Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Discussion about old sound cards, MIDI devices and sound related accessories.

Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2018-10-02 @ 21:00

Version 1.01 for Audigy is available now! See first post.

Known 1.01 bug:
- if you are using Creative's TSR SB16+FM emulation - the SYNTH level in ek2m is not working, WAVE level controls WAVE+SYNTH both channels

Enjoy!
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby Rabanik » 2018-10-09 @ 08:20

Hi Parus,
thank you for you great work! The mixer works perfect. I tried it on CT4620.
I have found only one disadvantage and it is that I can not to mix two audio analog signals together (for example CDIN + AUXIN => SPDIF OUT). It is not a matter of your MIXER but all analog inputs are a part of AC97 according to your schema. If I am wrong please correct me.
And what about Audigy card? Should I mix two analog signals together? I mean LINE IN with whatever analog input => SPDIF OUT). It seems that it is possible because LINE IN do not pass through the AC97 like the rest analog inputs.
I am curious about Audigy 2 schema.
P.S. Thank you for the BEEP IN!
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2018-10-09 @ 21:52

w0lf42 wrote:I did some more reading the documentation and trying options. I'm sure I'll refine this, but this works.

Code: Select all
ek1m -b
ek1m -as mix
ek1m -ai aux 100
ek1m -ai line 100
ek1m -ai cd 100
ek1m -io ac97 100 100 100 100 100 100


Thank you again for this software!

You can use not these large keys anytime. Just make dump file with full matrix and edit it as a text file then use it to load ekm with necessary parameters:
PARUS wrote:For boot mixer type ekm -b or ekm -boot. As default mode there are working analog front, analog rear (+SPDIF3), analog center/sub, and there is AC97 input disabled.
Then type command ekm -c > filename.ext with any filename and you'll create config file. It has text format, please see readme. For the future regular boots you don't need along a -boot key with default parameters. Just edit them in your config file and place in autoexec.bat the command ekm -f filename.ext. [Be sure the program runs in the current directory or in one of PATH-directories.]


Rabanik, you can mix all AC97 analog inputs on Live and on Audigy! It is the MIX mode :).
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby Rabanik » 2018-10-10 @ 14:22

Yes. All analog inputs work now! Thanks. It is amazing project. My favorite card is Audigy SB0090. This one has a working SPDIF02 IN on AUD_EXT header as you mentioned according to the SBLive! cards. It is pity that there is no way to get two other analog inputs LINE2 IN and AUX2 IN from 5,25" panel.
Maybe l0v3r or Samir should help with this problem. Does anyone know these guys?
https://www.hardwareheaven.com/communit ... 279/page-5
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Re: Multichannel DOS mixer for DOS sound builds, v0.44

Postby Schyz » 2018-10-13 @ 08:37

Hi Parus,

I must say I'm really impressed with your project. I'ts really useful for a busy space like mine where I cannot afford to have a mixing table.

Everything I wanted to do works, in the best possible way.

With this I can mix what I consider the best DOS audio setup. Great SB16 compatibility, true OPL3 with digital output, MT-32, SC-55 and DB50XG (without hanging note bug) to cover all the main options for music and of course optical drive. And I still have 2 digital and 1 analog inputs available.

Also I have to say that I haven't notice any impact in compatibility or any memory footprint. And thanks to mixing in the Live instead of the old AWE32 the overal quality of the audio has improved greatly, to the point that sometimes I wonder myself if I made a mistake and the audio is coming directly from the SB Live (it isn't, I haven't installed any driver for DOS)

This is my setup, quoting from some time ago when I explained my plans:

Schyz wrote:AWE32
- OPL3+EMU8k -> internal SPDIF-in
- Wave-out -> Line-in in the back with a male to male 3.5 mm stereo cable
(this is following your recommendation for cleaner AWE32 audio)

Keropi's MPU 401 clone
- Internal wavetable -> internal Aux-in with typical analog CD-Audio cable (the MPU 401 card has an internal line-out header for the midi daughterboard)
- External Roland CM-500 -> secondary external Line-in in external module / front panel

Optical Drive
- Internal CD-In with typical analog CD-Audio cable


The only criticism is that maybe the interface can be a bit hard to understand at the beginning, but once you get a proper working config it's just a matter of saving the configuration to a file and forget about it. I have even created a couple of batch files that allow me to switch between the wavetable and the external Roland synth (as both use por 330) just by tweaking the volume levels, but I see how it can be even better than a mixing table as you can customise and save levels per game and just run a batch file to launch each one.

Really good job. Thank you!
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2018-10-31 @ 07:22

w0lf42, Rabanik, Schyz, thank you very much!

Schyz, it's useful not only for a busy space. You said yourself that you followed my advice to take MIDI sounds from AWE cards via SPDIF, mute all AWE mixer except WAVE channel and take it via analog LINE OUT. This lets you get cleaner sound from AWE cards. If you try choose for this goal one of external mixers you will find that mixer which can do ANALOG+DIGITAL inputs at the same time costs a hundreds of euros :)
EMU10k mixer is easy to use with one computer and multiple several external MIDI devices. But if you use not single retro computer but multiple computers this mixer is uncomfortable you understand why.

Rabanik, when I did only think about internal EMU10k mixer idea I did think already about I2S inputs without 5'25 extension. I bought on ebay SPDIF>I2S converter but haven't received it yet. It's about 3-4 months. I think I will not see it :) Please show your ideas about I2S inputs. It is possible to connect ANALOG>I2S or SPDIF>I2S converters.
I bought too 4-5 months ago an SB0230 card with 4th SPDIF input on 5-pin header like on SB0220 card. I know the 4th SPDIF input doesn't work. I told about it to developer of this mixer and wait if his search for correct DSP registers will be successful or not.

By the way v1.01 for Audigy is not final in any case! There will be some add-on. It will make nice sound hues. Wait :)
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2018-12-01 @ 09:01

Rabanik, the first attempt with 4th S/PDIF input is unsuccessful. He tried some DSP registers but it isn't working :(

I've even installed KX driver which has very very advanced mixer with a lot of different faders and I couldn't find it. 4th input is silent yet. I don't know is it worth or not to work on this trouble.

There are inputs now:

LINE
CD
AUX
BEEP mono
TAD mono
MIC mono
SPDIF1
SPDIF2 - Audigy only
CD SPDIF
LINE2
AUX2

I think that's enough. Three AC97 analog stereo inputs, three AC97 analog mono inputs, two high-quality NON-AC97 analog stereo inputs, two (three on Audigy) digital inputs.
Audigy's final mixer is almost done and soon we'll think about Audigy2.
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby w0lf42 » 2019-3-27 @ 04:48

I'm attempting to pass the MIDI input from one sound card (ISA) into my Sound Blaster Live! 5.1 (PCI). The 40-pin header says that it has MIDI in (pin-27) and I have updated my configuration file to accept MIDI input:
-io synth 100 100 100 100 100 100

My Yamaha MU80 does not detect a signal -- though it does detect a MIDI signal if I send one directly from the Sound Blaster.

I know that my ISA card is working -- if I plug it into the Yamaha MU80, I get sound.

Is there a configuration setting that I need to setup?

Thanks
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2019-4-01 @ 07:25

w0lf42, a "synth" channel is a part of SOUND mixer and NOT MIDI ROUTING. If you turn MIDI volume on your ESS/YMF/SB16/AWE/AU8830/TB/etc it doesn't mean you switch on/off MPU401 channel on it. This mixer does the same too. It's SYNTH volume only. Its own synth! And this mixer does NOT any MIDI routes! You can't use MIDI input/output via this mixer.
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby w0lf42 » 2019-4-05 @ 03:32

Thanks for the clarification.
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby firage » 2019-6-22 @ 08:42

Bummer. "ek2m -b" just tells me "No compatible devices found." This is with the SB0090 Audigy in a PIII Tualatin machine.

No such complaint when run in a Windows DOS prompt, for whatever reason.
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2019-6-22 @ 16:42

It was tested on i440EX, i440BX, SiS661FX, i865, KT333 (I don't remember fine ek1m or ek2m, but ek2m was fully tested on 865).

What is your chipset?
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby firage » 2019-6-22 @ 16:51

440BX. It's a complex CUBX-E build with an YMF719, AWE64, the Audigy, Voodoo5 and Voodoo2. Every bit of IRQ's and DMA's in use somewhere. :)

Haven't troubleshot the issue by making any hardware changes yet.
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2019-6-23 @ 07:38

I never had 440BX myself. But ek1m was tested on BX. And I don't remember about ek2m. Let's ask people who is BX owner too. I have i845 with ISA and i865 with ISA and therefore I don't want buy 440BX at all (you understand why) but I'll ask all my friends on "local" forums who has BX and Audigy.

Who is BX and Audigy1 owner can you repeat please? We are interested in ek2m working in pure DOS. Thank you.
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby PARUS » 2019-6-23 @ 22:47

I just launched my SB0160 and SB0230 on my old i440EX PII-266 machine with ek2m ver:1.01. Both are working. My SB0090 is plugged into computer which is far from me now. But I don' see any reason why 0160/0230 work and 0090 doesn't work. I believe 0090 should work too. And I think all three revisions should work on 440BX too.

firage, please check your system again closely.

And I ask to all: who has 440BX machine please check ek2m too and tell about in this topic. Thank you!
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Re: Multichannel DOS mixer for DOS sound builds v0.49 for Live, v1.01 for Audigy

Postby firage » 2019-7-04 @ 23:07

The problem disappeared after a reformat and reinstall of 98SE. I will let you know if I learn anything more about the issue.
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