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Questions tagged [audio-analysis]

To be used for questions related to the process of analyzing audio streams or files.

The process of analyzing audio streams or files.

93 questions
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How to silence specific words in an audio file using python?

I want to mute specific words in audio files. I have a list of words that should be muted. I have tried converting the audio file to text using this code but how can I get the time frame of each word so I can mute them? import speech_recognition as…
Hassaan Awan
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Output of the audio file when using wavfile.read() does not originate from zero

All of my audio files that I am using producing an output that does not make sense for me when using wavfile.read() I do not why. For example output of one file is Example of the output of one of my audio files why is it not originating from zero…
Mahmoud M Hassan
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Load audio from google storage using google colab (Python)

i save my audio file in google storage in wav format, but when i try to load the audio using google colab, i not manage to done it. below the example i used to load audio from google storage. import numpy as np import IPython.display as ipd import…
que23
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Sound Wave Peak Detection (Cricket Chirping)

I am looking for a way to code or find a program that can record the chirps of crickets either live or through a prerecorded audio file (large ~24 hours) for a lab experiment. I'm not too sure how to approach this as I'm a web developer, but I have…
Jayson Tian
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Python silence specific part of audio file

I have an audio file audio.wav and I have an array of time frames looking like this one: X = [(12.31, 14.), (15.4, 18.9), ...] These are the time frames that I would like to be completely silent in a .wav audio file that I have. How can I achieve…
Petar
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Three.JS - AudioAnalyser() not working with audio source as Stream type in Safari

I'm developing a streaming radio in 3D using Three.JS, I'm sending music as a PeerConnection to my clients attaching a THREE.AudioAnalyser() to display 3D bars that move according to frequencies. Sound is working great in all platforms, but…
c4b4d4
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Positional a-frame sound analysis

I want to have positonal audio using Aframe sound component. But I want to also be able to analyse said audio with audioanalyser node. Audio analyser requires source specified but it seems it only works with
doku
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Finding prominent frequency from FFT

I've set up a python audio stream and fft using bits of code for an audio spectrum analyser https://github.com/markjay4k/Audio-Spectrum-Analyzer-in-Python/blob/master/audio%20spectrum_pt2_spectrum_analyzer.ipynb (I removed all the plotting code), I…
Peter
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How to recognize and match patterns in audio segments of 2 or more short audio files using Python?

I'm working on a prototype, where I'm trying to find and match patterns between 2 audio files. As a naive example, let's assume we have two 5secs audio files which has my recordings as follows: 1. "I love dogs." 2. "Dogs are amazing!" Here, I want…
not-a-bot
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Detect if two audio files are generated by the same instrument

What I'm trying to do is to detect in a small set of audio samples if any are generated by the same instrument. If so, those are considered duplicates and filtered out. Listen to this file of ten concatenated samples. You can hear that the first…
Björn Lindqvist
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How to compute the envelop of signal in js

I have a system that register sound from guitar chords to an Arduino. The result for each chord is an array of numbers between 0 and 1024. So one array represent an audio spectrum. I send each array to a nodeJS server. I'd like to compute the…
MrFlo
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Formation of folder redundantly

I have the following structure. I want to iterate through sub folders (machine, gunshot) and process .wav files and build mfccresult folder in each category and the .csv file in it. I have the following code and the MFCC folder is keep forming in…
Rahna K.M
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Audio recognition from a video

I need to know the exact timeframe location from a Video using a small part of the audio. I will prefer using an external api, using google, amazon or Microsoft Voice/Audio solutions. Anyone knows what can I use? thanks.
Carlos C
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Azure Media Services V3 audio analyzer transcript 10 minute limit

I have a project that uses Azure Media Services to broadcast video streams and when a broadcast ends it feeds the generated Asset to a Job to extract insights from it. The problem is that it generates all the insights data perfectly but the…
Javi Mollà
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Can I access the local audio output stream from Chrome using the webAudio API?

I am trying to do some audio analysis for a visualizer running on my computer. Is is possible to access the output audio data stream directly from the browser? Currently running JavaScript with the three.js and meyda libraries. I've figured out how…
Chris Petrone
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