Created attachment 503284 [details] Output of alsa-info Description of problem: Sound is completely distorted when played through the pulseaudio equalizer. Version-Release number of selected component (if applicable): Since Fedora 15 How reproducible: Tried with banshee, rhythmbox, totem Steps to Reproduce: 1. use a global equalizer setting 2. listen to some music or video via the programs mentioned above 3. observe completely distorted sound Actual results: Sound is distorted beyond comprehension Expected results: equalized sound Additional info: This worked correctly on the same hardware with fedora 13. Sound hardware information is attached to this report
Created attachment 505113 [details] output of alsa-info Same issue on fedora 15 tested with quodlibet, totem tested with pavucontrol running / not running (some distortion problems on fedora 14 when not running) identity of usb souncard (lsusb) Bus 002 Device 003: ID 06f8:c000 Guillemot Corp. Hercules Muse Pocket hardware as attachment
The distorsion is coming from the mbeq ladspa plugin; there is a native equalizer plugin for pulseaudio ( that I hope will perform better), which we don't have in the repos for some reason.
Yes, sure it's coming from the ladspa plugin. But why did it stop working in F15 while it worked before on the same hardware? It always had the tendency to add distortion to the sound, but in the sense of "not high fidelity" instead of "completely unrecognisable". Having the option to use the native equalizer would be very very much welcomed, because as far as I remember having read somewhere it is technically superior and also doesn't produce these "low fidelity" artefacts. Do you have any pointers on where to get the native plugin?
http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/module-equalizer-sink.c
any news or help if the problem can/will be fixed?
pulseaudio-equalizer is not maintained upstream anymore. I don't have any idea if the issue will be fixed ( I don't have much time to go through it ).
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