All Questions
8 questions
0
votes
2
answers
370
views
confusion understanding/interpreting power spectrum of audio in MATLAB?
Please find attached snapshot. I am confused regarding power spectrum in MATLAB as according to google definition in attached snapshot"the distribution of the energy of a waveform among its ...
- 1,952
3
votes
1
answer
172
views
Uniform density 2d peak detection of spectrogram
I am trying to recreate the algorithm used by Shazam to recognize music, as outlined in the paper An Industrial-Strength Audio Search Algorithm. The algorithm performs a specialized peak detection to ...
- 131
0
votes
1
answer
61
views
Is it correct to say that increasing the sampling frequency is same as compressing the duration of an audio signal in MATLAB?
I am trying to read and play with an audio signal in MATLAB. I have coded below
clear
[y,fs]=audioread('guitartune.wav');
sound(y,fs)
This audio clip'guitartune....
- 83
2
votes
0
answers
236
views
Frequency Estimation Using Multiple Signal Classification Algorithm (MUSIC)
I'm working on side research that deals with signals and data in the time domain. currently, I want to use the multiple signal classification algorithm (MUSIC) which is mainly used for frequency ...
- 121
1
vote
0
answers
52
views
Calculate the tension of a triad of notes
I'm trying to implement and calculate the tonal tension of a triad (and its harmonics) following the definition given here: https://pdfs.semanticscholar.org/f05e/56c9548fa18c64efeed248742e3a6afb0c02....
2
votes
4
answers
812
views
harmonic product spectrum on guitar string signals
i am trying to create a program that gets the fundamental frequency of the signal coming from a guitar string to identify what note is being played, is harmonic product spectrum the algorithm the most ...
- 21
2
votes
3
answers
1k
views
Distribution of energy in frequency bands
On my wav-file (music), I do a short-time Fourier transform (STFT). I have spectrum, which spans from $0\textrm{ Hz}$ to $f_s/2$. I took out the range between $1$ and $1000\textrm{ Hz}$, which I ...
- 21
3
votes
2
answers
313
views
Key detection Dance Music inaccuracies - matlab
I have been working on a project with a vide variety of functions for DJ'ing. I am nearing the end, however, the accuracy rate on the key detection part of it is not pleasant when fed tracks of Dance ...
- 131