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Bug 183928 - media-plugins/eq-audacious-0.21 "preamp" fader resets to 0dB at every song change.
Summary: media-plugins/eq-audacious-0.21 "preamp" fader resets to 0dB at every song ch...
Status: RESOLVED WONTFIX
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: x86 Linux
: High normal
Assignee: Gentoo Sound Team
URL:
Whiteboard:
Keywords: PMASKED
Depends on: 238620
Blocks:
  Show dependency tree
 
Reported: 2007-07-02 05:50 UTC by gentoowok
Modified: 2009-05-22 01:03 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description gentoowok 2007-07-02 05:50:00 UTC
When applying a boost to some frequencies in eq-audacious, attenuation is required of the overall signal to avoid clipping (distortion). This is done by sliding the "preamp" fader down some amount. The problem is that at every song change or radio station change (ie next track in the playlist), the preamp fader's level resets back up to 0dB gain, resulting in a big increase in volume and lots of distortion of the previously boosted frequencies in the EQ.  The fader *visibly* does not change, the change happens internally. To work around this problem I usually drag the preamp fader from it's current position a single pixel up or down, which instantly causes the volume to return to it's previous level. 

Experiencing this behaviour across 3 separate x86 machines (an athlon-xp, a transmeta crusoe, and a Pentium4)

I have eq-audacious in 31-band ISO mode, with extra filtering enabled.

Versions and use flags (latest at time of writing):
 # emerge eq-audacious audacious-plugins audacious -pv
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild   R   ] media-plugins/eq-audacious-0.21  USE="mmx sse sse2 -debug" 0 kB 
[ebuild   R   ] media-plugins/audacious-plugins-1.3.5  USE="aac alsa esd flac mad modplug musepack nls opengl oss vorbis wma -adplug -arts -chardet -jack -lirc -pulseaudio -sid -sndfile -timidity -tta -wavpack" 0 kB 
[ebuild   R   ] media-sound/audacious-1.3.2  USE="nls -chardet" 51 kB 



Reproducible: Always

Steps to Reproduce:
1. emerge =audacious-1.3.2 =audacious-plugins-1.3.5 =eq-audacious-0.21
2. activate eq-audacious and it's gui through audacious preferences, plugins.
3. Load some tracks into the playlist and press Play
3. Slide the "Preamp" fader on eq-audacious down to -12dB, volume will be considerably reduced, as expected.
4. Press next track. 

Actual Results:  
Audible volume will jump back up to 0dB (no attenuation), but the Preamp fader remains visibly at the -12dB mark.

Expected Results:  
Audible sound should stay at -12dB, that is, it should match the Preamp fader's visible position which is still at -12dB

After the playlist moves to the next track, this problem can be worked around by moving the fader by one pixel, which causes the audible volume to jump back down to the fader's visible level. This obviously needs to be done after every single track change.
Comment 1 Samuli Suominen (RETIRED) gentoo-dev 2009-05-11 08:52:11 UTC
package.masked for removal as per audacious upstream's advise.