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Questions tagged [audacity]

free software, cross-platform digital audio editor and recording application

Audacity is a free software, cross-platform digital audio editor and recording application. It is available for Windows, macOS, Linux and BSD.

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How to specify the noise floor in FFmpeg's acompressor filter

I've always used Audacity's Dynamic Range Compressor if I wanted to crank up the volume of an audio file. Today I was looking at whether I could do the same with FFmpeg's acompressor filter. I've found "how to user "compressor" with ffmpeg" and…
Reino
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recording streaming audio with huge periods of silence

I'm using darkice (http://darkice.org) on a Linux box to capture an audio feed from a fire department radio system. It works great and I can forward the stream to an Icecast2 (https://icecast.org) server so the firefighters can listen to live radio…
Kevin
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Interpretation of .wav samples

I am trying to interpret a .wav file in order to analyze different aspects of an audio file, but I can't quite seem to get the data sampling portion correct. I have an audio file (Me holding middle c on a piano) as follows (written in hex to be…
Steve Pulse
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Add Silence to multiple tracks in Audacity

I have hundreds of audio tracks and I want to add Silence before all tracks. I know it can be done through Chain, but I do not know how exactly it can be done. PS: The following I have tried: File> Edit Chains then File> Apply Chain> Apply to…
pkj
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Combine (not merge) audio files in Audacity with time gap

I would like to combine few audio files to one long audio file. I was able to align them by Select All> Tracks> Align Tracks> Align End to End and then combine by Tracks> Mix and Render. But I would like to insert one second silence in-between,…
pkj
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How to instantly play an audio clearly using javascript without any lag?

I am developing a Javascript based app in which I use a clapping sound whenever a user clicks a button. The sound must play as soon as the user clicks the button(There should be no lag). I recorded the sound using audacity and saved it in wav…
Sandeep Thedarkprince C
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VST Plug-In: How to implement a "lookahead" buffer?

My goal is to write a VST plug-in that should work in Audition and Audacity, so I'm planning to go with VST v2.x. I'm new to VST development, but I have studied the examples here. And so far most stuff looks pretty straight forward. The main "magic"…
MuldeR
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How can I Remove a Wandering DC Offset from an Audio Clip?

I've licensed some audio clips, but some of them come with what I have learned is a "DC Offset" that should normally have been removed during production. Audacity's "Normalize" filter is able to fix a static DC Offset, but after applying it to my…
Cygon
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How does Audacity mix audio samples?

So let's say I want to mix these 2 audio tracks: In Audacity, I can use the "Mix and Render" option to mix them together, and I'll get this: However, when I try to write my own code to mix, I get this: This is essentially how I mix the…
puggsoy
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Recording multi-channel audio input in real-time

I am trying to perform Time Difference of Arrival in real-time using the PS3 Eye. Since it has a built-in 4 microphone array, I've successfully rearranged the array into a square array and cross-correlated the signals using MATLAB to obtain a…
user2962621
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ffmpeg video and audio out of sync, slower (44100 to 48000)

I downloaded few live videos from Twitch using a youtube-dl command, but in the original video the audio have sampling rate in 48000 and youtube-dl saved the video in 44100, turning the video slower and the audio pitched. When i opened the audio on…
Derel
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Writing to named pipe - Errno 22 in Pycharm only

I'm trying to send commands to Audacity using a named pipe, which can be tested using: (https://github.com/audacity/audacity/blob/master/scripts/piped-work/pipe_test.py provided by Audacity) import os import sys if sys.platform == 'win32': …
C. De Petter
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Why does librosa plot differ from matplotlib and audacity

I am reading pcm data from a file and then plotting it. Ive noticed that the plot varies between librosa.display.waveplot, plot and audacity. Here is the code and images %matplotlib inline import matplotlib.pyplot as plt import…
netskink
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How to Add the ''EditText:searching field'' to my Java and make it Interactive?

I started learning about making apps in Android Studio few days ago , and my goal is to build an app that Shows a list of book with certain details by fetching Data from the GoogleBook Api , i want to know how to display the result on the screen…
Kadi Simpson
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Replicating Spectogram of Audacity?

I'm trying to plot the spectrograms of audio samples. While I plot it using my code given below, it figures out to be weirder. However, I imported them into audacity which came out to be so nice. Suggest me the changes I need to make in order to…
satabios
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