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New FIFO buffer for RPI/SBCs
New FIFO buffer for RPI/SBCs
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Old 5th December 2018, 08:34 PM   #2791
soundcheck is offline soundcheck  Germany
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Join Date: Mar 2005
Location: DUS
Quote:
Originally Posted by matthiasw View Post
You know certainly better than me that RPi I2S is far from perfect.
Nope. I don't know that.

What I know for sure is that there are different ways of handling I2S.
And actually it's been Allo who has shown how it works best!

USB still sucks!

Another try??
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Old 5th December 2018, 08:56 PM   #2792
matthiasw is offline matthiasw  Germany
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Quote:
Originally Posted by soundcheck View Post
USB still sucks!
Nope, it is all about implementation, there are great sounding USB solutions.

Matt
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Old 6th December 2018, 07:01 AM   #2793
soundcheck is offline soundcheck  Germany
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OoohKay. It's getting weird.

You just don't get what I am talking about here.

I never said there aren't any good USB Audio """solutions""" out there.

I did say it takes major effort to cope with the issues around the USB interface.
For a period of at least ten years the entire high quality audio industry failed
to eliminate the USB associated issues. Things did get better over time tough.

However. These USB related issues still exist! Otherwise we wouldn't need a Allo USB bridge, USB Regen, iPurifier. isolators, asf. asf.

If manufactures would build DACs that'd be able to cope with USB properly, we'd be able to use a RPI USB port as-is. It doesn't seem to be possible though. Yep. USB is that bad.

Many issues are bettered by going straight I2S.

And. I really do not need DSD512 @ 370MByte/minute as a trigger to drive me back into that mess.

Enjoy.
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Old 6th December 2018, 10:33 AM   #2794
cdsgames is offline cdsgames  Canada
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Join Date: Jun 2015
If you ask me whats best from a tech point of view...i2s without a doubt.


It was designed for audio and especially with master mode i2s is almost perfect (since MCLK comes direct from a clock thats next to the DAC ic. You cannot lower the jitter more than this particular architecture



However people seem to enjoy higher sample rate and DSDs and on most SBC /i2s its not possible , enter the USB solution


Its convenient , its fast but I seen some tests and its not perfect in asynch mode. (losing some bytes..??)


I think best bus depends on what you value.
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Old 6th December 2018, 12:24 PM   #2795
marudo is offline marudo  Philippines
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Join Date: May 2018
Location: Mars
Quote:
Originally Posted by cdsgames View Post
If you ask me whats best from a tech point of view...i2s without a doubt.


It was designed for audio and especially with master mode i2s is almost perfect (since MCLK comes direct from a clock thats next to the DAC ic. You cannot lower the jitter more than this particular architecture



However people seem to enjoy higher sample rate and DSDs and on most SBC /i2s its not possible , enter the USB solution


Its convenient , its fast but I seen some tests and its not perfect in asynch mode. (losing some bytes..??)


I think best bus depends on what you value.


Hi Cdsgames,

Is there plan from allo enhance some distro other than volumio? think volumio is going on hardware path..
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Old 6th December 2018, 01:22 PM   #2796
cdsgames is offline cdsgames  Canada
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Hi Marudo


Katana works with all distributions.
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Old 6th December 2018, 01:39 PM   #2797
Markw4 is offline Markw4  United States
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Although no way to change the interpolation filter setting in Volumio that I can find.
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Old 6th December 2018, 02:42 PM   #2798
terry22 is offline terry22
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Quote:
Originally Posted by marudo View Post
Hi Cdsgames,

Is there plan from allo enhance some distro other than volumio? think volumio is going on hardware path..
Hi,
Katana works very well with Moode.
You may even play DSD256 DoP with some versions.
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Old 6th December 2018, 03:02 PM   #2799
cdsgames is offline cdsgames  Canada
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Quote:
Originally Posted by Markw4 View Post
Although no way to change the interpolation filter setting in Volumio that I can find.
Settings (right corner) , playback options , DSP program (filters)
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Old 6th December 2018, 03:38 PM   #2800
Markw4 is offline Markw4  United States
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Join Date: Jul 2016
Location: California
I find settings, and playback options, but no 'DSP program' settings showing anywhere. Do I need another newer version of Volumio? I still have the same one from last time.

Last edited by Markw4; 6th December 2018 at 03:41 PM.
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