Serving the Acoustics Community Since 1994
Cross-Spectrum Acoustics Inc. offers Sound & Vibration Consulting Services
There have been quite a few comments on the web regarding the New York Times article on Bang & Olufsen’s new loudspeaker product (for example, here, here, here, and here among others). In addition to the Dave Moulton designed tweeters, the auto-magic room-equalization function seemed to elicit a lot of comments.
Coincidentally, a thread was started on alt.sci.phyics.acoustics that brings up a relevant point: equalization is useful to tweak system performance, but it can’t correct for gross room acoustics problems. At some point, you need to deal with the room using surface treatments, diffusion, speaker placment, etc. That’s why God created acousticians.
Didier Depireux answers the question “Do you really hear the sea in a seashell?”
It all started with a 15-year-old’s science fair project. The end result is a product that claims to kill mosquito larvae using sound waves.
Nick’s Auditorium chronicles the history of film sound technology, from 1927 to the present.