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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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Java: Getting the metadata tags from a wave audio file

I've exported a wave (.wav) file from Audacity with custom tags in the metadata with the keys: LOOP_START and LOOP_LENGTH. Screenshot of the tags in the metadata editor in Audacity My only problem is I don't know how to get the values attached to…
wheat32
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Reverse-engineer Cubase .cpr format

I don't have an opportunity to buy Cubase, but my partner uses it a lot. I wanted to simplify his life and provide him with cpr projects instead of plain wav files, but no other software can open/save this format. I looked at a sample cpr he sent me…
Asalle
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How to control an Installed Program on Windows with python

I'm fairly new to Python, and am still in the process of learning it. I just want to know if the following is possible, and if anyone could give me a few pointers on where to start. I have ~6,000 audio files that need to be processed - reduce…
masshakar
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ffmpeg how to reduce bass and increase treble like audacity

I have an mp3 file. I want to reduce bass and increase treble. I am trying: ffmpeg -y -i original.mp3 -af "treble=g=10" test1.mp3 but its not same as the effect of Audacity->Effect->bass and treble (increase treble and reduce bass) below is the…
Santhosh
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How can I delete silence from the middle of .wav files in Audacity but not the edges?

I am trying to delete silence from an audio file using Audacity. There is a Nyquist plugin called Trim Silence which deletes silence from the start and end of a file, but not the middle. I would like to invert this, and delete silence from…
Ollyver
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Get duration of each word in an audio file

Is it possible to get an approximate duration of each word in an audio file? The closest thing (for audio files from youtube videos) is to download the captions file as an srt. The srt will then have the duration for each sentence in the video. I…
Karup
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How do I edit GNU Radio's file sink output?

I recorded a signal with GNU Radio using a file sink block which outputs a raw binary file that can be analyzed or used as a source of input into GNU Radio. I want to edit this raw file so that when I use it as a source inside GNU Radio it transmits…
vane
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Difference in amplitude from the same source using FFT

I have a question regarding use of FFT. Using function getBand(int i) with Minim i can extract the amplitude of a specific frequency and do pretty maps of it. Works great. However, this is a more of a curiosity question. When i look at the values…
Anders
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How to remove Music from a song and keep Vocals

I Have a movie sample with audio transcription (For Blind People- There is a narrator explaining what is going on in the movie). I want to extract that. What i so far tried was: 1- I have the sample without the transcription as well so i just…
Iamyer
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SoX: How to noise gate?

audacity has a noise gate plugin that works nicely. I am looking for a command line equivalent - but am unable to figure out SoX compand command to do it. Could anyone tell me the sox equivalent of audacity noise gate ? For example, I use in…
user428900
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ffmpeg cannot open a simple microsoft wav file exported with Audacity

I have exported a sound file to microsoft wav using Audacity. I am trying to open this file with ffmpeg : ffmpeg -i steps-stereo-16b-44khz.wav /tmp/test.ogg and here's the ouput I get : fmpeg version 1.2.1 Copyright (c) 2000-2013 the FFmpeg…
sebpiq
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Initializing PortAudio: Host error

I am trying to create a PortAudio application on Debian Wheezy 64 bit GNU/Linux. I read the documentation on how to do add the library and it compiles without errors. Now when I want to initialize PortAudio using this script: #include…
tversteeg
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Android: Microphone Volume Level (maybe), Automatic Gain, FFT, Butterworth, Audacity

I am trying to record a race bike's sound and analyse the recorded audio with FFT and find the engines frequency. If i only whistle, everything works fine, i can see a clear graph which corresponds to my whistling low and high and so on. I create a…
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PWM square wave decimator process in nyquist (audacity)

I am trying to create a PWM effect such that a square-wave is modulated with PWM to approximate the input selection in Audacity. One could use this to hear what their favorite music would sound like in PC (or Apple ][) Squeaker Fidelity LOL :-)…
Brian Jack
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sending a beep through microphone input

Is a way of creating a program (either in C(+,++,#) or VB.net) that would be able to send a beep sound through the same line-in that is being used for audacity (not stereo mix)? I am trying to make a way of syncing up audio and video from 2…
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