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How can I get stereo sound from mono input?


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#1 zesty

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Posted 15 March 2007 - 07:18 AM

huh.gif Help!! I'm using EMC 7.5 and taking lp's and making them into cd's. I have a usb audio device and hook into the headphone jack of an old record player. My problem is that I can only get left channel sound. Is there any way to convert mono sound to stereo sound so I can hear the music out of BOTH speakers??!!!
Thank you for any and all help!
-Cheri

#2 malatekid

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Posted 15 March 2007 - 07:35 AM

Check out these threads for some suggestions.

http://forums.support.roxio.com/index.php?...pic=4658&hl

http://forums.support.roxio.com/index.php?...pic=5153&hl

Edited by malatekid, 15 March 2007 - 07:47 AM.

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#3 d_deweywright

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Posted 15 March 2007 - 08:49 AM

QUOTE (zesty @ Mar 15 2007, 11:18 AM) <{POST_SNAPBACK}>
huh.gif Help!! I'm using EMC 7.5 and taking lp's and making them into cd's. I have a usb audio device and hook into the headphone jack of an old record player. My problem is that I can only get left channel sound. Is there any way to convert mono sound to stereo sound so I can hear the music out of BOTH speakers??!!!
Thank you for any and all help!
-Cheri

Can you give us some more details of your setup?  Is it a stereo with a separate turntable feeding an amplifier?  And then you're taking the signal from the headphone output of the amplifier?  Or is it something more, for lack of a better work, primitive?  

If you plug headphones into that jack, do you hear sound in both ears?  If not, then you really should be getting the stereo/turntable/record player fixed, because you're missing one channel, and no post processing will recover the music you're not recording.  Do you hear music out of both channels of your stereo speakers?

So, let's see if we can get a handle on the root cause of the problem before trying to come up with a hokey solution.
Dave D-W

Beware the lollipop of mediocrity.  Lick it once and you'll suck forever.  - Brian Wilson

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#4 zesty

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Posted 15 March 2007 - 09:03 AM

QUOTE (d_deweywright @ Mar 15 2007, 08:49 AM) <{POST_SNAPBACK}>
Can you give us some more details of your setup?  Is it a stereo with a separate turntable feeding an amplifier?  And then you're taking the signal from the headphone output of the amplifier?  Or is it something more, for lack of a better work, primitive?  

If you plug headphones into that jack, do you hear sound in both ears?  If not, then you really should be getting the stereo/turntable/record player fixed, because you're missing one channel, and no post processing will recover the music you're not recording.  Do you hear music out of both channels of your stereo speakers?

So, let's see if we can get a handle on the root cause of the problem before trying to come up with a hokey solution.



Ok....I borrowed a record player (the old fashioned all in one kind that has it's own speaker). When I plug into the headphone jack I only hear it playing in my left ear. I thought that was because these old ones only had mono sound so that's why I only heard it through the left side. But maybe that's not what mono sound does?

#5 d_deweywright

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Posted 15 March 2007 - 04:37 PM

QUOTE (zesty @ Mar 15 2007, 12:03 PM) <{POST_SNAPBACK}>
Ok....I borrowed a record player (the old fashioned all in one kind that has it's own speaker). When I plug into the headphone jack I only hear it playing in my left ear. I thought that was because these old ones only had mono sound so that's why I only heard it through the left side. But maybe that's not what mono sound does?

That's entirely possible, it's possible that the entire system is monophonic.  But, wouldn't you rather get a true stereo turntable and get both channels off your stereo records?  Or are you working with older, monophonic records too?  (Definitely not an impossibility... I've done quite a number.)    Personally, I'd look for a new turntable, with a built-in pre-amplifier that will give you a stereo input to your sound card, because "simulating" stereo isn't as good as the original.

So, if you're stuck with the mono setup, Sound Editor doesn't give you a good way to copy one channel to the other, so what you want to do, is hit up your local radio shack and get an adapter with a single, 1/4" mono plug at one end, and two RCA jacks at the other.  Or some combination that will give you this.  Now you can plug your stereo cable into the two RCA jacks and the 1/8" stereo plug into your sound card, and get the same signal into both channels.  Once you've got your songs recorded, open them in Sound Editor and under Sound Effects (or Sound FX, I forget how it was labelled in EMC 7.5) look for the mono-stereo effect.  You can listen to it as you play the songs to see what setting sounds best to you.  Then when you're done, select "Export Current Clip" and select a folder to save it in, then click the "Export" button.

Hope that helps!
Dave D-W

Beware the lollipop of mediocrity.  Lick it once and you'll suck forever.  - Brian Wilson

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