All Questions
Tagged with music frequency-spectrum
18 questions
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Which FFT Window to use for data gathering of complete mastered songs - for AI
I have a novel technology that I developed, which I plan on incorporating AI beginning with simply recording a basic machine learning strategy of Input - Output for eventual training.
In this case ...
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1
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84
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How can I use a constant Q transform to detect low frequencies without making the buffer size too large?
I am trying to write code to detect musical notes within a signal. I have been reading up on different methods for extracting frequency information out of a signal to determine which notes were played ...
- 327
2
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2
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506
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How to use MUltiple SIgnal Classification (MUSIC) algorithm to detect the wavenumber of a received signal at array of sensors?
I am working on analyzing data obtained from Fiber Optic - Distributed Acoustic Sensor (DAS) to estimate the properties of acoustic waves that impinge FO cable, such as velocity of acoustic waves. FO-...
user67390
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2
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574
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Algorithms for real time multi-pitch guitar detection
I've been looking for info on this topic for a while and I came across several algorithms that may be suitable for this purpose.
Specifically I'm interested in getting a frequency representation like ...
- 113
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3
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2k
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Identifying Instruments within a music file
Say I have a file that contains a few musical instruments, how can Identify the name of each one (ultimate goal) or at least the category they belong to, like wind instruments?
For example, if I load ...
- 39
1
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1
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213
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Performing root-music, how do i retrieve frequency and phase data of a signal?
I'm trying an alternative method to the classical fft to do signal analysis. I perform root-MUSIC on a certain known signal + noise in matlab with the function 'rootmusic'. This gives gives the signal ...
1
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1
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742
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How does Music algorithm differ from simple DFT/FFT for frequency estimation?
I would like to know why would someone choose to use Music algorithm from frequency estimation when one can simply use DFT/FFT which are much simpler.
What is the intuitive way for understanding Music ...
- 267
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251
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What is the relation between PCM amplitude values and the values in a Spectrogram?
I am curious to know the relation between the 16-bit amplitude values in the PCM-encoded signal and the values inside the corresponding spectrogram. I am using Scipy reading a 44100-sample rate song:
...
- 103
3
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1
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144
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Shazam / SoundHound Music Analysis - Recommendation for Reading
I need to explore some area around music frequency analysis.
A good example is the way Shazam / SoundHound app works (mapping frequency domain, comparing, creating some vector map, handling noises and ...
- 141
2
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1
answer
1k
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DOA estimation; Music (Multiple Signal Classification) algorithm
Why do we say that signal subspace and noise subspace are orthogonal in e.g. MUSIC algorithm? precisely, Suppose we have 2 sources (signals) which are WSS, in WGN in a uniform linear array. After ...
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13
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Which transform most closely mimics the human auditory system?
The Fourier transform is commonly used for frequency analysis of sounds. However, it has some disadvantages when it comes to analyzing the human perception of sound. For example, its frequency bins ...
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2k
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Method for calculating musical note-based magnitude spectrum
My specific question is: is there a standard way to do the kind of analysis I describe below? If not, is there a useful method that I have missed?
I'm exploring ways to produce a spectral histogram ...
- 113
0
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0
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48
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Distinguish between two vocals by their timbre
Right now I'm working on a signal processing project, I'm not quite to the point where I'm implementing the DSP algorithms yet (still working on the low level hardware) although I'd like to get an ...
- 101
0
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2
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280
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How to covert hummming into pitches?
I am not sure if this question suits this site, but I want to convert humming into notes or relative values to analyse melodies, word of "Signal Processing" looks suit for this. I am planning to use ...
- 101
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3
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368
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Harmonic errors in acoustic instruments
If a note has a fundamental frequency of 100Hz, then its second harmonic is located at 200Hz and its tenth harmonic is located at 1000Hz. But for acoustic instruments, the harmonics will not occur at ...
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1
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351
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Tool for Harmonic Analysis & Synthesis [closed]
I've been using a program for identifying harmonics for a wave after doing a fourier analysis.
http://www.phon.ucl.ac.uk/resource/sfs/esynth.htm
I would like to be able to tweak some of the ...
- 143
3
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214
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14
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2
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457
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Inverse polyphonic chord recognition
Polyphonic music transcription does not currently appear to be a solved problem.
How about the inverse of a small portion of the problem. Are there any kind of spectral characteristics (from an STFT)...
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