Potentially very useful indeed, especially if they make it at least
reasonably open. For my own part, my "oh for crying out loud" rant should
have been more obviously aimed at the tone of the press release which was
what I was really upset by. However, please note I reserve the right to get
annoyed at Microsoft in future, at least when when it is merited :-)
Dave
On 22 June 2014 15:59, Stefan Schreiber <st...@mail.telepac.pt> wrote:
> Martin Leese wrote:
>
> Dave Malham wrote:
>>
>>
>>
>>> Oh, for cryin' out loud. Makes you want to weep - Microsoft reinventing
>>> again what's already been done and (most of) the rest of the world
>>> believing they're the originators...
>>>
>>>
>>
>> I am no fan of Microsoft, but this seems a little
>> harsh. Quickly producing an approximate
>> personalized HRTF using only head and
>> shoulders is new, and potentially useful.
>>
>>
>
> I believe very useful, and (together with similar projects) very possibly
> on the right track to convincingly reproduce surround sound/3D audio via
> headphones.
> We have discussed this area here on this list several times before, see
> (for example) some sursound postings from the 16th of May (2014) ...
>
> (Thread: "TetraMic and JauntVR in Time...")
>
> ...
>>
>> umashankar manthravadi wrote:
>>>
>>> Dear Stefan how does one create hrtfs/hrirs from photos - of the
>>>> pinnae, I assume?
>>>>
>>>> Umashankar
>>>>
>>>>
>>>
>>> ....
>>
>>
>>>
>>> IV.
>>>
>>> http://gamma.cs.unc.edu/HRTF/docs/PHRTFpaper_final.pdf
>>>
>>> Accurate rendering of 3D spatial audio for interactive virtual auditory
>>>> displays requires the use of personalized head related transfer
>>>> functions (HRTFs). We present a new approach to compute personalized
>>>> HRTFs for any individual based on combining state-of-theart
>>>> image-based 3D modeling with an efficient numerical simulation
>>>> pipeline. Our 3D modeling framework enables capture of the
>>>> listener’s head and torso using consumer-grade digital cameras to
>>>> estimate a high resolution non-parametric surface representation of
>>>> the head, including extended vicinity of the listener’s ear.
>>>>
>>>
>>>
>>>
>>>
>> The JauntVR people/developpers might take note of fig. 4 in the cited
>> document.
>>
>> Figure 4: Typical use-case scenario for the personalized HRTFs computed
>>> by our pipeline. The user is being delivered a virtual experience
>>> through the HMD as well as through spatial sound rendered using the
>>> personalized HRTF computed for them by our technique.
>>>
>>
>>
>>
>> The HMD happens to be an Oculus Rift.
>>
>> Oh my dear, it is such a small world...
>>
>>
>> Best,
>>
>> Stefan
>>
>>
> Whole thread:
>
> https://www.mail-archive.com/sursound%40music.vt.edu/msg05743.html
>
> The cited research paper (the .pdf-link above) and other (provided) links
> to papers in the thread show that Microsoft is - very obviously! - not
> "first" in this area. But of course they should have some real interest in
> this, because of their Kinect camera.
>
>
> Tashev says he is now working to improve the capture system and make it
>> smooth and speedy enough to be something a person < with a Kinect camera
>> might be able to do at home >.
>>
>> Mark Billinghurst, a professor and leader of the Human Interface Lab at
>> the University of Canterbury, New Zealand, says that the approach developed
>> by Microsoft could have a broad impact if the scanning process can be made
>> practical enough
>>
>
> It makes absoutely sense for Microsoft to look into this area, because of
> their obvious interests in computer/console games, VR, interfaces etc.
>
> You could also reproduce surround < recordings > (our interest...) via a a
> sophisticated binaural decoder, employing head-tracking and personalized
> HRTF/BRTF sets. (See Smyth Realiser, "prior art".)
>
> There have been a lot of projects trying to derive more or less accurate
> HRTF data from 3D scans and (2D) photos. What still is needed is to
> improve these methods.
>
> And actually, to apply them in some real-world scenario... :-)
>
>
> From the MIT Technology Review article:
>>
>> "That somewhat eerie experience was made
>> possible because less than a minute earlier I
>> had sat down in front of a Kinect 3-D sensor
>> and been turned briefly to the left and right.
>> Software built a 3-D model of my head and
>> shoulders and then used that model to
>> calculate a personalized filter that made it
>> possible to fool my auditory senses.
>> ...
>> Tashev’s system is a new twist on an old idea.
>> ...
>> When Tashev quickly scans a person’s head,
>> his software generates an approximation of
>> that subject’s HRTF that seems good enough
>> to produce unusually accurate spatial audio.
>> ...
>> Tashev says he is now working to improve the
>> capture system and make it smooth and
>> speedy enough to be something a person with
>> a Kinect camera might be able to do at home.
>>
>> Mark Billinghurst ... says that the approach
>> developed by Microsoft could have a broad
>> impact if the scanning process can be made
>> practical enough."
>>
>> Regards,
>> Martin
>>
>>
>
>
> Best,
>
> Stefan
>
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <https://mail.music.vt.edu/mailman/private/sursound/
> attachments/20140622/b5b28a70/attachment.html>
> _______________________________________________
> Sursound mailing list
> Sursound@music.vt.edu
> https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here,
> edit account or options, view archives and so on.
>
--
As of 1st October 2012, I have retired from the University.
These are my own views and may or may not be shared by the University
Dave Malham
Honorary Fellow, Department of Music
The University of York
York YO10 5DD
UK
'Ambisonics - Component Imaging for Audio'
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<https://mail.music.vt.edu/mailman/private/sursound/attachments/20140622/d249906c/attachment.html>
_______________________________________________
Sursound mailing list
Sursound@music.vt.edu
https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit
account or options, view archives and so on.
