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 Forum index » How-tos » Ambiophonic Sound Reproduction
Ambiophonic Choueiri Crosstalk Cancellor
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mosc
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PostPosted: Sat Jul 15, 2006 6:50 am    Post subject: Ambiophonic Choueiri Crosstalk Cancellor
Subject description: www.ambiophonics.org
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This just in by email from Robin Miller:

    FYI, the www.ambiophonics.org site now has 48k & 96kHz Choueiri crosstalk
    cancellation IRs, along with 44.1kHz, a multi-channel beta of X-volver from
    Angelo, and pretty much all the links and instructions you need to try
    Ambiophonics. You can start with your legacy stereo recordings, then add a
    second dipole in back for surround movies or music (setting your player for
    "no center speaker") and enjoy a spatially more accurate 360deg presentation
    than 5.1. We look forward to your comments & suggestions. Look to download
    specially recorded excerpts soon for subjective evaluation and comparison.

    Robin

http://www.ambiophonics.org/Ambiofiles.htm

Ambiophonics is a fascinating technology for stereo reproduction. It uses two speaker that are placed in front of the listener but very close, about 10 degrees separation. By using some special signal processing, the stereo field that is created is dramatically better than conventional stereo. Even thought the speakers are so close, the field is much wider and the localization is much more precise.

The downside of ambiophonics is that the sweet spot is very small and that you need special signal processing.

Still, if you haven't heard ambiophonic sound played back correctly, you are certainly missing something.

The two speaker with the cross cancellor is called an ambiopole. You can also put an ambiopole in the rear for surround. This is called panambiophonic, or Panambio.

Posted Image, might have been reduced in size. Click Image to view fullscreen.

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diatonis



Joined: May 01, 2005
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Location: los angeles, ca

PostPosted: Thu Jul 20, 2006 7:47 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi Howard

This looks great and I'll give it a try. Was the Farina X-volver made by Angelo Farina? He had a great influence on me a number of years ago when he came out with what I think is the first convolution plugin. It was made for IQS's SAW.

Stuart

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mosc
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PostPosted: Thu Jul 20, 2006 9:46 am    Post subject: Reply with quote  Mark this post and the followings unread

Yes, I this is Angelo's work. He and Robin work quite closely.

Prior to this AudioMulch thing, the ambiophonic stuff was only available for DSPs. While these aren't really expensive, they are beyond the reach of people just looking to try it out.

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durwood



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PostPosted: Wed Jul 09, 2008 12:30 pm    Post subject: Reply with quote  Mark this post and the followings unread

Has anyone else tried the new impulses for this?

It seems to "fix" the hole in the middle for centered vocals that I was experiencing with the older impulse. Before centered vocals had a tendency to sound as if they were way behind the instruments. These are some of my thoughts but I ahve only played with it now for a bit.
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mosc
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PostPosted: Wed Jul 09, 2008 5:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

I've had the chance to listen a bit on Robin's system. I think the original ones were not all that great.
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