This python script will detect modem events like DTMF Digits, Busy Tone, Silence etc from phone line using Raspberry Pi 3. Seems to do audio signal analysis to do this.
Audio effects for Pulseaudio applications. Plugs itself into Pulseaudio and implements a full audio engineering board. Limiting, expanding, compressing, exciting, reverb, pitch, gating, EQ, and more.
Through years of trial and error - skipping around internet radio stations, playing our entire music collections on shuffle, or just hammering single albums on repeat, we have found that the most effective music to aid prolonged periods of intense concentration tends to have a mixture of qualities. This is a site of mixes contributed by various people to hack to.
Console-based Audio Visualizer for ALSA. Also supports audio input from Pulseaudio, MPD and sndio.
An application that lets any laptop act as a DJ console. With it, you can mix audio files in many formats.
An open source utility for Linux that seeds the kernel's random number generator with data pulled from an attached microphone.
A page collecting various fixes for broken sound support in later releases of Fedora Core.
linux fedora fedoracore howto sound help tips
This is a thing of beauty.
Simply Noise is an online white, pink, and brown noise generator. Good for sleep, deadening noise, concentration, and stress. There are also apps in the iProduct and Android stores that do the same thing (both $0.99us).
Ren'Py is a game engine written in Python which makes it easy to develop certain kinds of games, namely, manga-style visual novels, turn-based battle games, space opera games, and point-and-click games similar to the old-school Lucasarts games (Maniac Mansion, et al) by incorporating Python development into the game authoring process. Incorporates a scripting engine to lay out the game, lets you use any or all of the Python sound and graphics libraries to implement the audiovisual content. Includes its own visual development environment (IDE) for implementing your game.
A software synth designed with livecoding and codejamming in mind. Optimized for the Raspberry Pi. FOSS Designed with classrooms in mind but certainly not necessary. Looks like a clean and straightforward programming language. You can definitely perform with it. There's a free to download ebook about it available on the usual appstores. soundsculpting Can also play back samples with it, not just building synth patches. Available in the Raspbian default package repository.
A father-and-sons team that make ten minute audio loops of all kinds of background sound, from wild west saloons to airliners, circuses, rivers, towns, science fiction setings, and more. Great for ambience for tabletop RPGs.
An /*duino/i shield which emulates an MOS 6581... the SID chip.
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