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Wow. I had no idea DNLA used HTTP. No wonder it is so bad.
Even if it doesn't help destroying her music is a solid idea.
I agree with Winders. The stock tubes cannot compete with my 6F8G, 6C8G, 7N7 and early 50's 6SN7.
Does that mean that when ripping a song you're kind of recording the crap from the source with it?
That would mean a good transport is always the better choice if even only for ripping.
And how about the whole electronic song to rip chain?
Many home streaming systems use UPnP/DLNA to connect a server (PC, NAS) to endpoints (Streamers, DACs). For example, NAD or Naim network-enabled integrated amps (like the Naim UnitiQute I used to own) connect to any DLNA server to get tracks to play, under the control of some appropriate app. UPnP/DLNA are also very common for open-source setups, such as a Linux NUC as server, and Pi endpoints with Volumio. In a DLNA setup, the endpoint draws tracks from the server by sending the server an HTTP request, and receiving the track (encoded appropriately) as an HTTP response. Of course all of this goes on top of a TCP/IP stack for error-free communication.
Other common home media distribution protocols include Apple's AirPlay, the Chromecast protocol suite, the Squeezebox/SlimDevices protocol, and Roon's RAAT. AirPlay runs on top of UDP, Squeezebox and RAAT on TCP/IP (RAAT used to be on UDP). Chromecast supports multiple streaming protocols, which I'm not as familiar with.
No, of course not. The ripped tracks are digital so they are stored on the storage medium in a digital file (zeroes and ones). The electrical crap comes along with the digital data as it is transferred to the DAC. It is not part of the file or the data.
Ripping gets the exact bits, unless your ripping drive/software have problems. Once you have the bits, they have to travel to your DAC represented as electrical (or optical) signals. That's a physical process that can convey unwanted analog interference as well as the original bits. The magic of pure digital communication is that it can be made arbitrarily resistant to analog noise (Claude Shannon proved this when working to Bell Labs in the 30s and 40s; technical details simplified for the purposes of this forum). However, a DAC lives in the dangerous space between digital and analog. The digital transmission into the DAC may be bit-perfect -- it can be made so with the appropriate engineering based on Shannon's fundamental discoveries -- but the physical process of reconstructing the analog waveform is susceptible to analog noise and interference. Some of that arrives through the hardware that conveyed the digital signal to the DAC.
I'm just a doctor seeking the knowledge of a specialist.
OK, so that strengthens the claim that a superior music transport (for digital files) is as important as a superior CD-spinner.
That I can understand.
We both know that you did not need to test me.
Absolutely! Both a CD transport and digital files need quality hardware and firmware/software to sound their best.
Well that's exactly the experience I have in all this years of listening to music.
Thanks for that excellent précise! Does RAAT use the DLNA stack in its entirety? I had imagined that using http for commands to e.g. the web server but the results of the command, i.e. the music was sent as blocks over TCP.
I am a happy bunny.
I have my Freya is back [don't ask me why it was to be delivered on Wednesday, on Thursday, on Friday, and finally arrived on Saturday - thanks FEDEX] coupled up with proper tubes and I have the preferred music back in the living room and the Modi3/Magni3 back in my office.
I see you @winders and @jseymour trying to lead me down the white smoke path again. Perhaps, in due course.
I want to give a big shoutout to @jasonstoddard and his whole team at Schiit, especially in light of the recent comments wrt support from Schiit. My experience? The Freya was sent to CA, Schiit fully tested it, and returned it, all under warranty and my only cost was to ship it to California. In view of the fact that it was my idiocy that created the problem in the first place, that seems to be service of the highest order. It would have been more than reasonable for me to have to pay.
I shall now see if I can get to the task of encasing the Rpi to match the rest and then properly securing cables so that the system looks like less of a mare's nest than it does now. Then, and only then, may pictures be forthcoming.
Roon does not use DLNA. RAAT is a protocol that sits on top of TCP.