Re: [Sursound] Deconstructing soundbar marketing B.S.

2019-05-27 Thread Aaron Heller
The soundbars I've heard sound like they use crosstalk cancellation (aka transaural stereo) to achieve surround effects. I believe the work of Edgar Choueiri and his students at Princeton represents the state of the art in that area. https://www.princeton.edu/3D3A/index.html Also Ralph

Re: [Sursound] Anyone had experience with AllRAD decoding to physical loudspeakers?

2019-06-02 Thread Aaron Heller
(AllRAD2),” May 2018. http://www.aes.org/e-lib/browse.cfm?elib=19460 Aaron Heller (hel...@ai.sri.com) Menlo Park, CA US On Sun, Jun 2, 2019 at 12:26 AM Sean Devonport wrote: > > Thanks for the reply Florian. > > Yes, was aware of the imaginary loudspeakers. The algori

Re: [Sursound] Anyone had experience with AllRAD decoding to physical loudspeakers?

2019-06-02 Thread Aaron Heller
band-splitting filters and 336 NFC filters in the decoder. The design and implementation of the filters is discussed in our IFC18 conference paper http://www.ifc18.uni-mainz.de/papers/heller.pdf Aaron On Sun, Jun 2, 2019 at 1:22 PM Aaron Heller wrote: > > Hi Sean, > Are all the

Re: [Sursound] Anyone had experience with AllRAD decoding to physical loudspeakers?

2019-06-09 Thread Aaron Heller
On Tue, Jun 4, 2019 at 2:48 AM Sean Devonport wrote: > Thanks so much Aaron! I have seen the ambisonic toolkit around but haven't > played with it too much. Just to be clear, there are two similarly named systems, Ambisonic Toolkit (ATK) by Jo Anderson http://www.ambisonictoolkit.net and

Re: [Sursound] Decoding first order ambisonics on higher order decoders?

2019-05-14 Thread Aaron Heller
array. Aaron Heller (hel...@ai.sri.com) Menlo Park, CA US On Tue, May 14, 2019 at 12:51 PM Sean Devonport wrote: > > Hey there everyone, > > Want to ask if anyone has any thoughts on decoding first order ambisonics > to higher order decoders? > > I've been experimentin

Re: [Sursound] Tetramic UK repair options?

2019-09-24 Thread Aaron Heller
I'll add a couple of things that might be relevant. The Calrec Soundfield MkIV has a capsule heater to drive off moisture, a 1k resistor across the 50V supply, so 2.5W. It's labeled 'Stem Htr" on this schematic: http://www.ai.sri.com/~heller/ambisonics/schematic-1.pdf I'm in the US, and had

Re: [Sursound] A 7th-order array with 16 microphones

2021-12-04 Thread Aaron Heller
., vol. 52, no. 11, pp. 1142-1156, (2004 November.) https://www.aes.org/e-lib/browse.cfm?elib=13028 Aaron Heller Menlo Park, CA US On Thu, Dec 2, 2021 at 10:33 AM eric benjamin wrote: > > I believe that Nando may have been thinking about reproduction with > loudspeaker arrays. He has

Re: [Sursound] Fwd: [Experimental-intermedia] Charlie Morrow Announces

2022-03-19 Thread Aaron Heller
Does anyone have instructions on how to set up the "three personal devices" needed to stream Fastenow's piece "Vernal Periphony"? I assume some sort of synchronization is needed across the devices. Aaron Heller On Thu, Mar 3, 2022 at 2:25 PM j...@bmbcon.demon.nl wrot

Re: [Sursound] format convention of Ambisonic Sound Library Files

2022-05-23 Thread Aaron Heller
resource, but it would certainly be better if the filenames were more mnemonic, as well as indicating the channel convection in use. Aaron Heller On Mon, May 23, 2022 at 5:43 AM Jack Reynolds wrote: > As far as the know each file has the format in the file name. > > J > > Sent

Re: [Sursound] So long CIPIC HRTF?

2023-02-25 Thread Aaron Heller
I uploaded my copy of the CIPIC data and docs to http://ambisonics.dreamhosters.com/CIPIC/ and hacked together a readme.md based on the original home page for the data http://ambisonics.dreamhosters.com/CIPIC/cipic_readme.md I apologize in advance for the lack of aviation content. Aaron

Re: [Sursound] [Proposal] for HOA web-streaming-format

2023-05-02 Thread Aaron Heller
There's MPEG-H 3D Audio https://en.wikipedia.org/wiki/MPEG-H_3D_Audio and Google's Draft IETF proposal https://datatracker.ietf.org/doc/rfc8486/ Aaron Heller Menlo Park, CA US -- next part -- An HTML attachment was scrubbed... URL: <https://mail.music.vt.

Re: [Sursound] Is it possible to mix ambisonic encoded information of different order?

2023-06-12 Thread Aaron Heller
What I've always done is to keep the channel sets of different ambisonic order separate, then design a decoder for each channel set, and mix the speaker feeds. Perhaps that's overkill. On Sun, Jun 11, 2023 at 4:25 PM Sampo Syreeni wrote: > On 2023-06-01, Jan Jacob Hofmann wrote: > > > is it

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