HEATKEYS

A High-Quality Web-based Audio Frequency Signal Generator. 96kHz Sample Rate. Generate sine waves, sweep tones, noises and other sound test waveforms, online!

MediaCollege.com is a free resource site, suitable for anyone with an interest in audio-visual media. Tutorials and articles include everything from video production to website design.

Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?

Tests your audio equipment, speakers, room acoustics and hearing. Audio signals and test tones playable online. High resolution sound test files available for free download.

SoundBible.com is the encyclopedia of free sound clips and may just be the last sample resource you

Free sound effects in wav and mp3 formats

Tribute to the Telephone; A history of telephones, telephone companies and services

Music library for TV, Film and all media featuring high-quality music and Hollywood sound effects from thousands of independent composers, artists, producers and bands. AudioSparx is the definitive source for TV and film music and sound clip...

Free Sound Effects, Royalty Free Music Downloads, Free Background Music for film, video games, websites.

SoundJax is semi autonomous sound search engine that indexes and renders waveforms, tags, and catalogues audio from the internet. SoundJax promises to be the future of sound search. [Beta Testing]

Stock Music, Royalty Free Music, and Free Sound Effects for creative audio-visual projects including, YouTube, websites, TV, film, and video games.

WavSource.com is a comprehensive, yet free, compilation of thousands of choice sound bites and sound clips from all sorts of sources, including movies, TV, news, sports, sound effects, historical events, computer system events, and much more. Categor...