Do I need a DAC or soundcard from my PC to run lossless signal to my stereo receiver if my receiver has a high quality DAC built in?

Roon Core Machine

I use a PC with Windows 10.

Networking Gear & Setup Details

I run on hard-wired ethernet via Netgear Nighthawk cable/modem.

Connected Audio Devices

I run an optical cable from my PC’s motherboard optical out to my Yamaha RX-A3080. Roon says the signal is lossless until the last step: System output, OS Mixer, where it is listed as “high quality.”

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Description of Issue

I run an optical cable from my PC’s motherboard optical out to my Yamaha RX-A3080. Roon says the signal is lossless until the last step: System output, OS Mixer, where it is listed as “high quality.”
My question is, if that signal is then relayed to my receiver with on-board DAC, is it not lossless? Or is there quality lost before it gets to the receiver?

The AV beast is where a DAC (digital signal to analog music) is needed and it has a good one. Have you tried to put the Yamaha on ethernet or WiFi and stream lossless from Roon? Chromecast should be fine.

Hmmm. No I haven’t tried that. The receiver is connected to the internet. How would I connect it to Roon that way?

Go to Roon → settings → audio and search for the Yam in the list. May need to be enabled. Select it then as the destination where Roon streams to and see what happens.

The Yamaha is listed but only via Airplay.

Well it’s a lossless start :wink:

Well, the Airplay isn’t lossless.

Here is a thread that might help

Still? Thought Apple had stepped up. Sry, in that case you are right.

Any streamer from a RPi (RoPieee, Volumio, DietPi using RoonBridge) to an iFi Zen Stream would RAAT enable your Yam.

I had a similar experience with an Onkyo AV receiver , it only shows as Airplay… They all seem to provide multiple HDMI inputs as they are AV after all.

Is your PC close to the Amp, if so have you tried HDMI , if your sound card supports it.

Roon doesn’t seem to have any Yamaha devices on its Partners pages so the best you will get with a LAN connection is AirPlay. With my Onkyo this wasn’t even gapless !!

Does the amp have a USB input ? the picture I see doesn’t.

My solution was a Cambridge Audio CXN then Analogue RCA to the CD input of the Amp, but your AV DAC would do most of it so you are double dipping.

I would take @Bernd_Kurte advice and put a streamer in between the 2 .

A RPi with Ropieee to bridge the LAN but you may have to get a HAT (eg Allo Digione) to give a Co-ax output as a USB input doesn’t seem to be there . The Allo Digione Signature does this ready build I believe

Maybe a Bite The Bullet NUC / ROCK then HDMI to the Amp , I believe several users have done this

Gets Messier …

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It seems to have one. So a rather simple streamer would do. Could be checked for audio capability by connecting it to the PC by USB directly.

It does have a USB input in the front.
So, I just need a streamer?
Sorry, “Any streamer from a RPi (RoPieee, Volumio, DietPi using RoonBridge) to an iFi Zen Stream would RAAT enable your Yam.”
is all Greek to me.

I would start with connecting it by USB to the PC to see if it identifies as an outboard audio device. Just as a check.

If that works you just could buy an iFi Zen Stream and you would be almost good to go.

You just need to use a different Audio output than system audio. There might be spfdif or realtek digital audio out which is using WASAPI and this is what you would want to use.

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Is it a “proper USB” many of the USB ports are type A for a Hard Drive or Memory Stick, not the “printer type” square one

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I couldn’t see one on the picture I Googled

Why do I have to keep posting this again and again in different threads?

AJ

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Yeah, that’s because the USB input is in the front only. It is the flat type.

NO !!

Sounds like a normal Type A USB input designed to play music from a memory stick/HDD, you will need the square one as in the post above

Hence why I added a streamer, the AV amp is an AMP not really a streamer.

Correct, its type A, so that won’t work.
It seems like they should be able to link up via ethernet but they don’t seem to.

It’s worth a try but I suspect if you connect by Ethernet you will get AirPlay at best.

Try it and look in Settings>Audio

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This is mine , my Atom is Roon Ready and Airplay also it appears twice. Your amp will probably show under “Other Network Devices” as its not Roon Ready