3 ms·

"When I played in a band, we had to work with the club’s sound engineer or bring our own to get a balanced sound setup before the audience showed up. The more r

"When I played in a band, we had to work with the club’s sound engineer or bring our own to get a balanced sound setup before the audience showed up. The more recent gigs showcased an interesting technology, a system that generated pink noise through the actual sound system, from the original sound sources before the mixing board, all the way through power amplifiers to the speakers at front of house. The engineer put a reference microphone in a strategic position, turned on the pink noise generator, and twiddled equalizer knobs to get a roughly even spectrograph (plus unavoidable “sound-guy magic” to de-equalize somewhat for specific gig purposes like dancing or seated listening) for the whole room, using the actual speakers and sound-reinforcement equipment we would be using." For stage shows, having a proper computer driven sound system with a large array of small transducers would let you do stuff like having the audio follow the position of the instruments and voice accurately, as well as doing some really silly things, like rotating 3d soundfields. It takes some reasonably serious hardware and knowhow though. A good starting point is here - http://www.york.ac.uk/inst/mustech/3d_audio/ambis2.htm http://www.york.ac.uk/inst/mustech/3d_audio/ambis2.htm edit - that Behringer thing sounds really cool though, makes me wonder how hard it would be to code something like that in pure data or similar. https://puredata.info/ https://puredata.info/

wintry757 11y ago
I am not sure my loved ones would allow me to add 39,990 speakers to the already-intrusive 10 around the living room in order to achieve ambisonic excellence. I do not completely agree with them, although your suggested approach sounds like it might work better in the basement where I have more room and fewer shared furnishings to negotiate over. And though my days of ruling the clubs are far behind, I would gladly spend the night at one that offered rotating 3D sound fields, as you propose. As for re-implementing the Behringer in code, I don’t think there are any significant technical barriers for a modern PC, or even a high-end mobile device. I have not used Pure Data, but if it’s adequately performant it looks like a fine platform from which to start. My original plan was to execute the room response mapping with REW (Room Equalization Wizard) on my PC. Then I would hard-code a set of appropriate digital filters into a software plug-in that I could attach to a digital audio I/O board in a PC or equivalent. That filter system could run headless after that, since all the human interaction ends with REW. The sorry part for my project was realizing I had (at least in part) to dedicate a general-purpose computer to a single minor use. I gave up designing this system in code when I knew I would it meant yet another little PC with suitable digital audio input / output hardware, built to sit up behind the television with all the other gear that gets turned on whenever a game, movie, or song is needed. But my weakness need not be your own. More power to you in your future endeavors! I look forward to visiting your place once you've got your project up and running.

wintry757 11y ago

I am not sure my loved ones would allow me to add 39,990 speakers to the already-intrusive 10 around the living room in order to achieve ambisonic excellence. I do not completely agree with them, although your suggested approach sounds like it might work better in the basement where I have more room and fewer shared furnishings to negotiate over. And though my days of ruling the clubs are far behind, I would gladly spend the night at one that offered rotating 3D sound fields, as you propose. As for re-implementing the Behringer in code, I don’t think there are any significant technical barriers for a modern PC, or even a high-end mobile device. I have not used Pure Data, but if it’s adequately performant it looks like a fine platform from which to start. My original plan was to execute the room response mapping with REW (Room Equalization Wizard) on my PC. Then I would hard-code a set of appropriate digital filters into a software plug-in that I could attach to a digital audio I/O board in a PC or equivalent. That filter system could run headless after that, since all the human interaction ends with REW. The sorry part for my project was realizing I had (at least in part) to dedicate a general-purpose computer to a single minor use. I gave up designing this system in code when I knew I would it meant yet another little PC with suitable digital audio input / output hardware, built to sit up behind the television with all the other gear that gets turned on whenever a game, movie, or song is needed. But my weakness need not be your own. More power to you in your future endeavors! I look forward to visiting your place once you've got your project up and running.