[Noisebridge-discuss] Ambisonic Sound at Noisebridge

Felipe Sanches juca at members.fsf.org
Wed Feb 3 21:17:17 UTC 2016


Cool!
I''m not in SF Bay Area at the moment, though.
I may try some of this around here in São Paulo at some point.

cheers!
Felipe

On Tue, Feb 2, 2016 at 9:06 PM, Alexander Phleps <
alexander.phleps at mailbox.org> wrote:

> Hey Felipe,
>
> yes I think so but the resolution depends on the about of speakers and the
> size of the room.
> If you want to reproduce exact positions of different sounds in space,
> you’d need a Wave Field Synthesis System (
> https://en.wikipedia.org/wiki/Wave_field_synthesis ) in a small room.
> Some large rooms kind of disappoint in terms of resolution and they’re
> having up to 2700 speakers (
> https://www.ak.tu-berlin.de/menue/research/wave_field_synthesis/parameter/en/ )
> - But it’s a different Technology so it’s probably not gonna be a DIY
> project.
>
> But with Ambisonics it might be worth trying it with 4 speakers. If you
> have 8, even better. You can move sounds around in space.
>
> Check out spatum by Rui Penha at http://spatium.ruipenha.pt
> It’s all the tools you need including papers on the topic, plugins and
> videos - Free and Open Source!
>
>
>
> This is actually the stuff I’d be trying out first if I can build this at
> Noisebridge. If you’re interested and you’re currently in SF, I’m happy to
> collaborate. Just drop me an email.
>
>
>
> Cheers,
>
> Alex
>
>
>
> On 02 Feb 2016, at 13:07, Felipe Sanches <juca at members.fsf.org> wrote:
>
> Wow!
> That sounds exciting!
>         // pun indented !
>
> Would it work with sound-speakers installed in the top corners of a room?
> I was planning to install some of these at our hackerspace (in São Paulo,
> Brazil, not in Noisebridge, though...).
>
> I wonder if the software tools that you employ are all libre software. Can
> you point me to the basic tools that I should be looking up if I were going
> to setup one of these volumetric audio installations?
>
> happy hacking,
> Felipe "Juca" Sanches
> Garoa Hacker Clube
> São Paulo, Brazil
>
>
>
>
>
>
> On Tue, Feb 2, 2016 at 6:33 PM, Alexander Phleps <
> alexander.phleps at mailbox.org> wrote:
>
>> Hey everyone,
>>
>> I’m in the bay area for a month, hanging out at Noisebridge from time to
>> time. One of the things I’m interested in is spatial sound, and especially
>> the interaction with spatial sound.
>>
>> There are different technologies and different creative approaches to
>> this. One example is the Audium here in SF ( audium.org ). It uses 176
>> speakers but it is possible to build installations with less, say 8
>> speakers using a technology called Ambisonics. Obviously this would not be
>> as precise but should be enough for simpler installations.
>>
>> So I wanted to propose to build such a thing in Noisebridge. As I’m
>> backpacking right now, I don’t have the necessary equipment to do that. So
>> I wanted to ask if it’s possible to get access to a lot of small speakers
>> and an audio interface with as many output channels as possible. I know
>> these things are expensive but if anyone could spare one even for just a
>> couple of hours, I promise to treat it well. Also, there is nothing that
>> may damages the device. It will simply be used by a piece of software (the
>> spatialization renderer) that sends audio to the various output channels.
>>
>> Alternatively, it may be possible to to use a lot of two or four channel
>> audio interfaces on a USB hub as an aggregated device (on a Mac).
>>
>> As for the speakers, if it’s not possible to find similar speakers, a
>> bunch of old crappy different desktop computer speakers will do.
>>
>>
>>
>>
>> Happy for any feedback.
>>
>> Best,
>>
>> Alex
>>
>> _______________________________________________
>> Noisebridge-discuss mailing list
>> Noisebridge-discuss at lists.noisebridge.net
>> https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss
>>
>>
>
>
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