HEATKEYS

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

NoiseAddicts is a Music and Audio virtual magazine. This music blog is for anyone who is interested in music, audio technology, musicians, musical instruments or audio-related stories and news

Download here useful mp3 to test your audio systems. Pink noise, sweep, sinus, etc An alternative to audio test tones generators

NPR delivers breaking national and world news. Also top stories from business, politics, health, science, technology, music, arts and culture. Subscribe to podcasts and RSS feeds.

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.

Topend Sports is the ultimate sport and science resource, containing comprehensive information about sport, fitness, training, testing and nutrition for trainers, sport scientists and athletes at all levels

YouTube is a place to discover, watch, upload and share videos.

Audio Precision makes the 2700 Series, the highest performance audio analyzer in the world and the APx Series, the only dedicated multichannel audio analyzer in the audio test market.