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sound card calibration problems

Discuss sound card calibration problems in the Subwoofer Equalization | Calibration forum; sound card calibration problems Hello everybody making soundcard calibration measurements,looped speaker o/p to line i/p,followed procedure(I think), but on the sound meter readings the ...


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Old 09-10-07, 08:17 AM   #1 (Link)
 
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sound card calibration problems


Hello everybody

making soundcard calibration measurements,looped speaker o/p to line i/p,followed procedure(I think), but on the sound meter readings the o/p is giving a top reading of- 9.0 and a bottom reading of -12 but the line in top reading is -66 and bottom of -110 (fluctuating) ie. virtually no signal.What am I doing wrong.(The readings are the numbers at the top and bottom of vu meters)

Regards:Alan


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Old 09-10-07, 08:48 AM   #2 (Link)
 
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Re: sound card calibration problems


Quote:
looped speaker o/p to line i/p
Are you using a stereo cable and connectors for the loopback?

brucek


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Old 09-10-07, 09:05 AM   #3 (Link)
 
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Re: sound card calibration problems


Hello brucek,

I am using 1/8" to Y Phono joined with phono to phono then Y Phono back to 1/8",is that ok


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Old 09-10-07, 09:40 AM   #4 (Link)
 
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Re: sound card calibration problems


Quote:
baritone wrote: View Post
I am using 1/8" to Y Phono joined with phono to phono then Y Phono back to 1/8",is that ok
The concept is OK, but there's still a chance there for you to be using a mono cable. Is the 1/8" end a stereo jack? If you look at it, are there three silver segments (a tip, a ring, and a sleeve)? These will be separated by two black bands. Or are there only two silver segments (a tip and a sleeve, separated by one black band)?

If you have only two silver segments, then you have a mono plug, and that is likely your problem.


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Old 09-10-07, 09:42 AM   #5 (Link)
 
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Re: sound card calibration problems


Quote:
is that ok
If the 1/8" connector is stereo, then that's fine. It's necessary for the 1/8" to be stereo because the soundcard jack is stereo and so the left and right channel must mate when the plug is pushed home. Select the right or left channel as the one to use in REW.

I guess you mean something like this?



brucek

edit: oops, cross post with otto...............


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Old 09-10-07, 10:06 AM   #6 (Link)
 
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Re: sound card calibration problems


hello brucek/otto

I`m using the cable eqivalent as in your getting started guide and joining them them with the phono to phono adapter, and the 1/8" has the the two black rings.

regards:Alan


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Old 09-10-07, 10:51 AM   #7 (Link)
 
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Re: sound card calibration problems


OK, that seems fine then.

Can you post a picture of the REW settings screen (and tell us the name and model of the soundcard)?

Here's a pic of mine to show you what I'm looking for.

Check Levelsxxxxx clear.jpg

brucek


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Old 09-10-07, 11:23 AM   #8 (Link)
 
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Re: sound card calibration problems


Hello brucek,
will send picture when I work out how, however the view is just about like your settings but my card is fortissimo III 7.1.My input volume is 1.0 where I have been trying to adjust it, the only other difference is that you have the calibration file and mine at this point says none.other than that it is the same.


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Old 09-10-07, 12:33 PM   #9 (Link)
 
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Re: sound card calibration problems


OK, are you sure (no offence) that you have the line-in correctly identified on the soundcard itself and it's connected to front out. It's so easy to plug into the wrong jack with so many available.

Do you have all the EQ and effects turned off in the Hercules software application. You also must be in stereo 2.0 mode with no small selected.

brucek


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Old 09-10-07, 02:04 PM   #10 (Link)
 
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Re: sound card calibration problems


Hello brucek

Checked connections, all ok, must be, as you say some effect not disabled,will keep trying,thanks for all your help.Could you recommend a simple ,cheap soundcard if I can`t sought this out.

Reagards; Alan


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Old 09-10-07, 02:26 PM   #11 (Link)
 
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Re: sound card calibration problems


This thread is quite revealing. I think you should read it.

The member shows tab for tab how he solved the problems he was having with the same card as you have.

Give it try before thinking about replacing your card...

brucek


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Old 09-10-07, 02:44 PM   #12 (Link)
 
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Re: sound card calibration problems


Thanks...Alan


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Old 09-28-07, 12:45 PM   #13 (Link)
 
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Re: sound card calibration problems


Quote:
brucek wrote: View Post
OK, that seems fine then.

Can you post a picture of the REW settings screen (and tell us the name and model of the soundcard)?

Here's a pic of mine to show you what I'm looking for.

Attachment 4312

brucek
Greetings,

Bruce, I have the Realtek soundcard as well. I am using a Toshiba laptop and I identified the output I believe (marked with a headphone symbol) however the only input I see is apprears to be a Mic input. Perhaps I missed something?

Any help is appreciated.

Regards,


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Old 09-28-07, 01:35 PM   #14 (Link)
 
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Re: sound card calibration problems


Quote:
I am using a Toshiba laptop and I identified the output I believe (marked with a headphone symbol) however the only input I see is apprears to be a Mic input. Perhaps I missed something?
My computer isn't a laptop. Most laptops only have a microphone input, with no line-in. The microphone input is unsuitable. Most people that have laptops purchase an external USB soundcard to use REW. They're very inexpensive...

brucek


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