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Cymbals and stuff
wrote in message ... On Mon, 05 Jan 2009 17:24:18 GMT, (Richard Casady) wrote: On Mon, 5 Jan 2009 03:34:14 -0500, "Eisboch" wrote: "Calif Bill" wrote in message ... House a couple blocks away is home to a porfessional drummer. Has built a practice room inside the garage. Totally isolated from the garage and heavily soundproofed. You can barely hear him when the garage is open. I knew a guy who saved (and had all his neighbors save for him) the egg cartons that a dozen eggs came in at the store. This was back when they were made of cardboard and not Styrofoam. He stapled them to the walls, ceiling and inner door surfaces of his practice room an apartment. Once he had all the surfaces covered, you could barely hear him anywhere else. Eisboch They made 12x12 hatchery industry ones, which were the standard of the audio industry. Casady Besides, the egg cartons don't keep sound from being transmitted outside. They only serve to discourage and dissapate reflected sound in the room where they are installed. If done to extremes with the right materials and knowlege, you end up with an anechoic chamber, which is surprisingly undesirable for a recording studio. Totally dead is not totally good! That's a debatable subject among the home theater building crowd. I built a pretty decent theater in an unused garage in one of the Florida houses. Bought some high end speakers, (including an 18" digital Velodyne sub), constructed a huge screen using screen paint on carefully finished drywall. The projector was a fairly decent Hitachi. Anyway, we made the room virtually dead acoustically with carpeting, heavy drapes and acoustic panels. It was a weird sensation just standing in the room and talking. If you clapped your hands hard, there was absolutely no echo. But, when you played a movie in surround, the room came alive. The theory behind an acoustically dead room for home theater is that the main, center, side and rear surround speakers will do all the imaging and the audio will sound as it was intended to be heard by the producer with no additional effects introduced by the room acoustics and echo's. Good sound tracks done in surround have the desired acoustical effects recorded in. Eisboch |
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