informal tests with Blackberry show much improved response (i’m actually a bit surprised; i would have expected the Blackberry to be engineered to eliminate as much background noise as possible). Sounds lasting over about 1/2 second from what i could tell though were attenuated quite a bit. tests with 250ms per 100 hz step actually [...]

Posted in ITP Spring 2008, Interactivity for All No Comments »

Initial tests with LG8100 cell phone (my old skool phone), recording to WAVs on an Asterisk server. Purpose is to roughly determine usable frequencies via cellphone. Older references on POTS system indicate usable range is 300hz – 3khz; System uses XP100 card, echo cancellation enabled, no TX/RX gain, 5 seconds of pure (well, relatively pure [...]

Posted in ITP Spring 2008, Interactivity for All No Comments »