[PD] Get room impulse response

[Jack]

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Hello Antoine,

Thanx for this brief explanation and for the link. I will dig a little
bit to understand the process.
Now if people know some literature about this topic, they are welcome.
++

Jack



Le 25/10/2014 13:03, Antoine Villeret a écrit :
> for convolution purpose there are afaik lots of implementation you
> can even do your own in pure pd (without externals) the last
> externals I saw doing this was in the Hao or Cream library from MSH
> Paris Nord [1] I think the lib is shipped with lots of impulse to
> do binaural rendering, wich is great ! be careful there are lots of
> incompatibilies with Vanilla (I made a Makefile but I stuck with
> some crashes due to some hacks in Pd's code)
> 
> btw those only do convolution not impulse response extraction, for 
> which you need to do "deconvolution" by knowing the source impulse
> and it's response some software are dedicated to this task, but I
> don't know any on linux
> 
> the old way to record impulse response is to fire some explosive
> or gun but they make a weighted noise and thus the impulse will be 
> "colored" by the impulse source. once you have recorded an impulse,
> edit it to remove onset time and then convolve it with your live
> sound. the key to make a convolution reverb sounding great is to
> have a good impulse.
> 
> cheers
> 
> a
> 
> [1] : https://github.com/CICM/HoaLibrary/releases -- do it
> yourself http://antoine.villeret.free.fr
> 
> 
> 2014-10-25 12:35 GMT+02:00 Jack <jack at rybn.org>: I saw an object
> make by Katja, but is to high level for me. I just want to begin
> with small examples made with Pd and a little bit of theory on this
> topic. ++
> 
> Jack
> 
> 
> 
> Le 25/10/2014 12:23, peiman khosravi a écrit :
>>>> So far as I know it's only MaxMSP: 
>>>> http://www.alexanderjharker.co.uk/Software.html
>>>> 
>>>> But I'm sure someone here will know of a pd external for 
>>>> convolution (?)
>>>> 
>>>> All the best, Peiman
>>>> 
>>>> 
>>>> 
>>>> 
>>>> *www.peimankhosravi.co.uk <http://www.peimankhosravi.co.uk>
>>>> || RSS Feed <http://peimankhosravi.co.uk/miscposts.rss> ||
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>>>> 
>>>> On 25 October 2014 11:11, Jack <jack at rybn.org> wrote:
>>>> 
>>>> Hello Peiman,
>>>> 
>>>> Thanx for the links, it was instructive. Do you know where i
>>>> could find Pd patch about impulse response ? ++
>>>> 
>>>> Jack
>>>> 
>>>> 
>>>> 
>>>> Le 20/10/2014 17:38, peiman khosravi a écrit :
>>>>>>> This might be of interest:
>>>>>>> 
>>>>>>> https://www.youtube.com/watch?v=0waUi6qpf-k
>>>>>>> 
>>>>>>> Also discussed here: http://eprints.hud.ac.uk/14897/
>>>>>>> 
>>>>>>> 
>>>>>>> P
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> *www.peimankhosravi.co.uk
>>>>>>> <http://www.peimankhosravi.co.uk> || RSS Feed
>>>>>>> <http://peimankhosravi.co.uk/miscposts.rss> || Concert
>>>>>>> News <http://spectralkimia.wordpress.com/>*
>>>>>>> 
>>>>>>> On 20 October 2014 16:30, Jack <jack at rybn.org> wrote:
>>>>>>> 
>>>>>>> Hello,
>>>>>>> 
>>>>>>> I don't know a lot of things in this domain. I just
>>>>>>> know that reflected source signals are sensitive to
>>>>>>> the environment geometry and materials and I would like
>>>>>>> to get the room impulse response. Is there good
>>>>>>> informations about this topic somewhere (web or help
>>>>>>> patch) ? Is there an existing (simple) patch I can use
>>>>>>> to understand the process ? Thanx. ++
>>>>>>> 
>>>>>>> Jack
>>>>>>> 
>>>>>>>> 
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>>>>>>> 
>>>> 
>>>>> 
>>>> 
> 
>> 
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