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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 can I use cmake to download and build ALSA and PortAudio libraries while building audacity from source?

I'm trying to debug audacity that I build from source. The build process is managed by cmake, and the dependencies are handled by conan. 2 main dependencies are portAudio and ALSA libraries. I'd like to integrate building of these 2 libraries into…
ahzahraee
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Mix 8 bit audio files in flutter

I am trying to mix multiple WAV files into one using mixing algorithms I found in chatGPT answers and other websites. I tried with simple step of mixing audio using the below code: double mixingRatio = 0.5; Uint8List? list = fileData1; …
Muhammad Faizan
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ProgrammingError sqlalchemy.exc.ProgrammingError: (psycopg2.errors.UndefinedColumn) column todos.completed does not exist

I'm trying to complete a Udacity project and the code supplied is not running. It is supposed to be a todo app that can perform CRUD functions. I am struggling to perform the delete function on the code. So far i have done the CREATE, READ, UPDATE…
Ada
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How to get raw data from m4a file with AVAudioPCMBuffer in correct way ? Swift

I try to record with an iPad and get raw data, like importing an m4a file into Audacity, the displayed waveform is what I want, but when I try to do something similar in Swift, I get wrong numbers Here is my code: the recording part let…
pekkabear
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What is a good way to draw a waveform with pyqt6?

Currently making an application which allows me to make a lightshow with some custom build LED-Controllers and for that i need to draw the waveform of the song on a widget. Although I managed to do this it is still VERY slow (especially with .wav…
NoWayOut8344
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Nyquist Retrieving the samples start times end times etc. into a text file

Nyquist plugin for Audacity that counts syllables: I have not been able to find how to get the samples info into a text file. They are in ny:all, I need to use the fall times of the (yin (yin s-in (hz-to-step 100) (Hz-to-step 1000) for timing…
Christopher
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FFT analysis vs Audacity

I try to design a simple tool to analysis frequency from wav file. Here is the simple example I try: import numpy as np import wavio from matplotlib import pyplot as plt from scipy.fft import fft input_wav_path = "song.wav" signal =…
dev dev
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Why is this sine tone I generated messy (in .wav file)?

So, I have been trying to make a WAV format file from scratch in C. The thing is, I can't wrap my head around as to why the sine tone is this noisy (see the screenshot below). I thought there's something wrong with my sine generating sequence, but I…
mantaflow
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Replacement for pa_alsa_linux.h and pa_jack.h with pipewire

I'm running Pop_OS 22.04 (which has pipewire audio) and audacity is hanging on launch (unless it is launch with sudo, which seems quite odd). To try and debug the system, I'm trying to build audacity from github sources. In the initial configuration…
ralmond
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How do I format a raw audio file to import into Audacity?

I am trying to generate PCM (pulse-code modulation) code in JavaScript to be imported into Audacity as raw data. After running my code, I copied and pasted the displayed text into https://www.oflox.com/blog/txt-file-generator-online to save it as a…
coder_noob
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Audacity - Joining two audio parts Issue - I get a weird audio "spike" "bleep sound" at the connection point (see pictures)

I am having this weird issue when joining two audio parts together in audacity, any ideas/suggestions on how to correct this?. (see pictures below). two audio parts before join two audio parts after joining
spider23
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Compiling Audacity for ASIO support

Using: Audacity 3.1.3 (Source clone from git) Python 3.9.6 (Env Variables setup correct) Conan 1.48.1 CMake 3.23.2.0 (Using the cmake-gui application for this) Visual Studio Community 2019 v16.11.15 with "Desktop development with C++"…
Kuroi Akuma
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Periodic function generator, wavelength error after thousand of cycles

I am generating from C++ code various forms of a PCM sound wave using composed harmonics of sine functions, then after importing file in Audacity to see the result, import is done at a maximum sample rate Audacity can support for raw data files…
LXSoft
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Audio signal Filtering

I am trying to filter audio signal with a butterworth bandpass filter (C# from NWaves Nuget) then use audacity to get the frequency analysis of filtered signal to check and validate the result. Raw signal No filter I used NWaves nuget to get the…
dodoSoundlife
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Crazy audio PCM file

I can't figure out why two non-identical raw files are exactly the same when imported into Audacity. Let me explain, I have a 16-bit pcm file named file1.pcm, I import it into audacity with the parameter: (Signed 16-bit PCM, Little-endian, mono,…
Gpouilly
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