I'm wondering how you could make this more... conventional looking. I could see it working fine if there was a way to do a permanent suspension in air & have the laser shine through it, but I have not seen a gas mix that stays suspended & not condensing or the ratio fluxing. Could a liquid solution be used?
Wonderful idea & ultimately, super cool! It's just a prototype, stop complaining about horrid sound quality. If anybody can improve sound quality using this method it's the guys who invented MP3!
Hello, jahcriado. Liquid won't work because it is practically incompressible; the sound pressure waves don't change the density of the liquid enough to "read." A permanent suspension of particles in gas is too noisy; reverberation is uncontrollable and the pressure waves in the medium become chaotic. A moving "ribbon" of smoke or fog gives the pressure waves something to "write" on that is always a clean slate, provided the ribbon moves fast enough. This type of mic can look conventional.
Hello, Sven. The soap bubble or very thin film idea is a good one that has been implemented before, though with a polymer material. Take a look at Sennheiser's laser mic, which uses a Mylar film diaphragm. Of course, I'm developing mics with no diaphragm so I'll leave the improvements in the previous technologies to others. Best Regards, David
Thanks, anmpir. Note that my audio compression patent from 1983 was only one of at least four main contributors to the MPEG Audio Layer 3 standard. Fraunhofer Institute's work is what made MP3 sound acceptable.
anmpir; I'm hoping some mic manufacturers will be interested. We'll see what happens at the AES conference & exhibit in New York next month. Cheers, Dave
You're absolutely right. The next video, showing Prototype Two will be posted this week and I promise we'll get the sound of the video clip done properly. Dave
You make it fundamentally possible, they tidy it up. Is that the plan this time around too? :) Thanks for the reply!
I'm wondering how you could make this more... conventional looking. I could see it working fine if there was a way to do a permanent suspension in air & have the laser shine through it, but I have not seen a gas mix that stays suspended & not condensing or the ratio fluxing. Could a liquid solution be used?
Wonderful idea & ultimately, super cool! It's just a prototype, stop complaining about horrid sound quality. If anybody can improve sound quality using this method it's the guys who invented MP3!
Hello, jahcriado.
Liquid won't work because it is practically incompressible; the sound pressure waves don't change the density of the liquid enough to "read."
A permanent suspension of particles in gas is too noisy; reverberation is uncontrollable and the pressure waves in the medium become chaotic.
A moving "ribbon" of smoke or fog gives the pressure waves something to "write" on that is always a clean slate, provided the ribbon moves fast enough.
This type of mic can look conventional.
Hello, Sven.
The soap bubble or very thin film idea is a good one that has been implemented before, though with a polymer material. Take a look at Sennheiser's laser mic, which uses a Mylar film diaphragm.
Of course, I'm developing mics with no diaphragm so I'll leave the improvements in the previous technologies to others.
Best Regards,
David
wow, for being sound gurus, the sound in this video was absolutely horrible. I could barely hear you in some parts.
Thanks, anmpir.
Note that my audio compression patent from 1983 was only one of at least four main contributors to the MPEG Audio Layer 3 standard. Fraunhofer Institute's work is what made MP3 sound acceptable.
anmpir;
I'm hoping some mic manufacturers will be interested. We'll see what happens at the AES conference & exhibit in New York next month.
Cheers,
Dave
You're absolutely right. The next video, showing Prototype Two will be posted this week and I promise we'll get the sound of the video clip done properly.
Dave
synthtube;
You're right. Sorry about that.
We're upgrading our AV production values for the Prototype Two clips. Coming soon.
Cheers,
Dave
Thanks, Mike!
I have a story about the mic pending at Kuro5hin. We'll see if they vote it in.
Cheers,
Dave
Hay this is cool you should post a story about this on k5
pulling a Thomas Edison with the poem eh?
Absolutely amazing! Good luck at AES!