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Windows 7: Some music plays properly, and some don't (rear speakers Quadraphonic)

02 Nov 2018   #1
Tommo020788

Windows 10Pro 64bit
 
 
Some music plays properly, and some don't (rear speakers Quadraphonic)

Hi everyone,
I have noticed something a little strange when playing different music files.
I have two different mp3 files, one plays through all speakers equally, and the other sends a quiet kind of muffled sound with a reverb kind of effect to it.

I'm wondering why some music plays full through all speakers, but others come out as mentioned above.

Could anyone give some advice on this, and perhaps a way to fix this?

I've got the media info on each file, and I've attached them as two text files.
"Musicinfo.txt" is the one that plays equally through all speakers.
"Musicinfo2.txt" is the one that plays with the muffled, "reverb" sound.




Attached Files
File Type: txt musicinfo.txt (1.9 KB, 0 views)
File Type: txt musicinfo2.txt (1.8 KB, 0 views)
My System SpecsSystem Spec
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02 Nov 2018   #2
Barman58

Windows 10 Pro x64 x3, Ubuntu
 
 

This would likely be due to the simple fact that different files are encoded with different settings, consider an old fashioned vinyl record, although you have the latest "Stereo" equipment, a monaural recording will only ever play as "Mono".

The same situation exists with modern digital recordings, the playback function have to be encoded into the data to be able to choose the function at playback. A lot of modern equipment will have an option to Upscale to a function that is not encoded, [This is seen more in Video than Audio], but the actual results are variable at best.

You will need to check the recordings you purchase for the playback options that you want to hear, but to be honest, quadraphonic or even the current 5.1 or 7.1 surround is not usually used for audio as most people only listen in Stereo, My Home Theatre system has various Surround sound options, including automatic switching, the "Music" option reduces output to 2.1 [Stereo plus sub], even if it is a 5.1 source
My System SpecsSystem Spec
02 Nov 2018   #3
Tommo020788

Windows 10Pro 64bit
 
 

Hi,
Thanks for responding.
I'm aware that the recording for a lot/most music will not be encoded to use more than 2 channels (stereo). What I'm wanting to do though, is to duplicate those two channels to the rear speakers.
I forgot to mention that I'm using the "speaker fill" option in the "Realtek HD Audio Manager" in order to make it so that music is played through all speakers, and all music does play through all speakers, but its not equal in the rear speakers.
I want it to be playing equally through all speakers, kinda the same way it should in a car.

I'm slightly autistic when it comes to sound, so having a good balance of sound in the room is really important to me, and hearing sound from 2 speakers directly in front of me with nothing coming in from behind in an equal way seems to get me really irritated.
I'm not saying the way I have it set up is "best quality" or something. Its just what works for me.

What I'm wondering though, is what the specific differences between the two audio files are (I attached the information for both files in the op) and if there's anything I can do to get around this.
I exported the info using software called "MediaInfo" which shows how the audio files were recorded, and encoded.
The only difference I think I can spot is that they encode using different versions of "LAME".

File with unusual sound: LAME 3.99.5
File with full stereo in all speakers: LAME 3.93
My System SpecsSystem Spec
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02 Nov 2018   #4
Barman58

Windows 10 Pro x64 x3, Ubuntu
 
 

It could well be that the encoding option has been removed from the later software, it's always a case that if a function is not used by a lot of users, [Which I would imagine is the case here], then the function is marked for removal to streamline the software].

I'm wondering if there may be a third party option to force the issue for you. There is an open source/ free "super" equaliser called Peace Equaliser that may allow you to set up the speakers as you wish - The software is another link in the chain, but has upscale options which may allow your control. It is a system wide EQ and Shaper and It also can be set to work in different ways with different inputs, either by device or software so could be something to look at
My System SpecsSystem Spec
02 Nov 2018   #5
Tommo020788

Windows 10Pro 64bit
 
 

Thanks for that
I'll go check it out now 'n' see how it goes
My System SpecsSystem Spec
02 Nov 2018   #6
Barman58

Windows 10 Pro x64 x3, Ubuntu
 
 

It's a software written for audiophiles by audiophiles, it's not simple to use and does need the download of an API (all explained in the site linked) but it should be able to do anything you want with fine control
My System SpecsSystem Spec
02 Nov 2018   #7
Tommo020788

Windows 10Pro 64bit
 
 

Oh my god I've been looking for a free application like this for years!
Thank you man.
Upmix worked perfectly unlike the crappy Realtek software upmix.
100% better sound using this software.
This software gives me control of stuff I've wanted to have control over for the last 10 years


but... does it work in the background if its closed...? 0_o
I guess it must, because it gives a hotkey option to change certain settings.
My System SpecsSystem Spec
02 Nov 2018   #8
Tommo020788

Windows 10Pro 64bit
 
 

Quote   Quote: Originally Posted by Barman58 View Post
It's a software written for audiophiles by audiophiles, it's not simple to use and does need the download of an API (all explained in the site linked) but it should be able to do anything you want with fine control

Hmm I haven't been able to find an option to swap back to 4 channel surround sound.
I can only see an option for 5.1 and 7.1 surround sound, but I don't have a center speaker, so setting it to 5.1 ends up with problems.

Would you know of a way to make a setting for this which would set it back to what Realtek calls "quadraphonic"?
My System SpecsSystem Spec
02 Nov 2018   #9
Barman58

Windows 10 Pro x64 x3, Ubuntu
 
 

Only way I can think of is to choose 5.1 and then attenuate the unused channels or better still add the output to the relevant L/R speakers [Front or rear), which should match what I remember of the old Quadraphonic system [twin Stereo with the rear speakers attenuated. I've only used the software myself for "basic" EQ work to match audio Inputs to a better sound output.

There are also controls on the base API, PeaceEQ is an add on to the Base software EqualiserAPO which also has other Addons that may have a quadraphonic output preset

There is a forum at the site I linked to which may allow you to ask the question to those with more experience than I have, and also of course the developers are regulars there so may even "adjust" the software to help you, there are a lot of Presets for different uses and actual physical devices which may suit or maybe just give a starting point for experimentation.

Our resident Audio Guru on this forum is @fireberd who is a Pro with his own Studio, the mention here should make him aware of this thread and he may have some suggestions, he is US based so there may be a delay in reply
My System SpecsSystem Spec
02 Nov 2018   #10
Tommo020788

Windows 10Pro 64bit
 
 

Cheers again. I'll head over and ask at the developer's forum.
My System SpecsSystem Spec
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 Some music plays properly, and some don't (rear speakers Quadraphonic)




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