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Triple Stereo, Stereo to 3-channels converter
E.Sokol
post Jan 9 2015, 22:47
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Posts: 19
Joined: 9-January 15
From: Magnitogorsk
Member No.: 118317



discussion/bug reports here

This plugin allows you to listen stereo music at 3 speakers - left, right and center with minimum artefacts. No mono-mix at center!
Also, you can listen this plugin at stereo with any combination of left, right and center channels.

NOTE.
The maximum quality provided by maximum FFT-size whith high processor load. If you have lags, try to increase buffer size at output device. At slow computer, you can convert your favourite music with this plugin and write it to dvd-audio disc for listen at external dvd-player.

How it works:
In frequency domain, we can manipualate whith each frequency and it phase separately.
At first pass, with large FFT size (parametrized), plugin split stereo to 3-channels using combination of additions and phase rotations.
After that, phase of output channel assigned to source phase at left and right channels respectively, and center phase to mono mix of input channels.
At second pass, with small FFT size (hard coded), sum of magnitudes of output channels equlized to sum of magnitudes of input channels, for remove reverberation artefacts and guaranteed congruence of amplitude-grequency characteristic to source music.
Also, the output left and right or center channels can be delayed to produce more rich stereo-base.

This post has been edited by E.Sokol: Jan 9 2015, 23:02
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E.Sokol
post Jan 17 2015, 12:51
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Posts: 19
Joined: 9-January 15
From: Magnitogorsk
Member No.: 118317



updated - skip initial silence after rewind.
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E.Sokol
post Jan 30 2015, 11:08
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Posts: 19
Joined: 9-January 15
From: Magnitogorsk
Member No.: 118317



bug found - fix in progress.
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E.Sokol
post Feb 1 2015, 16:11
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Posts: 19
Joined: 9-January 15
From: Magnitogorsk
Member No.: 118317



Latency bug fixed.

This post has been edited by E.Sokol: Feb 1 2015, 17:02
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E.Sokol
post Feb 11 2015, 16:58
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Posts: 19
Joined: 9-January 15
From: Magnitogorsk
Member No.: 118317



Major update:
- more precise split algorithm;
- automatically adjusts internal parameters to 96kHz and 192kHz sample rates;
- new output mode added [C][L+R] for listen at two speakers;
- renamed to foobar standard prefix _dsp added;
- compiled with different SDK for old and new versions of foobar.

Attached File(s)
Attached File  TripleStereo_v2.0.0.zip ( 72.69K ) Number of downloads: 79
 
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