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Thread: RaspberryPi Tuning - Audio Editing

  1. #1

    Default RaspberryPi Tuning - Audio Editing

    Hi all, Post #1!
    I've just started setting up my RaspberryPi 3 and I want to thank the forums for helping me get through a few known issues right out the gate. I'm intending to use the Pi for audio editing, probably doomed to fail but half the fun is seeing if it will work. I am looking for suggestions on how to best tune the Raspberry Pi for this purpose, I read briefly about setting the Pi to "performance" mode to avoid CPU throttling but thought I'd ask about all this to see what are the 'must have' mods.

    I'm looking to start this guide shortly, https://wiki.linuxaudio.org/wiki/system_configuration

    Firefox blocking all internet access due to a security issue, which is my next dragon to slay before returning to my journey. I'm sure there are reasons these parts and pieces haven't been fixed on the Pi, but if anyone can recommend a way I can contribute to testing builds, or whatever the standard process is (I'm new to contributing), I would love to help make OpenSuse on Pi a smoother experience.

  2. #2
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    Default Re: RaspberryPi Tuning - Audio Editing

    Hi and welcome to the forum
    Maybe you should look at updating to Leap 42.3 (or if have a spare MicroSD create a new version to plugin)?

    Second thing would be to look at the existing kernel configuration to see how it compares before going too far;
    Code:
    zcat /proc/config.gz > current.config
    less current.config
    Are you running a desktop or just a JeOS setup, do you also have access to a USB/TTL for connecting from another system from a terminal emulator eg minicom, screen etc?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  3. #3

    Default Re: RaspberryPi Tuning - Audio Editing

    Hi Malcolm, I don't see Leap 42.3, as an option from https://en.opensuse.org/HCL:Raspberry_Pi3, is that the best place to get the latest images?

    I ran the command you provided, that is super handy. Here is a link to my output, (I had to change the name in order to share it) http://stampedepress.org/wp-content/...09/current.txt

    Sorry I should have specified the Pi configuration, I'm currently running XFCE and have both network SSH access as well as a dedicated monitor with keyboard/mouse setup.

  4. #4
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    Default Re: RaspberryPi Tuning - Audio Editing

    Quote Originally Posted by PeterChz View Post
    Hi Malcolm, I don't see Leap 42.3, as an option from https://en.opensuse.org/HCL:Raspberry_Pi3, is that the best place to get the latest images?

    I ran the command you provided, that is super handy. Here is a link to my output, (I had to change the name in order to share it) http://stampedepress.org/wp-content/...09/current.txt

    Sorry I should have specified the Pi configuration, I'm currently running XFCE and have both network SSH access as well as a dedicated monitor with keyboard/mouse setup.
    Hi
    Check out ports repository;
    http://download.opensuse.org/ports/a....3/appliances/

    Well things can go belly up sometimes and serial access via a usb ttl device can be a life saver.... I use the 'PL2303HX USB To TTL To UART COM Cable Module Converter'

    I would jump on IRC Freenode #opensuse-arm and see if someone has tweaked the kernel config for 1000 Hz rather than the default 100 and set CONFIG_PREEMPT.

    You can also use the following for pasting, even direct from the cli with the susepaste tool... just remember if posting in the forum to set the expire to 'never';
    SUSE Paste
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  5. #5

    Default Re: RaspberryPi Tuning - Audio Editing

    wow thank you for all the links!

    I know what you mean about going belly up, happens far too often The USB To TTL is on it's way,
    SusePaste is super handy, that is getting added to the toolkit.
    Thanks for the irc group link, I've been researching how to get more involved with the community this seems like a great start. I haven't been on IRC before, so covering a lot of ground here

    I've been logging each step of my Raspberry Pi setup, so as to get it perfect. I want to make sure the tuning I do is reproducible and testable. I'm thinking of chalking up two setup scripts, one to get me operational, the second to tune for audio mixing etc. I've started a github repo, but it's still early days. Once I get it a little farther I'll post the link.

    Additional second step is to run the dang linuxaudio system configuration script I mentioned earlier, not enough hours in the day...

  6. #6
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    Default Re: RaspberryPi Tuning - Audio Editing

    Hi
    There are lots of IRC channels (even #openSUSE-forums) and Mailing lists as well as the Forums;
    https://en.opensuse.org/openSUSE:Communication_channels
    eg: https://lists.opensuse.org/opensuse-arm/

    Then there is OBS (openSUSE Build Service) for packaging and building iso images etc your using...
    https://build.opensuse.org/
    https://studioexpress.opensuse.org/

    Enjoy and remember to have fun
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  7. #7

    Default Re: RaspberryPi Tuning - Audio Editing

    Thanks Malcolm!
    I'll follow up with the suggestions I find, so it can at least be a reference for future users.

    Finally conquered the FireFox http2 issue, https://support.mozilla.org/en-US/questions/1136120
    Now I'll be able to join IRC on pi itself

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