Open Source Assembly Sound/Audio Software for Windows

ffdshow is an advanced DirectShow filter and Video for Windows codec (VFW) codec that supports many audio and video formats. For example: H.264, MPEG-4, MPEG-2, H.263, VP3, VP6, Theora, MJPEG, SVQ3, MP3, AC3, DTS, E-AC3, AAC, and Vorbis.

LAME is an educational tool to be used for learning about MP3 encoding. The goal of the LAME project is to improve the psycho acoustics, quality and speed of MP3 encoding. Note: we provide source code only!

MMC is a commander-style media player for Windows, with native, hw accelerated video playing and translucent gui. Mpxplay is a console audio player for DOS and Win32 operating systems. x264vfw, x265vfw and xAV1vfw are video for windows encoder and decoder codecs, useful with VirtualDub.

FLAC is a free lossless compressed audio format which supports streaming and archival. The FLAC project maintains the format and provides a reference encoder/decoder and input plugins for several popular audio players.

Mikmod is a module player and library supporting many formats, including mod, s3m, it, and xm. Originally a player for MS-DOS, MikMod has been ported to other platforms, such as Unix, Macintosh, BeOS, and Java(!!)

A crossplatform music editor for creating Commodore 64 music. Uses reSID library by Dag Lem and supports alternatively HardSID & CatWeasel devices.

This program will convert just two channels to full 7.1 covered surround scene. Real psychoacoustics on the fly. Absolutely new technology by phase interference and partial time shifting. Source channels dividing to fifty virtual channels to make their magic and combine to 7.1 You have to use "Equalizer APO" as engine. Please install it before continuing. https://sourceforge.net/projects/equalizerapo/

ffdshow is DirectShow and VFW codec for decoding/encoding many video and audio formats, including DivX and XviD movies using libavcodec, xvid and other opensourced libraries with a rich set of postprocessing filters.

ASAP (Another Slight Atari Player) plays and converts 8-bit Atari music (*.sap, *.cmc, *.mpt, *.rmt, *.tmc, ...) on modern computers and mobile devices.

A featureful SID-music creation tool (tracker) for the Commodore 64. It includes many advanced effects and tools like keyboard-tracking, tempo-programs/funktempo, gateoff-table-pointers, filter-shift, SID-export, executable-export, MIDI/XM conversion and MIDI-input hardware, etc., etc. NOTE: I left SourceForge for reasons not ethical to mention here. You can find me and my further work at these locations: http://hermit.sidrip.com http://csdb.dk/scener/?id=18806 https://github.com/hermitsoft/

XM player library written in assembly language. It's perfect for size- and speed-critical applications, click free, highly reliable, easy to use, open source, multiplatform. It is able to play even damaged and non-standard XM tracks.

PSID64 is a program that converts PSID and RSID files into C64 executables. This allows users to play PSID and RSID files (originally used by the PlaySID program) on a real Commodore 64 computer or emulator such as VICE.

IMYplay is a player for iMelody (IMY) ringtones / files (https://en.wikipedia.org/wiki/IMelody). IMYplay can use the following outputs to produce sound: 1. The Allegro game library (http://alleg.sf.net), 2. SDL (Simple DirectMedia Layer; http://www.libsdl.org), 3. ALSA (Advanced Linux Sound Architecture; http://alsa-project.org), 4. OSS (Open Sound System), 5. Libao (http://xiph.org/ao), 6. PortAudiov19 (http://www.portaudio.com), 7. PulseAudio (http://www.pulseaudio.org), 8. JACK1/JACK2 (http://jackaudio.org), 9. GStreamer (http://gstreamer.freedesktop.org), 10. PC-Speaker (at least Linux and DOS). It can also: - convert IMY ringtones to MIDI files, - convert IMY ringtones to WAV files, - write raw samples to an output file, - execute an external program on each note. See the project homepage https://imyplay.sourceforge.io and the project Wiki in the menu above.

MplayerXP is branch of well known mplayer (http://mplayerhq.hu) which is based on new (thread based) core. Main goal of this project is to achieve smoothness of video playback due monotonous CPU loading.

Fennec is a high quality (64-bit) media player/converter. With batch converting, joining, ripping, tag editing + multichannel support, media library, skins, DSP effects, visualizations, multi-channel equalizer and a completely new slide based interface... It can play/convert nearly 100 media file formats (inc. ogg, flac, mp3, mpc, mp4, flv, ape, wv...). Additional features including: automatic album art detection, media library, media file browser, quick search...

YAMP stands for Yet Another Multimedia player. It's a multimedia player for the xbox. It can play most of the audio/video formats known.

Juno 6 is an VST based virtual Analogue Synthesizer for Windows written in C++, that emulates the sound technics of the original Roland Juno 6/60 Synthesizer. the project itself is based on the ultramaster juno 6 linux sources

Game audio/data format extraction/conversion/injection tool/media player. Supports over 43 Xbox1/Xbox360/PC formats.

lossyWAV is a lossy audio pre-processor for WAV PCM audio. It reduces the bit depth which adds a predetermined level of noise to the output. The bitrate of the FLAC encoded lossyWAV output is significantly reduced compared to the lossless FLAC original.

Primary goal is to develop 4k-demos, that is, demos that somehow fit into four kilobytes. From time to time, 4k-contests will be initiated to push the project contributors' motivation.

Aamir Media player plays 30 formats of audio/video files with very small size but with great functionality.

Vector Tangent is dedicated to bringing the game programming community innovative, fun, open source game software and knowledge so as to benefit the novice game programming community (we focus mainly on 2D games).

CrewOrion is programmers group, doing 'all kind' cross-platform opensource applications.

Delphi port of "maplay" version 1.2. Play mpeg audio from your Delphi project without any external libraries or DLLs.

Graoumf Tracker 2 is a soundtracker for Windows, sequel of the famous Graoumf Tracker for Atari Falcon. It is a integrated music sequencer and advanced sampler, including inovative features. Coded in C++.