Re: [SlimDevices: Unix] picore + HDMI

2015-05-10 Thread b0bb
A few weeks back one of the developers put out a test version of 1.19 that worked for me on the RPi but not on the RPi2 http://forums.slimdevices.com/showthread.php?97803-piCoPlayer-Squeezelite-on-Microcore-linux-An-embedded-OS-in-RAM-with-Squeezelite&p=813906&viewfull=1#post813906 I had dropout

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread b0bb
ctbarker32 wrote: > Is this discussion suggesting that the bits output by the RPi USB are > not bit perfect? Could someone detail how the bits are being corrupted? > And, if one uses a high quality DAC with exceptional jitter reduction > such as the Benchmark DAC2 UGC, is this really an issue. Fi

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread ctbarker32
psketch wrote: > No, I think Jack's point is more one of suitability. His suggestion is > that the USB output on the Pi isn't upto the job of supplying a top > quality signal to a top quality DAC - no point in feeding a top quality > DAC with a less than top quality signal - and that the I2S dac

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread psketch
SamS wrote: > Interesting discussions. > > Can you verify this summary for me, as I'm not as technical as many > folks here: For best audio quality/performance, use an IS2 DAC/interface > like HifiBerry DAC or HifiBerry Digi (are there others?), as opposed to > the standard USB output to the num

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread SamS
JackOfAll wrote: > Sure. But based on plenty of experience! From an audio point of view, > you buy a Pi as a transport for an I2S DAC. IMHO, you don't use it to > drive UAC2 DACS. You don't buy it to drive HDMI DAC's and you certainly > don't choose it based on the on-board analogue audio capabil

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread JackOfAll
poing wrote: > > Are you sure you disabled all processing in squeezelite, picoreplayer, > LMS and such, including easy-to-forget stuff such as Replaygain? > Obviously, it can't be bit-perfect if it's not played back at 0 dBFS, if > it's being resampled or going through some other DSP. Although

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread poing
^^^ Interesting. I realize you know much more about this stuff than I do, but I'm still wondering if there are other possible causes for your finding. Are you sure you disabled all processing in squeezelite, picoreplayer, LMS and such, including easy-to-forget stuff such as Replaygain? Obviously,

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread JackOfAll
poing wrote: > +1, I'd be curious as well. The HDMI "issue" I have, if you want to call it that, is whether it is bit perfect, (at any sample rate), not what sample rates it supports When playing (44k1/16) audio using Pi HDMI port, via HDMI to SPDIF converter, of known HDCD material to a HDC

Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2015-05-10 Thread poing
psketch wrote: > Hi Jack > > Curious about your reference to HDMI limitations - not saying there > aren't any of course, but would be curious on what issue you see with > the Pi (2) HDMI output. > +1, I'd be curious as well. I am a happy user of the RPi B+ with audio over HDMI. I don't believe