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/  Forum Index
   /  Amiga OS4 Hardware
      /  Does OS4 and a basic soundcard support headphones?
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Hypex 
Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 15:46:49
#1 ]
Elite Member
Joined: 6-May-2007
Posts: 11180
From: Greensborough, Australia

For some reason I've never tried this in almost the last ten years but I wanted to use headphones on my A1. I plugged in a pair to the back of my SB Live 5.1 thinking one socket had to be for headphones but none worked. I used AHI Prefs to test.

I then loaded up the Mixer. I set all the levels up and then tested the sockets again. Nothing! Only sound from my speakers. Is it true than that neither OS4 nor my soundcard supports headphones!? Well that is totally lame!

Or is it that a headphone socket must be plugged into the sound card via a special adapter like a CD? Bit overkill that would seem.

This is such a basic feature. I find it hard to beleive there is no headphpne socket! Doesn't help my case has none either.

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broadblues 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 16:09:53
#2 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4446
From: Portsmouth England

@Hypex

Quote:

For some reason I've never tried this in almost the last ten years but I wanted to use headphones on my A1. I plugged in a pair to the back of my SB Live 5.1 thinking one socket had to be for headphones but none worked. I used AHI Prefs to test.


Pluging directly to the main speaker out din't work? Definetly did on the sb128 .

Otherwise what speakers are you using do they not have a head phone socket?

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 16:11:03
#3 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@Hypex,

Should work. Headphones are normally hooked into the main outs with a couple of transistors to boost the level a bit but should be straight thru.

Chris

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Daedalus 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 16:11:05
#4 ]
Super Member
Joined: 14-Jul-2003
Posts: 1680
From: Glasgow - UK, Irish born

@Hypex

The SBLive has 3 outputs, but they're all line and used for the surround. The main one that your speakers plug into (usually green) is the main stereo out, and that's where you should plug your headphones. They should work fine there, but of course you have to disconnect your speakers to do that.

I'm not sure if the card itself supports reassigning the connectors for different function, and I don't think OS4 supports it either.

There were front panel add-ons for some of the higher end Soundblaster cards and they supported headphones, but whether you can use one with your card, I don't know.

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broadblues 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 16:22:31
#5 ]
Amiga Developer Team
Joined: 20-Jul-2004
Posts: 4446
From: Portsmouth England

@broadblues

TBH the best advice is google your card and :RTFM:[quote]

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 17:37:19
#6 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@Daedalus,

Software needed to use headphones on that card. You called it.

Chris

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 20:58:12
#7 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@Hypex,

Headphone amplifiers on Amazon for less than $20 us or you can DYI one real cheap.

Chris

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lylehaze 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 6-Sep-2014 23:34:35
#8 ]
Super Member
Joined: 1-Sep-2004
Posts: 1142
From: North Florida - Big Bend area.

@Hypex

If your card is wired for the "AC97" standard, then it's up to your headphone jack to switch the green speaker output in and out.
THe newer HDAudio standard has headphones on a separate DAC, and it's up to the driver.. it can even send different audio to the headphones without interrupting the main (green) outputs.

A problem is that AC97 and HDAudio have the same header size and key.. so it's not always obvious which one you have.

I have attached a picture of how th4e AC97 stuff is wired. Basically the headphone jack has Normally-closed contacts that will open on insertion, which breaks the signal path back to the sound card. (FP_RETURN)

:)

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 4:59:45
#9 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@lylehaze,

Looks like what we need is some-kind of universal GUI that can give a few options for some sound cards/chipsets. Some basic functions for some to start with.

Chris

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lylehaze 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 5:28:36
#10 ]
Super Member
Joined: 1-Sep-2004
Posts: 1142
From: North Florida - Big Bend area.

@QuikSanz

I just checked the online manual. If I was reading the right one then there is no
header for any case audio to plug in, neither AC97 nor HDAudio.

The book I read says the green jack is for the main speaker pair AND headphones, so it
looks like manual switching will be required.

Of course, that assumes I was reading the correct manual.

Software alone can't fix this one.

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 6:02:03
#11 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@lylehaze,

In the troubleshoot pages,

"No sound from the headphones.
Check the following:

The headphones are connected to the Headphones jack.

Under the
Speaker
view in the Main deck of Surround Mixer, make sure that the Speaker
selected is

Headphones

.

In the Mixer deck of Surround Mixer, the recording source selected is

What U Hear
”"

Looks like a software switching issue to me.

Chris


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Tomas 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 6:06:19
#12 ]
Elite Member
Joined: 25-Jul-2003
Posts: 4286
From: Unknown

@Hypex
If you want to use both speakers and headphones at same time I would suggest hooking up regular a hifi amplifier and using the headphone output on that. This will in many cases improve audio quality as well since the built in soundcard amplifier is not strong enough to drive many headphones.
You can also get a special amplifier designed for pcs, but you have to make sure then that it does not require usb, drivers and can be hooked up through analog/digital output of your soundcard.

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 6:09:29
#13 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@Tomas,

See post #7.

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Daedalus 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 12:26:24
#14 ]
Super Member
Joined: 14-Jul-2003
Posts: 1680
From: Glasgow - UK, Irish born

@Tomas

Yes, good advice. I've never actually owned a set of computer speakers, since they tend to be overpriced and lower in quality than an equivalent Hifi setup. A basic amp and bookshelf speakers can be had for very cheap second hand, and will give excellent headphone sound quality and multiple inputs for using with a number of computers.
An example amp on eBay and some speakers.

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Hypex 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 15:01:21
#15 ]
Elite Member
Joined: 6-May-2007
Posts: 11180
From: Greensborough, Australia

@broadblues

Quote:
Pluging directly to the main speaker out din't work?


I didn't try that as I expected a line-out to be too weak. And expected a normal headphone jack.

Quote:
Otherwise what speakers are you using do they not have a head phone socket?


I'm using the speakers on my LCD TV/monitor but for some reason they didn't include a headphone jack.

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Hypex 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 15:18:50
#16 ]
Elite Member
Joined: 6-May-2007
Posts: 11180
From: Greensborough, Australia

@QuikSanz

I suppose I could try the main out but I'd need YAC (yet another cable) to drag from the back to the front to make it useful.

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Hypex 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 15:24:34
#17 ]
Elite Member
Joined: 6-May-2007
Posts: 11180
From: Greensborough, Australia

@Daedalus

Was hoping my speakers plug could stay in place but alas it loosk not. According to the manual it should auto switch.

A front panel add-on sounds nice but I have no space for that on my tower.

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Hypex 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 15:27:47
#18 ]
Elite Member
Joined: 6-May-2007
Posts: 11180
From: Greensborough, Australia

@lylehaze

Quite extensive answer with the diagram there. Thanks for that one. Mine looks like a standard card with the Emu10K chip so will need to look up the back header on mine.

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Daedalus 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 16:37:02
#19 ]
Super Member
Joined: 14-Jul-2003
Posts: 1680
From: Glasgow - UK, Irish born

@Hypex

Yeah, there are so many variations of the SB cards out there that you can never be sure exactly what options yours has from a generic manual. Mine doesn't have a CD-in header for internal audio connections for example - there's a blank space on the PCB where it should be. (It does have a TAD header which is basically useless...). I have the connector for the front panel audio module, and it's a custom SoundBlaster one so neither AC97 nor HDAudio cables will work with it. I don't have the module itself though, but that is what you need for automatically using headphones.

If you were good with a soldering iron, you could add a headphones socket yourself on a blanking plate somewhere. The pinouts are here, and it looks like the same connector as my SBLive Digital.

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QuikSanz 
Re: Does OS4 and a basic soundcard support headphones?
Posted on 7-Sep-2014 16:59:51
#20 ]
Super Member
Joined: 28-Mar-2003
Posts: 1236
From: Harbor Gateway, Gardena, Ca.

@Hypex,

Another option is to put a .125 inch Y adapter on your mains, Plug your speakers in 1 output and headphone amp in the other. Done on the cheap. A real amp would be nicer of course due to tone controls and lots of inputs.

Chris

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