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Recording line in with Soundforge, and Audiophile 24/96
evereux
post Aug 10 2003, 10:34
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I'm having a problem recording the output from my CD player through the line in of my soundcard, the Midiman Audiophile (Window's XP).

The problem is distortion. I can't seem to find a way to attenuate the line level input in soundforge and this is causing clipping.

I'm beginning to wonder if this can be removed since during normal playback (through PC) I also get audible clipping, even when the line in is attenuated using Midiman's control panel. I suspect the Midiman doesn't like the output levels of my CD player?

I'm quite sure the input signal itself isn't a problem since playback direct through my amplifier reveals no clipping.

Any ideas?


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ancl
post Nov 16 2003, 19:01
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QUOTE (JeanLuc @ Nov 16 2003, 07:55 PM)
QUOTE (ancl @ Nov 16 2003, 05:52 PM)
I guess we all now about these but they control the output and not the input, and only in the digital domain.
The problem (or feature) with the Audiophile is that it can't change the amplitude of the analog signal before going to the D/A converter.

If the input signal to the soundcard is to high, the signal won't "fit" in the 24-bit digital range and will be clipped. What you do with the digital data after this does not matter - what is lost is lost. The only way to solve this is to lower the amplitude of the signal before it reaches the soundcard.

I still wonder why I can attenuate any analog input signal ...

You can (in the digital domain), but you can't get back the part of the analog signal that was to loud (because this require attenuation in the analog domain).
At least not on my AP2496 card...

Edit: clarification

This post has been edited by ancl: Nov 16 2003, 19:03
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Posts in this topic
- evereux   Recording line in with Soundforge   Aug 10 2003, 10:34
- - Pio2001   The line in level is not in Soundforge, it must be...   Aug 10 2003, 18:01
- - evereux   QUOTE If it is reduced, but is still clipped It i...   Aug 10 2003, 19:25
- - Pio2001   I think the solution is to find the line in record...   Aug 10 2003, 21:40
- - ancl   I have an Audiophile 24/96 myself, and as far as i...   Aug 11 2003, 00:01
- - Pio2001   ¿ WTF ?! I'm not going to get rid of my...   Aug 11 2003, 11:40
- - Brajanath   Hi, I'm new here (just started yesterday), an...   Nov 16 2003, 05:38
- - fewtch   QUOTE (Brajanath @ Nov 15 2003, 09:38 PM)My w...   Nov 16 2003, 08:39
- - Pio2001   QUOTE (Brajanath @ Nov 16 2003, 05:38 AM)Befo...   Nov 16 2003, 16:22
- - Brajanath   Your message is perfectly OK. I have not had the ...   Nov 16 2003, 16:56
- - Pio2001   I don't know... The problem with the cassette ...   Nov 16 2003, 17:10
- - Brajanath   QUOTE (fewtch @ Nov 15 2003, 11:39 PM)Not rea...   Nov 16 2003, 17:20
- - fewtch   QUOTE (Brajanath @ Nov 16 2003, 09:20 AM)QUOT...   Nov 16 2003, 17:53
- - JeanLuc   Of course you can adjust input sensitivity with th...   Nov 16 2003, 18:07
- - fewtch   QUOTE (JeanLuc @ Nov 16 2003, 10:07 AM)Of cou...   Nov 16 2003, 18:16
- - JeanLuc   It is the HW mixer which is situated besides the ...   Nov 16 2003, 18:25
- - Pio2001   QUOTE (fewtch @ Nov 16 2003, 05:53 PM)I don...   Nov 16 2003, 18:50
- - ancl   QUOTE (JeanLuc @ Nov 16 2003, 07:25 PM)It is ...   Nov 16 2003, 18:52
- - JeanLuc   QUOTE (ancl @ Nov 16 2003, 05:52 PM)I guess w...   Nov 16 2003, 18:55
- - ancl   QUOTE (JeanLuc @ Nov 16 2003, 07:55 PM)QUOTE ...   Nov 16 2003, 19:01
- - JeanLuc   QUOTE (ancl @ Nov 16 2003, 06:01 PM)You can, ...   Nov 16 2003, 19:09
- - Brajanath   QUOTE (Pio2001 @ Nov 16 2003, 09:50 AM)QUOTE ...   Nov 16 2003, 22:54
- - fewtch   QUOTE (Brajanath @ Nov 16 2003, 02:54 PM)My o...   Nov 16 2003, 23:22
- - Pio2001   QUOTE (JeanLuc @ Nov 16 2003, 07:09 PM)So I j...   Nov 17 2003, 01:46
- - Kos   Thiis is probably very banale for you in here, but...   Apr 21 2006, 09:56
- - AndyH-ha   I have to admit I have not read this very closely,...   Apr 21 2006, 20:20
|- - Pio2001   QUOTE (AndyH-ha @ Apr 21 2006, 09:20...   Apr 23 2006, 03:26
- - AndyH-ha   No that is incorrect. Some of those that use the W...   Apr 23 2006, 10:53
|- - Pio2001   I don't follow you. You are making a distinct...   Apr 24 2006, 19:43
- - AndyH-ha   Most analogue volume controls are passive. Potenti...   Apr 25 2006, 05:39


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