Wax ~ Catalog & Play Recordings


Wax is a program for cataloging and playing a collection of music recordings. Wax is able to rip CDs and import downloads so that you can create a sound archive complete with metadata.

Wax is fundamentally different from existing music managers in two important ways. First, the fundamental unit for recordings is a “work”, not a track. A work is usually a collection of tracks. It can encapsulate whatever tracks you choose. In pop music, a work can be an album. For symphonic music, a work can be a single symphony, even when the tracks come from a CD with more than one symphony. For operas, a work can be a single opera even when the tracks come from multiple CDs. Music collectors usually think in terms of works, so a music manager that supports the concept makes operation more natural.

The other distinguishing characteristic of Wax is that genres are fundamental to the organization of a collection rather than a mere attribute of a track. Wax recognizes that the ideal way to catalog works varies by genre. For example, symphonic works can be cataloged by composer, work, conductor whereas shows can be cataloged by show, composer, lyricist. By organizing collections around genres, Wax supports an operation sequence that is natural for music lovers: first select the genre, then the work, and finally the tracks.

github.com/jeffbarish/wax
github.com/jeffbarish/wax-install

Cardinal ~ Virtual Modular Synthesizer Plugin


A fully free and self-contained modular synthesizer based on the popular VCV Rack. Available in AudioUnit/CLAP/LV2/VST2/VST3 plugin formats and as a standalone app for FreeBSD, Linux, macOS, Windows and the Web.

cardinal.kx.studio
github.com/DISTRHO/Cardinal

Cavalier ~ Visualize Audio With CAVA


  • 11 drawing modes!
  • Set any single color, a gradient or an image for background and foreground.
  • Configure smoothing, noise reduction and a few other CAVA settings.

github.com/NickvisionApps/Cavalier
Cava ~ Cross-platform Audio Visualizer

rt_pvc ~ Realtime Phase Vocoder


rt_pvc is a:

  • real-time phase vocoder library for synthesis/analysis
  • vocoder application that allows the user to do time-expansion, frequency expansion, and cross-synthesis in real-time, from mic-input or from file.
  • real-time phase vocoder visualization
  • learning tool that teaches about the phase vocoder and its implementation
  • open source!

soundlab.cs.princeton.edu/software/rt_pvc
aur.archlinux.org/packages/rt_pvc

rt_lpc ~ Realtime Linear Predictive Coding


rt_lpc is a light-weight application that performs real-time LPC analysis and synthesis. It features the following:

  • real-time LPC analysis
  • real-time LPC synthesis
  • visualization of original, predicted, and error waveforms
  • visualization of vocal tract shape from LPC coefficients
  • adjustable LPC analysis order
  • adjustable synthesis pitch shift
  • MIDI controlled pitch (hit ‘m’)
  • lots of other choices (pitch pulse source selection, emphasis filter)
  • STFT plot
  • modular LPC library
  • available on MacOS X, Linux, and Windows under GPL
  • part of the sndtools distribution

soundlab.cs.princeton.edu/software/rt_lpc/
en.wikipedia.org/wiki/Linear_predictive_coding
github.com/lewark/lpc.lv2

sndpeek ~ Realtime Audio Visualizer


sndpeek is just what it sounds (and looks) like:

  • real-time 3D animated display/playback
  • can use mic-input or wav/aiff/snd/raw/mat file (with playback)
  • time-domain waveform
  • FFT magnitude spectrum
  • 3D waterfall plot
  • lissajous! (interchannel correlation)
  • rotatable and scalable display
  • freeze frame! (for didactic purposes)
  • real-time spectral feature extraction (centroid, rms, flux, rolloff)
  • available on MacOS X, Linux, and Windows under GPL
  • part of the sndtools distribution.

www.gewang.com/software/sndpeek
soundlab.cs.princeton.edu/software/sndpeek
www.cs.princeton.edu/sound/software/sndpeek/look

GLava ~ OpenGL Audio Spectrum Visualizer


GLava is a general-purpose, highly configurable OpenGL audio spectrum visualizer for X11.

github.com/jarcode-foss/glava

Cava ~ Cross-platform Audio Visualizer


Cava is a bar spectrum audio visualizer for terminal or desktop (SDL).

Cava works on:

  • Linux
  • FreeBSD
  • macOS
  • Windows

This program is not intended for scientific use. It’s written to look responsive and aesthetic when used to visualize music.

github.com/karlstav/cava
Cavalier ~ Visualize Audio With CAVA

SongRec ~ Linux Shazam Client


SongRec is an open-source Shazam client for Linux, written in Rust.

github.com/marin-m/SongRec
flathub.org/apps/com.github.marinm.songrec

Brasero ~ Gnome CD/DVD Burner


Brasero is a GNOME application to burn CD/DVD, designed to be as simple as possible. It has some unique features to enable users to create their discs easily and quickly.

wiki.gnome.org/Apps/Brasero
www.linuxlinks.com/brasero
en.wikipedia.org/wiki/Brasero_(software)

Audio Share ~ Share Audio To Android


Audio Share can share a Windows or Linux computer’s audio to an Android device over a network, so your phone becomes the speaker of the computer. 

github.com/mkckr0/audio-share
sourceforge.net/projects/audio-share

RTL Utility ~ Measure Round Trip Latency


RTL Utility is a tool for measuring the Round Trip Latency of your Digital Audio Workstation (DAW) and audio interface. The utility is used for low latency performance testing by system builders, reviewers, device manufacturers and at dawbench.com.

When your DAW sends data to your audio interface for playback, it doesn’t send a continuous stream of data one bit at a time. What it does is fill up a section of RAM called a buffer and sends that in a single message when it is ready. Before sending the next message it has to fill the buffer again. This wait time introduces a latency, or delay, between something happening in your DAW and when you actually hear it.

While you are recording, the audio interface buffers and sends data to your DAW in a similar fashion. This introduces latency into your recordings.

If you send a signal from your DAW, out through the audio interface and back in via a loopback patch, then there will be a round trip latency which is the sum of the output and input delays. This is the RTL.

oblique-audio.com/rtl-utility