Bitfake2 ~ Audio Tool Handler & Manipulator


Bitfake was originally created to detect fake .FLAC files through spectral analysis. It has since grown into a multipurpose CLI tool for handling music more easily and efficiently.

One common problem was that getting a track’s metadata required long ffprobe commands with messy output. Converting music with ffmpeg was also repetitive. The command itself is easy to remember, but writing scripts to convert entire directories felt inefficient and slow. This project now performs metadata and conversion tasks directly through linked libraries (TagLib/libsndfile/libav*).

Features:

  • Get metadata
  • Get ReplayGain info (useful for music players)
  • Spectral analysis on 44.1 kHz .FLAC files (higher sample rates may be misrepresented, so be careful)
  • Lossy diagnosis (banding score)
  • File Conversion + VBR Support (Works for outputs like .wav.flac.ogg.mp3.aac.opus)
  • Tagging metadata (Works for single files, but not directories yet)
  • Calculating ReplayGain and applying it to files (Works for track replay gain iterating through directories, album replay gain is a bit funky?)
  • Directory Conversion (works for all previously mentioned formats!)
  • CoverArt+ (Brings along cover art among all conversions!)
  • Organizing Files by album! (Give a dir of random music, and bitfake will organize it – ty to uncognic)
  • Directory Tagging (YAY!)
  • Album folder renaming from tags (Artist – Album (Year))
  • Spectrogram generation (in .png)
  • Version info (WOW! BEST YET!)
  • MusicBrainz Syncing data.

github.com/Ray17x/bitfake2
gpo.zugaina.org/app-misc/bitfake2
repology.org/maintainer/ray%40atl.tools/feed-for-repo/gentoo_ovl_guru

MeasureLab ~ Audio Measurement Suite


A collection of DIY audio measurement and analysis tools, grown organically as needed. This software is compatible with standard audio devices.

PyQt6 desktop app bundling 28+ DIY modules: signal generator, spectrum/PSD analyzer, sound level & LUFS meters, loopback finder, distortion/IMD tools, network/impedance analyzers, oscilloscope, spectrogram, ultrasound modulator, transient analyzer, lock-in/FRA, inverse filter, frequency counter, recorder/player, sound quality analyzer, noise profiler, boxcar averager, goniometer, BNIM meter (ITD/ILD neural map), HRTF Player, and more.

Built for hobbyists and engineers: device routing, calibration (input/output/SPL), multi-language UI, light/dark themes.

github.com/youtube-at-vach/MeasureLab
youtube-at-vach.github.io/MeasureLab

foobar2000 ~ foo_vis_spectrum_analyzer


foo_vis_spectrum_analyzer is a foobar2000 component that implements a spectrum analyzer panel. It is an attempt to recreate the foo_musical_spectrum component by fismineur for foobar2000 64-bit.

hydrogenaudio.org/index.php/topic,125031.0
www.foobar2000.org/components/view/foo_vis_spectrum_analyzer
github.com/stuerp/foo_vis_spectrum_analyzer

Online Spectrum Analyzer & Spectrogram Using Custom FFT


Resources:

en.wikipedia.org/wiki/Spectrum_analyzer

MAnalyzer ~ Normalizing Spectral Analyzer & Sonogram


MAnalyzer is an advanced spectral analyzer and sonogram plugin containing unique features such as smoothing, normalization, super-resolution, prefiltering and deharmonization. The included meters provide a peak meter and EBU R128 and ITU-R BS 1770-3 compliant loudness meter.

www.meldaproduction.com/MAnalyzer

Friture ~ Real-Time Audio Analyzer


Friture is an application to visualize and analyze live audio data in real-time. Friture displays audio data in several widgets, such as a scope, a spectrum analyzer, or a rolling 2D spectrogram.

This program can be useful to analyze and equalize the audio response of a hall, or for educational purposes, etc.

The name Friture is a french word for frying, also used for noise in a sound.

Friture helps you to understand audio data with several widgets:

  • spectrum analyzer
  • rolling 2D spectrogram
  • fraction-of-octave analyzer
  • delay estimator
  • etc.
image of the friture user interface

friture.org
github.com/tlecomte/friture
apps.microsoft.com/detail/9PH4BL3F5Q2H