hello

I installed snake os on my rpi 4
It does not detect any sound card so y cant isntall any player
I checked with the aplay -l command and all the cards are detected including my usb dac

can you help me

thanks

I'm most likely looking right over it but i cant seem to find the download for the OS. Can anyone help me out

I just found this Diretta Audio Protocol, yet didn't start to try yet.  Its a new and specific network protocol for CAS.  Its theory is breaking down the usual, uneven and irregular transfer packages in the normal network protocol, into even and much smaller packages.  It claims that can reduces the noise, spikes effectively, so to improve the sound.

From a video demonstration of friend's setup , the audio change is significant.  Yet I didn't hear in situ.

May I ask some enlightening to start with?  Any sharing will be much appreciated.  

(10-Oct-2024, 09:48 PM)hkphantomgtr Wrote: I just found this Diretta Audio Protocol, yet didn't start to try yet.  Its a new and specific network protocol for CAS.  Its theory is breaking down the usual, uneven and irregular transfer packages in the normal network protocol, into even and much smaller packages.  It claims that can reduces the noise, spikes effectively, so to improve the sound.

From a video demonstration of friend's setup , the audio change is significant.  Yet I didn't hear in situ.

May I ask some enlightening to start with?  Any sharing will be much appreciated.  

In CAS, I used to bind certain processes to certain cores in more than 10 yrs ago.  But I only knew there are "TSC" and "HPET" in the clocksource until I found SnakeOil OS in 5 yrs ago.  Since then I spent quite a lot of time to compare their influence in sound, even all the time I really like the sound of HPET in my system.

Until few months ago, I found this https://en.wikipedia.org/wiki/Time_Stamp_Counter  


Being an IT layman, I limited the active CPU cores to 1 core in CMOS setup. (not to mention those disabling the hyperthreading, stepping steps, power management, virtualization and etc essential steps in CAS)  And also switching the clocksource to "TSC".  Numerically, the system latency of TSC from cyclic test is already 5-10 times lower than HPET.  And over these few months manually monitoring the result of cyclic test, I'm surprised that the system latency is very very stable, no spike or ugly large value at all, never.  (please excuse me that I didn't screen cap all the results)

How about the sound？ Tone, focus, density, dynamics, smoothness, presentation, dimensions of sound stage, & etc changed a lot.  Among them the change in density and smoothness are the most obvious.  As so many aspects are changed, the speakers are inevitably relocated to match the change.  Afterwards, it gives me a whole new experiencer in my home.  Now the music is even more enjoyable and holographic.

So... how about the HPET sound in my "single core" system?  It's a bit like the sound of brass conductor (TSC) vs silver conductor (HPET).   But a bit "disturbing" to me.

It doesn't cost you a coin, but it really takes time to compare and set up.

1. INSTALLATION Ubuntu server 22.04.5 LTE

!!! Do not install newer versions of ubuntu server, snakeoil works correctly with version 22.04.5 LTE

Page to download the Ubuntu server 22.04.5 LTE ISO image

https://ubuntu.com/download/server/thank...4&lts=true

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Preparing a bootable USB drive using BalendaEtcher or Rufus.
Below are the websites to download.

https://etcher.balena.io/

https://rufus.ie/

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Boot the computer from the USB drive with the Ubuntu server 22.04.5 LTE ISO image
During installation, select the location gb. Guaranteed installation without errors in Kernel.
During installation, select SSH to install.

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!!! After installing the server, the lv partition (our audio files will be there) is reduced to about 20% of the available disk space.

!! Solving the problem of a small lv partition

Increase the lv partition to the full available size.

The command to check the size of the ubuntu--vg-ubuntu--lv partition is below.