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Bauer stereophonic-to-binaural DSP plugin, new plugin
boris_mikhaylov
post Feb 2 2011, 11:54
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QUOTE (jaro1 @ Feb 2 2011, 15:26) *
Yet flawless in W7/WMP12, perfect.

I'v glad to hear, because I'v tested it on XP_x86_SP3 with WMP11 (WMP9 are not supported) only. And, I think, there will be a problem on Windows x64 with 64bit WMP or even with 32bit WMP. I willl add an x64 modules to the installer in the far future if a x64 Windows will be available for me.

QUOTE (jaro1)
Some questions, what is the purpose of that proxy/stub modul bundled in installator?

http://msdn.microsoft.com/en-us/library/dd...0(v=VS.85).aspx
A DSP plug-in that implements custom interfaces and runs in the Media Foundation pipeline (either natively or wrapped) must be paired with a proxy-stub .dll file that can marshal the custom interfaces across process boundaries.

QUOTE (jaro1)
Which compiler did you use, MSVC2010?

Yes it is.
I will publish a sources of plugin at SF.NET in the near future. But the main part of source is available at http://borisgermanov.blogspot.com/2010/12/...o-dsp-plug.html with my notes about problems of Wizard generated code and of WAVE_FORMAT_IEEE_FLOAT playback.

Best regards.


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jaro1
post Feb 2 2011, 17:15
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Sorry, i didn't specify the bits of the os i've used, x86. I can't test the case of x64 systems, hope someone else could help and test it.
Thanks for an explanation about MF pipeline.
Maybe i don't fully understand the problem with 32bit floating point wav samples in wmp, but i've tested and can confirm, that in W7/x86 the 32/192 wav audio data played back through wmp12 are definitelly filtered with bs2b, the same case with HDCD playback ("use 24-bit audio for audio CDs" enabled)
I've played back 16/24/32bit wav samples at different sample rates and 16/44, 24/96 wmal samples and as i wrote earlier, no problems yet.
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boris_mikhaylov
post Feb 3 2011, 06:45
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QUOTE (jaro1 @ Feb 2 2011, 22:15) *
Sorry, i didn't specify the bits of the os i've used, x86.

I've guessed.

QUOTE
Maybe i don't fully understand the problem with 32bit floating point wav samples in wmp, but i've tested and can confirm, that in W7/x86 the 32/192 wav audio data played back through wmp12 are definitelly filtered with bs2b, the same case with HDCD playback ("use 24-bit audio for audio CDs" enabled)
I've played back 16/24/32bit wav samples at different sample rates and 16/44, 24/96 wmal samples and as i wrote earlier, no problems yet.

Thank you for testing.
Can you try my 32bit float WAV files are made by Audacity?
http://files.mail.ru/eng?back=%2F3Z2M7O (LSine-32f-auda.wav)
http://files.mail.ru/eng?back=%2F47ZRQ5 (LSine-32fex.wav)
This files are played but not passed to my DSP on Windows XP SP3 WMP11.
About HDCD or CD playback with 24bit feature turned on: as described, CD/HDCD will be passed by 20bit, and it really passed with pWave->wBitsPerSample = 20, but samples are not 20bit, they are 24bit ??? MS surprises ;-)
I was tested this surprise by CD. My eBay ordered HDCD is not coming yet from US :-(
Anyway, thank you for HDCD test on 7.


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jaro1
post Feb 3 2011, 13:41
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QUOTE
Can you try my 32bit float WAV files are made by Audacity?
This files are played but not passed to my DSP on Windows XP SP3 WMP11.

Both these files are in W7/x86 WMP12 played back and filtered through BS2B with no problem, absolutelly flawless.
WMP11 on XP uses for formats that it directly supports (except for some situations in case of WV/W7) different pipeline as in WV/W7 and i'm surprised, that it plays back 32bit wav at all.
Though with 24bits shouldn't be a problem in WMP11 on XP:
CODE
http://www.benchmarkmedia.com/wiki/index.php/Windows_Media_Player_for_Windows_-_Setup_Guide#New_info_on_Windows_Media_Player_12


QUOTE
About HDCD playback: samples are not 20bit, they are 24bit ??? MS surprises ;-)

I don't know, maybe because of sound card drivers resolution steps support (simply only 8/16/24, all PCM streams between these values must be interpreted as a resolution directly supported and set in the system by the sound card driver).
For CD/HDCD and some audio traces in video playback, WMP12 in W7 doesn't use MF pipeline yet, in this case for audio it uses directsound (dsound.dll is active), the problem with 20bits could be related to this, despite of the fact its emulated.
IMHO HDCDs are in relation to WMP intended for direct playback only (wmp can"t rip HDCDs as 20/24 bit resolution wavs, nor interpret hdcd packets in 16bit ripped wav or wmal, to my knowledge), so if only playback, it must be "played back" with resolution supported by the driver and set in the system.

QUOTE
thank you for HDCD test on 7

No no, i thank you for porting this superb plugin for wmp also. I really like the principles it uses for filtering and also the way you've done it.
Filtering through TB Isone might at the end sound more pleasant (because of added ROOM and HRTF designer), but if you disable or set all settings to minimum, you get the fundament the whole vst is build on. From visual comparing of suitable test signals in audition filtered through both plugins is clear, that this fundament is much better (IMHO!!! of course) done in BS2B (very smooth time delay and frequency attenuation, much better than in TB Isone).

I know some parts of latest posts about BS2B for WMP might not belong to this thread, but the whole bs2b thread is in fb2k forum, so its up to admin.

This post has been edited by jaro1: Feb 3 2011, 13:57
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markanini
post Feb 3 2011, 14:28
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Can anyone make a dumbed-down explaination on how to calculate optimal cut-off freq based on ones head size?
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boris_mikhaylov
post Feb 4 2011, 05:40
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QUOTE (markanini @ Feb 3 2011, 18:28) *
Can anyone make a dumbed-down explaination on how to calculate optimal cut-off freq based on ones head size?

Forget it, just use 3 defaults: 'Def' or 'CMoy' - for old or some records or just like I'm, 'JMeier' - if you don't like colored sound of first ones.
There is no head size only dependence. The main dependence is of a record. Next is a your preference of acoustic.
I have the Corda Arietta amplifier of J Meier with low crossfeed level of LC filters and this level is not enough for my music preferences - I prefer a little muffled bass of 'Def' in many cases.
The original crossfeeder of Bauer (next of Linkwitz) is 3db/700Hz, that they calculates for our heads ;-)

This post has been edited by boris_mikhaylov: Feb 4 2011, 05:48


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boris_mikhaylov
post Feb 4 2011, 13:41
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QUOTE (jaro1 @ Feb 3 2011, 17:41) *

Good news. Now I know, that 32float playback is not my problem, it is problem of XP...
Yes, a 24/32bitPCM playback have no problem on XP.
And thank you, now I know, my HDCD/CD code is right for not only XP :-)
Sorry to all about WMP discuss, anyway this is another thing why programmers don't like WMP but love fb2k ;-)


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jaro1
post Feb 8 2011, 15:03
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Its nice, you've implemented it as a dual-mode DSP (can run nativelly in MF pipeline, not as a DMO DShow wrapper).
One small comment here, i don't know if it is a limitation of WMP audio DSP implementation possibilities or you've done it so or something else, but couldn't the sliders changes be applied in a realtime as in FB2K (now you must click to apply the changes)? It doesn't restrict me by no means, i ask only because of interest.

QUOTE
And thank you, now I know, my HDCD/CD code is right for not only XP :-)

No problem, is your well done work.

QUOTE
Sorry to all about WMP discuss, anyway this is another thing why programmers don't like WMP but love fb2k ;-)

I'm not a programmer (but i understand a code a little), but i think its not that bad with WMP DSP infrastructure either (though its quite complex and robust). As always, the beginnings are the worst, but is always good to know also other designs, FB2K is great but not the only one.

To this comment, BS2B is "cross-player" dsp, so i don't see a problem to discuss about player-specific questions.

This post has been edited by jaro1: Feb 8 2011, 15:10
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Slowik1988
post Apr 22 2011, 16:55
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I hear no effect of bs2b. What could be wrong? I've tried:
- switching off any filters in my soundcard settings (equalizer)
- three different players (foobar2000, winamp, windows media player)
- the wav-modifying software (from the tools package put on the official website)

All to no effect. What should I do?
My computer: HP dv6500se laptop with a realtek soundcard, windows vista 32-bit.

This post has been edited by Slowik1988: Apr 22 2011, 16:56
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Slowik1988
post Apr 23 2011, 21:24
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I gave it a careful listen today and it turns out bs2b actually works i.e. I hear a slight difference but is barely noticeable, even with all the sliders maxed out. What do i do?

This post has been edited by Slowik1988: Apr 23 2011, 21:24
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Mr.Duck
post Apr 23 2011, 21:44
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QUOTE (Slowik1988 @ Apr 23 2011, 21:24) *
I gave it a careful listen today and it turns out bs2b actually works i.e. I hear a slight difference but is barely noticeable, even with all the sliders maxed out. What do i do?

That's actually funny as the BS2B is regarded as having an effect that is too strong and changes the audio too much compared to other crossfeeds.

Dolby headphone is by far the heaviest for audio processing so try that next. There is a wrapper for foobar2000 out there for it.

This post has been edited by Mr.Duck: Apr 23 2011, 21:45
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Slowik1988
post Apr 23 2011, 21:48
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Well, of course it might be just me but I think it's a lot more possible that there's something wrong with my computer or sound card.

This post has been edited by Slowik1988: Apr 23 2011, 22:03
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boris_mikhaylov
post May 4 2011, 11:30
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QUOTE (Slowik1988 @ Apr 24 2011, 01:48) *
Well, of course it might be just me but I think it's a lot more possible that there's something wrong with my computer or sound card.

May be soundcard's amplifier with headphones...
What is your headphones?
Or, if you sure in your hi-ends, just check yourself:
just get play one channel audio file (without crossfeeder) and hear opposite phone - if you hear -30~40dB :-) it's bad.
bs2b is designed for hi-fi ends.
Anyway, if you are not fatigue by superstereo effect by your headphones - you are not need any crossfeeder.


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Nerciat
post Sep 29 2011, 09:14
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I love your plugin (I use foobar). Is it possible to have one or two more versions?

- Windows application (for all windows sounds)
- Google Chrome plugin / extension

The reason for my request is; I want to use the binaural DSP with music streaming services (Spotify, MOG) and games, too.

Best regards
N
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Funkstar De Luxe
post Jan 10 2012, 16:13
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I love this plugin - I use it every day. Can you tell me, is it optimized for quality or speed? I mean, is there room for improvement in the filters used?


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boris_mikhaylov
post Jan 11 2012, 04:22
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QUOTE (Funkstar De Luxe @ Jan 10 2012, 20:13) *
I love this plugin - I use it every day. Can you tell me, is it optimized for quality or speed? I mean, is there room for improvement in the filters used?

Any improvements, like dithering, can be applied to 8,16 bit sample handlers. But there is no case for foobar2k or VST plug-ins.


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Funkstar De Luxe
post Jan 11 2012, 10:27
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Thank you very much for the reply, and thanks again for the wonderful plug-in smile.gif


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agoston.berko
post Jan 14 2012, 02:13
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i think it's a very relaxing plugin.
could you tell us which other DSP's to use to achieve best results (and which order) ?

Right now i use: SOX resampler -> Bauer -> Hard Limiter -6 and nothing else (only of course ASIO4ALL)

my system: win7 64bit - sonicweld diverter - dac - headphone

thanks

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DDDamian
post May 8 2012, 01:46
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Hi Boris - thanks for making both the source and the plugin for Foobar - been using it for some time and find it an excellent addition.

I am a developer for XBMC, an open-source, free and multi-platform HTPC media center. I've ported your calculations to be included in XBMC if that is okay with you. I note that your source is published under the GNU-compatible MIT license. We publish all our code here under the GPL v2 license, which is also GNU compatible. Just wanted to get your permission to include this in XBMC published under the GPL license, supplied with our software and included in the header of each source file.

I have acknowledged your code work in the headers, and the port source can be viewed here.

Cheers,
DDDamian
Team XBMC
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boris_mikhaylov
post May 9 2012, 10:40
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QUOTE (DDDamian @ May 8 2012, 05:46) *
I note that your source is published under the GNU-compatible MIT license. We publish all our code here under the GPL v2 license, which is also GNU compatible. Just wanted to get your permission to include this in XBMC published under the GPL license, supplied with our software and included in the header of each source file.

ok, welcome.
I'v choose the MIT license especially for a maximum freedom...


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Odobenine Walrus
post Jun 7 2012, 23:33
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On that note: I made a bs2b AudioUnit for use on OS X: https://github.com/MagisterLeoninus/bs2b-au

Place the bs2b-au.component file in ~/Library/Audio/Plug-Ins/Components/ and you should be able to use it with your favorite host application (I only tested it in AU Lab though).

You could then for example use Soundflower or jackosx to pipe all your audio through AU Lab with the bs2b plugin loaded and enjoy the crossfeed-goodness.

Cheers
Leo
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solfern
post Dec 13 2012, 16:43
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May you please update Audacious and / or XMMS plugin? I loved your plugin for foobar2000 so much, but since I'm on Linux I can no longer benefit from your superb work.

Thank you, Daniel from Czech rep.

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boris_mikhaylov
post Dec 17 2012, 13:53
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QUOTE (solfern @ Dec 13 2012, 20:43) *
May you please update Audacious and / or XMMS plugin? I loved your plugin for foobar2000 so much, but since I'm on Linux I can no longer benefit from your superb work.

You can contact directly with linux master of the project at http://www.hartwork.org .


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Windows X
post Dec 19 2012, 02:09
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It's been 5 years. Still love this plugin. I started with Jan Meier's configuration for portable use as my main amp grace m902 has his xfeed (Took me long enough to findout since there's no preset back then). After owning speakers system, I changed back to default configuration
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Windows X
post Dec 20 2012, 04:29
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I've been using this for five years. Must have for headphone users who love speakers stereo image. Will you consider making this for Android DSP plugin?
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