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

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

SoundScapeExplorer ~ Process, Visualize & Explore


SSE is a powerful and versatile software environment designed for soundscape visualisation and quantification. It provides a robust platform for processing audio files, generating useful metrics, and presenting data through intuitive visualisation interfaces. Catering to bioacousticians and data scientists alike, 

SoundScapeExplorer Icon

SSE encompasses an extensive range of tools and capabilities to fulfil diverse user requirements.

sound-scape-explorer.github.io
github.com/sound-scape-explorer

Akkeyrdion ~ Chromatic MIDI Keyboard Accordion


Turn your computer keyboard into a chromatic accordion keyboard. Ah, but it already is…

Supports both right and left hand system, currently:
– C griff (right hand)
– B griff (right hand)
– Stradella (left hand standard bass system)

sourceforge.net/projects/akkeyrdion

MusicSync ~ Synchronize Music Libraries


MusicSync is a cross-platform tool that synchronizes your music library between devices and drives with advanced settings.

You can use it through CLI, that makes easy to sync you library with only a click using a script, or through GUI, that is more user-friendly. Here there are two examples:

python musicsync D:/Music sdcard/Music --adb --min-rating 4.5 --output-format opus --output-bitrate 128k
python musicsync D:/Music sdcard/Music --adb --min-rating 3 --min-year 2020 --output-format opus --output-bitrate

github.com/serpest/MusicSync
hydrogenaud.io/index.php?topic=121169.0

GMetronome ~ Gnome Metronome


A free software metronome and tempo measurement tool for composers and musicians.

gitlab.gnome.org/dqpb/gmetronome

Euphonium ~ Multiplatform Extensible Audio Streaming


Euphonium is a highly extensible audio streaming software. It’s multiplatform, also supporting low cost MCU’s like espressif ESP32 series.

Features:

  • Clean and lightweight web-ui.
  • Supports multiple plugins: Spotify streaming, Bluetooth (on esp32), Web Radio, Jellyfin.
  • Fully modular architecture.
  • Easily extendible and portable to new hardware, thanks to the internal Berry-lang powered scripting engine.

Required hardware for esp32:

  • Any ESP32 chip with at least 4MB of flash and 4MB of PSRAM. Wrover chips are usually a good call. 🙂
muvox-io.github.io/euphonium
github.com/muvox-io/euphonium