InfernoSTi Posted April 16, 2014 Share Posted April 16, 2014 What Noise LOOKS Like Has anyone seen this before? I found the concept very interesting… Best, John P.S. I see I poorly titled this thread: should be "What Noise LOOKS Like"…I wish I could edit that part of the post! Oh well, please take a look at this short video from NPR. Positive emotions enhance our musical experiences. Synology DS213+ NAS -> Auralic Vega w/Linear Power Supply -> Auralic Vega DAC (Symposium Jr rollerball isolation) -> XLR -> Auralic Taurus Pre -> XLR -> Pass Labs XA-30.5 power amplifier (on 4" maple and 4 Stillpoints) -> Hawthorne Audio Reference K2 Speakers in MTM configuration (Symposium Jr HD rollerball isolation) and Hawthorne Audio Bass Augmentation Baffles (Symposium Jr rollerball isolation) -> Bi-amped w/ two Rythmic OB plate amps) -> Extensive Room Treatments (x2 SRL Acoustics Prime 37 diffusion plus key absorption and extensive bass trapping) and Pi Audio Uberbuss' for the front end and amplification Link to comment
dkAudio Posted April 17, 2014 Share Posted April 17, 2014 What Noise LOOKS Like Has anyone seen this before? I found the concept very interesting… Best, John P.S. I see I poorly titled this thread: should be "What Noise LOOKS Like"…I wish I could edit that part of the post! Oh well, please take a look at this short video from NPR. Has anyone tried using this to be able to actually see a speakers radiation patterns at different frequencies? Foobar/Squeezebox Duet ->USB,SPDIF/RCA ->Benchmark DAC1 HDR ->Orion ASP ->ATI 6012 ->Linkwitzlab Orion Link to comment
dc2bluelight Posted April 18, 2014 Share Posted April 18, 2014 Ah! The good 'ol Schlieren system! Been around for hundreds of years. I saw a 16mm educational film (that should date it) about the Schlieren concept back in high school. Edmund Scientific used to sell a system with two concave mirrors back in the day. The setup is a bit touchy, and the video didn't show how adding color filters in the barrier area increases the contrast, image sensitivity, and makes some really far-out psychedelic images. I'll bet it has been used to look at speaker sound patterns, but it works best when the air bends light a lot. To do that you need either a temperature gradient or a significant pressure gradient, like from a loud clap, or a firecracker. Speakers would have to play loud for it to work well, and the setup would have to be really precise. Link to comment
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now