Audiosignal is distorted

darudaru · Feb 6, 2005, 04:22 PM

First sorry for my poor english, but I would like to explain it as well as possible.

I have a Teufel Concept E Magnum (Full-active 5.1 System) that operates behind a Soundblaster Live 5.1 Digital Soundcard. If I route a signal direcly to the outputs the sound is distorted. I have to set a volume slider (-9) in the signalway to get a relative clear sound (its still not Hifi).

e.g.
If i play a song in winamp and set the volume in winamp to maximum the sound ist distorted. Then i set the volume level to e.g. 80% the sound is clear. The same problem happens with other audio sources.

Is this a normal thing (i not hope so) or have i made any mistakes by deinstalling the old creative-driver ?

What can i do do to get a very nice clear sound ?

Hope you've understand my problem!

TravelRec. · Feb 7, 2005, 09:58 AM

Hi!

Normally the soundblaster´s output is at 0db max. so change the input of your active system that it can run at 0db (try this with an accurate cd-player output). If no help, check the output of the DSP with a peakmeter. If it shows a constantly high level while playing back, the distortion occures before the output. Check for plugins in the signal path and bypass them for testing. Be sure that you have no extreme EQ-settings or any other gain amplification to avoid distortion inside the DSP.

darudaru · Feb 7, 2005, 03:10 PM

Hi!

@TravelRec.: Ich seh' gerade das du aus D bist, dann mal kurz eine Erklärung.
Selbst wenn ich eine Quelle im DSP (alles gelöscht) direkt auf einen Ausgang gebe gibt es diese Verzerrungen. Da ist kein Gain etc. zwischengeschaltet .. das Signal wird soweit ich weiss nur von der Quelle auf den Ausgang gegeben.

Setze ich aber jetzt einen Gain dazwischen und stelle ihn auf ca. -7 bis -9db erhalte ich einen sauberen Klang (dafür aber afaik eine geringere Dynamik).

Es kommt mir fast so vor als wenn die Soundkarte in den Kopfhörerbetrieb umschaltet (falsche Impedanz des aktiven Systems?) und einen höheren Ausgangspegel ausgibt.

@all: Sorry for writing in german, but TravelRec is from germany and its much easier for me to write a few words in german to tell him my problem. thx!

TravelRec. · Feb 8, 2005, 06:32 AM

Hi again!

I understand. What´s with the output, are you using the rear or the front? At front out a headphone amp is connected between DSP and physical output. Try to use the rear, there is a plain OP-amp with exactly that impedance you need (47kOhm).

If any questions more: go to www.electricstart.de, write a mail via form and I will answer in german (give me some time, I´m a bit stressed these days

)

Greetings!

darudaru · Feb 8, 2005, 02:11 PM

Hi!
My Frontspeakers are connected to the rearoutput and its still distored. The sub and the center plays a distored signal too.
Meanwhile I think its the PCI-Bus or anything of the driver that produces the issue.
Is this possible ?
If I can't take a step forward ill mail you, thx for the offer.

TravelRec. · Feb 9, 2005, 10:39 AM

Quote:

Originally Posted by darudaru

Hi!
My Frontspeakers are connected to the rearoutput and its still distored. The sub and the center plays a distored signal too.
Meanwhile I think its the PCI-Bus or anything of the driver that produces the issue.
Is this possible ?
If I can't take a step forward ill mail you, thx for the offer.

Yep, no problem. Check your system again to see what´s wrong. BTW: have you uninstalled all creative drivers before? And if yes, are you sure there is no part of the old stuff running? Check it with DriverCleaner.

Feb 6, 2005, 04:22 PM	#1
darudaru DriverHeaven Newbie Join Date: Feb 2005 Location: NRW Posts: 3 Rep Power: 0	Audiosignal is distorted First sorry for my poor english, but I would like to explain it as well as possible. I have a Teufel Concept E Magnum (Full-active 5.1 System) that operates behind a Soundblaster Live 5.1 Digital Soundcard. If I route a signal direcly to the outputs the sound is distorted. I have to set a volume slider (-9) in the signalway to get a relative clear sound (its still not Hifi). e.g. If i play a song in winamp and set the volume in winamp to maximum the sound ist distorted. Then i set the volume level to e.g. 80% the sound is clear. The same problem happens with other audio sources. Is this a normal thing (i not hope so) or have i made any mistakes by deinstalling the old creative-driver ? What can i do do to get a very nice clear sound ? Hope you've understand my problem!

Feb 7, 2005, 09:58 AM	#2
TravelRec. Alternative Audioproductions Join Date: Sep 2003 Location: Germany / Sachsen-Anhalt Posts: 1,710 Rep Power: 0	Hi! Normally the soundblaster´s output is at 0db max. so change the input of your active system that it can run at 0db (try this with an accurate cd-player output). If no help, check the output of the DSP with a peakmeter. If it shows a constantly high level while playing back, the distortion occures before the output. Check for plugins in the signal path and bypass them for testing. Be sure that you have no extreme EQ-settings or any other gain amplification to avoid distortion inside the DSP. __________________ Always take a look behind.

Feb 8, 2005, 06:32 AM	#4
TravelRec. Alternative Audioproductions Join Date: Sep 2003 Location: Germany / Sachsen-Anhalt Posts: 1,710 Rep Power: 0	Hi again! I understand. What´s with the output, are you using the rear or the front? At front out a headphone amp is connected between DSP and physical output. Try to use the rear, there is a plain OP-amp with exactly that impedance you need (47kOhm). If any questions more: go to www.electricstart.de, write a mail via form and I will answer in german (give me some time, I´m a bit stressed these days ) Greetings! __________________ Always take a look behind.

Feb 7, 2005, 03:10 PM	Thread Starter #3
darudaru DriverHeaven Newbie Join Date: Feb 2005 Location: NRW Posts: 3 Rep Power: 0	Hi! @TravelRec.: Ich seh' gerade das du aus D bist, dann mal kurz eine Erklärung. Selbst wenn ich eine Quelle im DSP (alles gelöscht) direkt auf einen Ausgang gebe gibt es diese Verzerrungen. Da ist kein Gain etc. zwischengeschaltet .. das Signal wird soweit ich weiss nur von der Quelle auf den Ausgang gegeben. Setze ich aber jetzt einen Gain dazwischen und stelle ihn auf ca. -7 bis -9db erhalte ich einen sauberen Klang (dafür aber afaik eine geringere Dynamik). Es kommt mir fast so vor als wenn die Soundkarte in den Kopfhörerbetrieb umschaltet (falsche Impedanz des aktiven Systems?) und einen höheren Ausgangspegel ausgibt. @all: Sorry for writing in german, but TravelRec is from germany and its much easier for me to write a few words in german to tell him my problem. thx!

Feb 8, 2005, 02:11 PM	Thread Starter #5
darudaru DriverHeaven Newbie Join Date: Feb 2005 Location: NRW Posts: 3 Rep Power: 0	Hi! My Frontspeakers are connected to the rearoutput and its still distored. The sub and the center plays a distored signal too. Meanwhile I think its the PCI-Bus or anything of the driver that produces the issue. Is this possible ? If I can't take a step forward ill mail you, thx for the offer.