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Questions tagged [beat-detection]

24 questions
80
votes
10 answers

How to detect the BPM of a song in php

How can the tempo/BPM of a song be determined programmatically? What algorithms are commonly used, and what considerations must be made?
haresh
15
votes
2 answers

How can I use JS WebAudioAPI for beat detection?

I'm interested in using the JavaScript WebAudioAPI to detect song beats, and then render them in a canvas. I can handle the canvas part, but I'm not a big audio guy and really don't understand how to make a beat detector in JavaScript. I've tried…
undefined
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13
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2 answers

how to indentify finger is on the camera lens or not in android?

I am trying to measure Heart Beat using the camera in android device. As far as i see, Placing your finger tip on the camera lens and watching the changes in frames in camera. I have tried the application here but it does not seem to be correct.
Dara Saini
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11
votes
5 answers

What type of file is the "sound fragment" parameter for audioop?

The Python audioop documentation states that most of the available functions require "sound fragments." The audioop module contains some useful operations on sound fragments. It operates on sound fragments consisting of signed integer samples 8, 16…
camden
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10
votes
2 answers

Audio spectrum extraction from audio file by python

Sorry if I submit a duplicate, but I wonder if there is any lib in python which makes you able to extract sound spectrum from audio files. I want to be able to take an audio file and write an algoritm which will return a set of data…
Maksim Khaitovich
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6
votes
1 answer

Aubio for BPM tracking on Android

I am working on a android audio project which requires BPM tracking. I decided that writing my own would not be a good idea and after looking around, I found a few libraries that does BPM tracking such as aubio, vamp, echonest etc. Out of the lot…
Gan
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5
votes
1 answer

How do I use minim library in a java application to detect the beat of an audio source?

Hi everyone! I am totally new to audio programming and would like to build a Java FX application that interact with audio from my microphone or line out. I searched google for libraries and found minim which seems pretty popular. It is written for…
David Berg
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5
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1 answer

Is the Web Audio API useful for doing faster-than-realtime audio analysis?

I have been trying to establish whether the Web Audio API might be useful for analysis of audio data pulled into an ArrayBuffer in faster than realtime. Possible applications would be doing beat detection, pitch detection, etc., in the browser…
JoshMock
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4
votes
0 answers

Beat Detection Algorithm

I'm currently working on an idea for a game i have that involves beat detction. Th engine im working with is Unity, and I've never had any experience with audio, coding wise, so be gentle :) I've looked at several articles and tested out several…
Daedalus
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4
votes
3 answers

Detect beat and play (wav) file in a synchronised manner

I am trying my hands at Audio Processing in python with this Beat Detection algorithm. I have implemented the first (non-optimized version) from the aforementioned article. While it prints some results, I have no way to detect whether it works with…
WeaklyTyped
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3
votes
1 answer

BPM detection in iOS using soundtouch library

I am trying to implement beatdetection within an iOS application. I found a fairly simple framework called SoundTouch and tried to implement this according to iOS SoundTouch framework BPM Detection example Unfortunately none of my following efforts…
Alex van Rijs
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2
votes
1 answer

Live rhythm detection

1. Is it possible to do live rhythm detection? It'll be great to make an app which will help people to detect the rhythm on unfamiliar song on the fly. Even if the app will be bounded to a few genres. I.e. Salsa Beat Machine, but they work offline…
VB_
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1
vote
0 answers

Example for BeatDetect Minim

I am using this code to record the current sound. I need now some processing to detect the beat from music. I want a LED go on/off according the incoming music. I think BeatDetect is an useful library for my project, however I cannot find a good…
tomhogenkamp
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1
vote
0 answers

beats per minute algorithm using only one data variable of type byte stored in an array of byte

I'm getting real time data as byte and plotting the data using timer variable on a graph using vb.net. i want to calculate beats per minute from the graph. I've read about many peak detection algorithms but all assume to have two variables for their…
guilemon
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0 answers

How can I known whether it is a beat now of the current mp3 music in Android

I'm trying to develop such a android app: when it is druming or beating now of the current playing music, I can do something. So I should analyse the current music first, and then I should decide whether it is beating now! I have test the Android…
user3114230
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