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 Kyma Forum
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 Binaural spatialisation
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| Author | Topic: Binaural spatialisation |
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CraigVear Member |
posted 05 November 2015 06:50
 
Anyone know of a Sound that will allow me to place a quad mix into a binaural sound field for headphones? I will want control of x, y and z placement ( am hoping for something along the lines of the LongCat H3D) IP: Logged |
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gustl Member |
posted 05 November 2015 18:49
How are you going to place a quad mix inside a binaural soundfield with x, y and z? I think what you are looking for is placing a mono source inside a binaural mix. If you want to use a quad mix you would handle it as 4 mono sources. Usually something like that is done using HRTFs (Head Related Transfer Functions) which is essentially taking a stereo impulse response for each position around the head (usually a dummyhead). Then you'd convolve the according impulse responses (depending on position) with your mono source. To avoid hearing the steps of the measured impulse responses you could interpolate between them while moving around. Here are some impulse responses for download and you can use the crossfilter short to convolve your source with them: http://sound.media.mit.edu/resources/KEMAR.html One important thing to keep in mind: every human head (and its ears) is individual and every individual human learned to recognize the position of sound based on the shapes of its head and ears. A dummy head is just an average human head. So don't get overexcited about this, left-right might work well but height and behind-the-back positions are usually experienced quite differently.. one workaround may be recording your own HRTF but then you are the only one experiencing the positioning right (or other people whose shapes are similar to yours). Anyway you don't know what happens if someone else is listening to your mix - so as powerful as HRTFs are as useless they are at the same time.. just my two cents..  IP: Logged |
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Peripatitis Member |
posted 10 November 2015 06:35
There is a reaper plugin suite that deals with that short of thing. I have this http://newaudiotechnology.com/en/products/spatial-audio-designer/ which is kind of expensive though and i wouldn't buy it again.. It is true the results of these techniques depend a lot on so many parameters, this is also true however for stereo but that didn't stop it from becoming the main listening format. What you gain is a fuller headphone experience. imo accuracy is overrated when it comes to spatialisation. [This message has been edited by Peripatitis (edited 10 November 2015).] IP: Logged |
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SSC Administrator |
posted 10 November 2015 19:58
Hi Craig, I did a binaural mix down of my piece "Cyclonic" by recording HRTFs for my own ears using an in-ear microphone. If you'd like to borrow my ears, the files and example panning Sounds are in the Kyma 7 Community Library: The first step is to record your Timeline using a custom speaker placement of a "rotated quad" (Left, Right, Front Center, Rear Center). Then use each of those files as the input to one of the CrossFilters in the included Sound file. (This would be a great question for the new QA, by the way. You can access it from the Help menu in Kyma by selecting Questions and Answers or bookmark this link: http://kyma.symbolicsound.com/qa/) IP: Logged |
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