate a sequence of acoustic levels (dB) of a particular frequency (let say 50 Hz) of an acoustic signal?
Hi everyone, Please I have an acoustic signal from an operation, having a sampling rate of 44100Hz. I would like to generate th...

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Question

Please, could someone assist me with code for wavelet analysis?
Hi all, Please, I have an acoustic signals from a couple of experiments and would to explore the time-frequency characteristic...

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Please, I would like to present my xlimit in a plot into scientific notation?
Hi all, Please, I have a graph that has axis limit in the range of 0,1000, 2000 ,........,15000. I would like to have it in sci...

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Question

How to determine the energy at different frequency bands of an acoustic signal?
Please, I have an acoustic signal and I have been able to convert it the frequency domain using FFT. Now I would like to determi...

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How to find the time-frequency plot of a signal using the wavelet transform?
Please, I have an acoustic signal and I woul like to do time-frequency analysis using Wavelet tranform. I am aware STFT can c...

ungefär ett år ago | 0 answers | 0

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Please, How do I determine the Mean Absolute Value (MAV) of an acoustic signal, which has positive and negative data points?
Please, How do I determine the Mean Absolute Value (MAD) of an acoustic signal, which has positive and negative data points? Is...

ungefär ett år ago | 2 answers | 0

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Question

How to find the Zero Crossing Rate of a signal?
Please, I want to determine the Zero Crossing Rate of an Acoustic Signal. I would be glad if someone could provide me with a cod...

ungefär ett år ago | 3 answers | 0

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Question

How do I present an audio signal in a time domain plot using MATLAB, such that the y-axis is in decibel (dB) instead of of a linear scale?
Please, I have a recorded audio signal from experimental work. I have been able to plot the time domain graph (see attached) usi...

ungefär ett år ago | 2 answers | 0

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Question

How to plot number of frames of acoustic signal data vs RMS?
Hello, I have 5 minutes recorded acoustic signal with 13,230,000 data points. I would like to divide the signal data into of 30 ...

ungefär ett år ago | 1 answer | 0

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Question

Plot of Short Term Energy (STE) of an acoustic signal and Number of frames
Please, I have a 5 minutes recorded acoustic signal with sampling frequency (fs) of 44100 Hz. I would like to section the signal...

ungefär ett år ago | 1 answer | 0

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Question

Grouped bar plots with label on each bar
Please, I am making a grouped bar plot (i.e., a bar plot with multiple bars in each category). I would like to assign labels to ...

mer än ett år ago | 1 answer | 0