HEATKEYS

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.

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

Electronic circuits projects and diagrams

Head-Fi.org: Head-Fi covers headphones, portable audio, earphones, earbuds, headphone amplifiers and audiophile equipment.

Hear the world - an initiative by PHONAK

Official NBC site for primetime, daytime and late night television shows. Television (TV) network includes soap opera, reality shows and more. Find additional information on the official NBC TV site.

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

The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.

One of the best hearing tests on the Internet. Bookmark this page and run this test periodically to monitor your hearing.

Software products in the area of speech and hearing

National Weather Service Home page. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the weather, and information about meteorology.