Questions tagged [music]
The music tag has no usage guidance.
155
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MUSIC algorithm on CSI data
I am trying to write a simulation code to estimate AOA's from channel state informations(CSI) using MUSIC algorithm. I am using OFDM with 64 subcarriers. Is there any material on how to estimate AOAs ...
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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-...
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Can one use MUSIC algorithm to estimate DOA for a circular microphone array with a small radius?
I am trying to locate the sound source using MUSIC algorithm in a circular microphone array. The array that I am using is "ReSpeaker Mic Array - Far-field w/7 PDM Microphones", and the ...
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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 ...
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DSP function used by musical distortion plugins
In short: what kind of mathematical function was applied to this sine WAVE?
I am trying to implement my own distortion plugins. Amongst other things I have read several chapters of Will Pirkle's book (...
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Segmenting audio in its different parts using deep learning
I am trying to segment a song into its different parts. In pop music, it's common for a song to have a verse and a chorus. And they repeat. So it should be possible to use deep learning to find the ...
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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 ...
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FFT vs Gabor Transform
I am quite new to signal processing, so I would need some help regarding a project.
I am interested in increasing the bass of a song from Spotify. At first I was thinking that applying a FFT to it to ...
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Are there ways to reduce the smearing of zero-padding interpolated data?
Are there ways to reduce the smearing / spectral leakage of zero-padding interpolated data?
I learned that, given a small collection of samples, one can increase the frequency resolution of an FFT ...
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303
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Synthesizing piano
The sound of the piano is something very complex. There are various elements to consider such as action, hammer, soundboard, sympathetic resonance, tuning age and even room reverb.
Some companies (...
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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 ...
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Why MUSIC algorithm fail when the antenna spacing is larger than half wavelength?
I'm studying MUSIC algorithm for far-field DOA estimation. I found that when the antenna spacing $d$ is larger than half wavelength $(\frac{\lambda}{2})$, the algorithm fails and the spatial spectrum ...
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Why is the null of an adaptive beamformer narrower than antenna beam-width?
Question for those familiar with adaptive beamforming: Why is the null formed by an adaptive beamformer much narrower than the beamwidth of the antenna array?
Concrete Example
Suppose we have a simple ...
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Relation of pitch to frequency?only with fundamental frequency or also with harmonics?
How is pitch related to frequency.? If there is a pitch for a fundamental frequency, will that pitch be same for harmonics?
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MUSIC implementation in Pyroomacoustics library
I am currently using the multiple signal classification (MUSIC) algorithm provided by the Pyroomacoustics library in order to estimate direction of arrival angles and it works pretty well for both ...
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How to apply MUSIC to FMCW radar IF data?
I'm working on target extraction with raw FMCW ADC data. I arranged my received data in an (numADCsamples x numAntennas x numChirpsPerFrame) radar cube.
So far I am using range FFT and doppler FFT to ...
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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....
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Why mixing two sines sounds like a triangle?
I'm not sure where to post this question that is related to audio synthesis through programmation.
More specifically, I'm using a library called synthplayer that implement basic synthesizer in Python.
...
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Subspace Methods - Eigenvalues of the Signal Subspace
Subspace frequency estimation methods like MUSIC or ESPRIT decompose the signal correlation matrix into a signal and a noise subspace. Assume the signal model is given by
$$\boldsymbol{s} = \...
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How can I recognize and distinguish musical instruments by timbre? (without machine learning)
I understand that there is a the Timbre but I don't really understand how can I use it to differ them from each other and actually don't understand what is a Timbre, is it a graph? Is it a number that ...
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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 ...
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Identifying an Instrument
Say I have a file that contains a single musical instrument, how can I use python code to detect which instrument is it (ultimate goal), or at least what is the category of instruments it belongs to (...
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Weird crackling during audio playback - web audio api
I am using Web Audio API + extended Karplus-Strong algorithm to generate plucked string sound and play it.
The problem that I face is sometimes there's a weird crackling sound/thump when playing some ...
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Introducing Feedback to Miller Puckette's Time-Domain Pitch Shifting Algorithm without Discontinuities
I've implemented Miller Puckette's time-domain pitch shifting algorithm (http://msp.ucsd.edu/techniques/v0.11/book-html/node125.html) in PureData's help files in C++ (my code here: https://github.com/...
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Audio compressor delay/lookahead
I am making a real-time audio compressor/limiter. I am in little doubt about the delay. What is typical delay times for a compressors or limiters delay/lookahead time?
Most other compressors I see don'...
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How to detect repeating music?
Suppose you have a music data-file (for example mp3) with a single audio stream which contains an audio time-series for 3 hours, but you want to find out if that audio file (maybe some compilation) ...
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Synthesizing guitar sounds given a frequency
I'm trying to build a web app which plays a sequence of notes. The notes should have a timbre of different instruments. For now I only concentrate on a guitar synthesis. I'm using Web Audio API for ...
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Is it possible to "determine"/"evaluate" the perceived quality of a music audio/video record by using software in an automatic way?
I have a fairly large collection of audio/video bootlegs recorded at live performances by various artists. The recordings all come from very different sources and people through decades, and all of ...
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Middle C spectrogram in RavenPro
I've been trying to perform a cross-correlation analysis between a Middle C sound (C4) and C5. I'm using the software RavenPro by Cornell to do the analysis. However, I've been unable to see a ...
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Use music-doa on CSI
I have a matrix of Channel State Information (CSI) that is obtained from a WiFi card (using Linux CSI tool with intel 5300).
I try to use musicdoa() function in ...
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How to determine if certain notes exist within polyphonic music?
Given a segment of audio, if you were to calculate the histogram of frequency amplitudes for all standard musical note frequencies present in the audio, how would you check to see if 2-3 specific ...
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Number of antenna to perform MUSIC algorithm
When the MUSIC algorithm is used for direction of arrival (DOA) estimation it can identify up M-1 signals, where M is the number of array elements. MUSIC can also be used for spectral frequency ...
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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 ...
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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 ...
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FFT seems more accurate than MUSIC algorithm?
I created a signal with two sinusoids and added increasing amounts of random noise to it. The results of running the FFT and MUSIC on this signal are shown in the image below.
Ignoring the fact that ...
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What are features in signal processing using a more tangible or less abstract description
I'm learning about signal processing for music, and in my reading I keep finding the term "features". I find that they never really give a concrete example of what they mean by "...
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MUSIC algorithm for DOA with floating point input signals
I am writing a Direction of Arrival (DOA) estimator using the MUSIC algorithm in python and am having trouble getting the correct spectrogram output.
Specifically, my resulting graph comes out aliased ...
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How does one calculate a steering matrix for DOA given real data and only antenna positions
I am currently trying to implement the MUSIC algorithm for a real dataset which captures a sound signal in a room using a cubic 8 sensor array setup.
Every example I've found for the MUSIC algorithm ...
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MUSIC algorithm terminology
Looking for clarification on the notation described in the MUSIC algorithm in Ralph Schmidt's IEEE paper$^{[1]}$. The data model is:
$$X = AF + W$$
Schmidt defines the following:
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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 ...
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MUltiple SIgnal Classification (MUSIC) Implementation
I have a linear 4 element antenna array currently in my design, I am able to obtain the I/Q data from each antenna. Now I am trying to implement the MUSIC algorithm to obtain the AoA (Angle of Arrival)...
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Hw does a digital piano work?
I know someohow it combines different harmonics to synthsis note, but I don't exactly know how this happens. Does digital piano use pwm to synthesis a note?
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Intuitive explanation of subspace
There are many techniques in signal processing that use eigen analysis (MUSIC, SVD, eigen decomposition, etc) that result in signal and noise subspaces.The mathematical definitions for signal ...
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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:
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What is difference between frequency and pitch?in nutshell and simple words?
Although both are some how directly related
Such that when one increases,the other one also increases
I have read different Google results but couldn't understand .
I want to know what is exact ...
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Is it possible for Matlab to read and decode an mp3 file?
I have run the following Matlab code and I got a signal as shown in the Figure below.
...
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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 ...
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Music source separation: Incomplete notation in published IS-NMF/EM pseudo-algorithm?
In a paper by Fevotte et al. on IS-NMF, which describes algorithms/implementation for multiplicative and EM variants of IS-NMF, the following algorithm is provided for IS-NMF/EM:
In the algorithm's ...
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State of the art for automatic rhythm analysis
What are the currently most used and less error prone algorithms in the field of music information retrieval for beat detection and tracking?
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