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Thread: PulseAudio Equalizer Script

  1. #181
    Join Date
    Aug 2009
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    55

    Re: PulseAudio Equalizer Script

    im running ubuntu 9.10 with latest updates. I've installed the attached .deb, while installing it downloaded 2 files. now i've got P-A-equalizer in gnome menu, but it will not start. the output in console says "Traceback (most recent call last):
    File "/usr/share/pulseaudio-equalizer/pulseaudio-equalizer.py", line 519, in <module>
    Equalizer()
    File "/usr/share/pulseaudio-equalizer/pulseaudio-equalizer.py", line 354, in __init__
    GetSettings()
    File "/usr/share/pulseaudio-equalizer/pulseaudio-equalizer.py", line 62, in GetSettings
    persistence = int(rawdata[6])
    ValueError: invalid literal for int() with base 10: ''
    "
    what should i do? the idea is awesome, and i'd like to try....

  2. #182
    Join Date
    Nov 2005
    Location
    Ireland
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    2,605
    Distro
    Ubuntu Development Release

    Re: PulseAudio Equalizer Script

    Quote Originally Posted by repsakkgn View Post
    im running ubuntu 9.10 with latest updates. I've installed the attached .deb, while installing it downloaded 2 files. now i've got P-A-equalizer in gnome menu, but it will not start. the output in console says "Traceback (most recent call last):
    File "/usr/share/pulseaudio-equalizer/pulseaudio-equalizer.py", line 519, in <module>
    Equalizer()
    File "/usr/share/pulseaudio-equalizer/pulseaudio-equalizer.py", line 354, in __init__
    GetSettings()
    File "/usr/share/pulseaudio-equalizer/pulseaudio-equalizer.py", line 62, in GetSettings
    persistence = int(rawdata[6])
    ValueError: invalid literal for int() with base 10: ''
    "
    what should i do? the idea is awesome, and i'd like to try....
    Did you previously test the equalizer before it was packaged in .deb form? If so, delete the old script and the saved settings:
    Code:
    $ sudo rm /usr/local/bin/pulseaudio-equalizer.sh
    $ rm ~/.pulse/equalizerrc*
    Then try again.

  3. #183
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    Nov 2005
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    Ireland
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    Ubuntu Development Release

    Re: PulseAudio Equalizer Script

    Quote Originally Posted by phish3 View Post
    I made a thread for the upstream/qpaeq based equalizer, please direct relevant posts here http://ubuntuforums.org/showthread.php?t=1378087
    Thanks, I've provided a link to your thread in the first post.

  4. #184
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    Nov 2005
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    Ubuntu Development Release

    Re: PulseAudio Equalizer Script

    Quote Originally Posted by diddy1234 View Post
    Could I also request this be added either as standard or as a repo add on ?

    How do we go about getting Ubuntu to include this ?
    I'm not sure if that's worthwhile, considering the alternative EQ implementations for PulseAudio which are currently superior. I wrote the script and Python interface for some fun and for some practice in programming in Python, but the code is a mess. I haven't even moved the source to a suitable repository yet (though I will soon).

    regarding the frequency banding, I know that this can be edited by the user (as I have done) but it would be nice if 30hz existed as well as 15khz (between 10khz and 20khz).
    The script cannot offer bands which are not already supported by the LADSPA plugin currently in use. Version 2.4 uses the mbeq_1197" plugin. Take a look at the plugin information:

    Code:
    conn@inspiron:~$ analyseplugin mbeq_1197
    
    Plugin Name: "Multiband EQ"
    Plugin Label: "mbeq"
    Plugin Unique ID: 1197
    Maker: "Steve Harris <steve@plugin.org.uk>"
    Copyright: "GPL"
    Must Run Real-Time: No
    Has activate() Function: Yes
    Has deativate() Function: No
    Has run_adding() Function: Yes
    Environment: Normal or Hard Real-Time
    Ports:	"50Hz gain (low shelving)" input, control, -70 to 30, default 0
    	"100Hz gain" input, control, -70 to 30, default 0
    	"156Hz gain" input, control, -70 to 30, default 0
    	"220Hz gain" input, control, -70 to 30, default 0
    	"311Hz gain" input, control, -70 to 30, default 0
    	"440Hz gain" input, control, -70 to 30, default 0
    	"622Hz gain" input, control, -70 to 30, default 0
    	"880Hz gain" input, control, -70 to 30, default 0
    	"1250Hz gain" input, control, -70 to 30, default 0
    	"1750Hz gain" input, control, -70 to 30, default 0
    	"2500Hz gain" input, control, -70 to 30, default 0
    	"3500Hz gain" input, control, -70 to 30, default 0
    	"5000Hz gain" input, control, -70 to 30, default 0
    	"10000Hz gain" input, control, -70 to 30, default 0
    	"20000Hz gain" input, control, -70 to 30, default 0
    	"Input" input, audio
    	"Output" output, audio
    	"latency" output, control
    There seems to be too many mid range bands, are these needed ?

    The 10khz and 20khz cover too much frequency range.
    There's no need to hide them, either.

    What I have done is constrain the negative and positive ranges for the control ranges, because the mbeq_1197 filter tends to introduce aliasing/distortion when you set the gain to any positive value, and also to make user adjustments of the sliders more convenient.

    With exception to "Laptop", all the included presets suffer from this problem (as they're ported from VLC's equalizer, which does not have distortion problems). Recently, I haven't had time to investigate ways to mitigate this problem (and not many ladspa EQ plugins currently exist).
    Last edited by psyke83; January 15th, 2010 at 06:08 PM.

  5. #185

    Re: PulseAudio Equalizer Script

    Can I just say, as a relative newbie to Ubuntu (and linux in general) that I am extremely grateful for the creator/s of this package. I had been searching for one of these for over 2 years and now that I've found one, I will most likely stick to Ubuntu for a very long time (it was the main reason for me going back to Windows for a while - I like my sound)

    Thanks once again.

  6. #186
    Join Date
    Nov 2008
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    25

    Re: PulseAudio Equalizer Script

    Thanks for your reply.

    I still think its an excellent add on.

    I will look at your other post regarding a better control

    If I were to implement a better control, how do i remove this current installation ?

    Id rather not compile from source just yet, hence your current files are easy to install and get working.
    Last edited by diddy1234; January 27th, 2010 at 12:04 AM.

  7. #187
    Join Date
    Aug 2007
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    19
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    Ubuntu 9.10 Karmic Koala

    Re: PulseAudio Equalizer Script

    Works a treat thanks very much

  8. #188
    Join Date
    Mar 2006
    Location
    Oxford, OH, USA
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    1,000
    Distro
    Ubuntu 12.04 Precise Pangolin

    Talking Re: PulseAudio Equalizer Script

    OH YEAH BABY!!!!!


    "HELL's BELL's" never sounded so damm good....


    ________________________________
    DELL e6420 Laptop
    Ubuntu Pagolin Precise 12.04 LTS
    Linux Registered User #434330

  9. #189
    Join Date
    Oct 2009
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    2

    Re: PulseAudio Equalizer Script

    Is it possible to change frequencies? I would like to change 20Hz, 30Hz, 50Hz and 60Hz.
    The lowest possible now is 50Hz, then 100Hz.
    Last edited by matej_jack; January 30th, 2010 at 01:45 PM.

  10. #190
    Join Date
    Sep 2005
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    113

    Re: PulseAudio Equalizer Script

    Quote Originally Posted by cement_head View Post
    OH YEAH BABY!!!!!


    "HELL's BELL's" never sounded so damm good....


    LOL, nice.. I admit, the quality, with a laptop, even a studio17 with JBL speakers, is awesome.

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