# Kwaku Owusu

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Question

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....

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

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...

ungefär 3 år ago | 0 answers | 0

### 0

answersQuestion

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...

ungefär 3 år ago | 1 answer | 0

### 1

answerQuestion

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...

mer än 3 år ago | 1 answer | 0

### 1

answerQuestion

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...

mer än 3 år ago | 1 answer | 0

### 1

answerQuestion

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...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

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...

nästan 4 år ago | 0 answers | 0

### 0

answersQuestion

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...

nästan 4 år ago | 2 answers | 0

### 2

answersQuestion

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...

nästan 4 år ago | 3 answers | 0

### 3

answersQuestion

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...

nästan 4 år ago | 2 answers | 0

### 2

answersQuestion

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 ...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

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 4 år ago | 1 answer | 0

### 1

answerQuestion

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 ...

ungefär 4 år ago | 1 answer | 1

### 1

answerQuestion

How to calculate the RMS for every 441000 values of an acoustic signal of length 13,230,000 using MATLAB?

Hello, I have 5 minutes recorded acoustic signal with 13,230,000 data points and I would like to know the root mean square (RMS)...

ungefär 4 år ago | 1 answer | 0