Endpoint syncing - lots of posts, no solutions from staff?

I would add that I am getting (after an hour or two) instances of tracks stopping playback, and Roon skipping to the next track. Playback remains in sync across all zones - it’s just that Roon is reporting “Too many dropouts” in the stream, thus it stops the currently playing stream and moves on to the next track, e.g.:

[code]
08/16 17:28:46 Info: [zoneplayer/base] Playing: D:\Music\Janet Jackson\janet\17 Because of Love.flac
08/16 17:28:46 Info: [zoneplayer/base] Queueing: D:\Music\Craig David\Slicker Than Your Average\05 Eenie Meenie.flac
08/16 17:28:46 Info: [zoneplayer/base] Open Result (Playing):Result[Status=Success]
08/16 17:28:46 Info: [zoneplayer/base] Starting playback
08/16 17:28:46 Trace: [zoneplayer/raat] StartStream StreamFormat(channels=2, bitspersample=16, samplerate=44100, isdts=False streamid=1501629369
08/16 17:28:46 Trace: [zoneplayer/raat] _StartStream2 streamid=1501629369
08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=HiFiBerry Digi+
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Digital Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=Sonore microRendu
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Usb Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=High Definition Audio Device
Output OutputType=Local_ExclusiveMode_Wasapi Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=IQaudIO DAC/DigiAMP
Output OutputType=Local_Analog Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=HiFiBerry Digi+
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Digital Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=Sonore microRendu
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Usb Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=High Definition Audio Device
Output OutputType=Local_ExclusiveMode_Wasapi Quality=Lossless

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=1000 Quality=Lossless
Raat Device=IQaudIO DAC/DigiAMP
Output OutputType=Local_Analog Quality=Lossless

08/16 17:28:46 Trace: [transport/raatclient] GOT [3282] {“status”:“Success”}
08/16 17:28:46 Trace: [prebuffer] ready 149940/441000 (34%) @ 0/261 sec
08/16 17:28:46 Trace: [transport/raatclient] GOT [3031] {“status”:“Dropout”,“samples”:7056}
08/16 17:28:46 Warn: [zoneplayer/raat] Too many dropouts (>3s dropped out in the last 30s). Killing stream
08/16 17:28:46 Trace: [zoneplayer/raat] too many dropouts. stopping stream
08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:46 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:46 Warn: Track Stopped Due to Slow Media
08/16 17:28:46 Trace: [raat/audiosource] got NAK (15 seqs, 15 satisfied is_max=True)
08/16 17:28:46 Info: [zoneplayer/base] Playing: D:\Music\Craig David\Slicker Than Your Average\05 Eenie Meenie.flac
08/16 17:28:46 Info: [zoneplayer/base] Queueing: D:\Music\The Pointer Sisters\Legends\CD3\09 Moonlight Dancing.flac
08/16 17:28:46 Info: [zoneplayer/base] Open result (Queueing): Result[Status=Success]
08/16 17:28:46 Trace: [transport/raatclient] GOT [3258] {“status”:“Success”}
08/16 17:28:46 Trace: [raat/audiosource] got NAK (15 seqs, 15 satisfied is_max=True)
08/16 17:28:46 Trace: [transport/raatclient] GOT [57] {“status”:“Success”}
08/16 17:28:46 Trace: [transport/raatclient] GOT [3031] {“status”:“Dropout”,“samples”:5292}
08/16 17:28:46 Warn: [zoneplayer/raat] Too many dropouts (>3s dropped out in the last 30s). Killing stream
08/16 17:28:46 Trace: [zoneplayer/raat] too many dropouts. stopping stream
08/16 17:28:46 Trace: [raat/audiosource] got NAK (15 seqs, 15 satisfied is_max=True)
08/16 17:28:46 Trace: [transport/raatclient] GOT [3031] {“status”:“Dropout”,“samples”:3528}
08/16 17:28:46 Warn: [zoneplayer/raat] Too many dropouts (>3s dropped out in the last 30s). Killing stream
08/16 17:28:46 Trace: [zoneplayer/raat] too many dropouts. stopping stream
08/16 17:28:46 Trace: [raat/audiosource] got NAK (15 seqs, 15 satisfied is_max=True)
08/16 17:28:47 Trace: [transport/raatclient] GOT [3031] {“status”:“Dropout”,“samples”:5292}
08/16 17:28:47 Warn: [zoneplayer/raat] Too many dropouts (>3s dropped out in the last 30s). Killing stream
08/16 17:28:47 Trace: [zoneplayer/raat] too many dropouts. stopping stream
08/16 17:28:47 Info: [zoneplayer/base] Open result (Queueing): Result[Status=Success]
08/16 17:28:47 Info: [zoneplayer/base] Open Result (Playing):Result[Status=Success]
08/16 17:28:47 Info: [zoneplayer/base] Starting playback
08/16 17:28:47 Trace: [zoneplayer/raat] StartStream StreamFormat(channels=2, bitspersample=16, samplerate=44100, isdts=False streamid=1501629370
08/16 17:28:47 Trace: [zoneplayer/raat] _StartStream2 streamid=1501629370
08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=HiFiBerry Digi+
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Digital Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=Sonore microRendu
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Usb Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=High Definition Audio Device
Output OutputType=Local_ExclusiveMode_Wasapi Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=IQaudIO DAC/DigiAMP
Output OutputType=Local_Analog Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=HiFiBerry Digi+
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Digital Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=Sonore microRendu
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Usb Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=High Definition Audio Device
Output OutputType=Local_ExclusiveMode_Wasapi Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=934 Quality=Lossless
Raat Device=IQaudIO DAC/DigiAMP
Output OutputType=Local_Analog Quality=Lossless

08/16 17:28:47 Trace: [raat/audiosource] got NAK (15 seqs, 15 satisfied is_max=True)
08/16 17:28:47 Trace: [prebuffer] ready 149940/441000 (34%) @ 0/304 sec
08/16 17:28:47 Trace: [zoneplayer/raat] synced to endpoint clock. realtime=1047255460560 rtt=50us offset=-5392127251us delta=-5392127251us
08/16 17:28:47 Trace: [zoneplayer/raat] synced to endpoint clock. realtime=6467791366692 rtt=850us offset=28408654us delta=28408654us
08/16 17:28:47 Trace: [zoneplayer/raat] synced to endpoint clock. realtime=6466632892120 rtt=1000us offset=27248676us delta=27248676us
08/16 17:28:47 Trace: [transport/raatclient] GOT [3031] {“status”:“Dropout”,“samples”:3528}
08/16 17:28:47 Warn: [zoneplayer/raat] Too many dropouts (>3s dropped out in the last 30s). Killing stream
08/16 17:28:47 Trace: [zoneplayer/raat] too many dropouts. stopping stream
08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Inactive
Elements:

08/16 17:28:47 Warn: Track Stopped Due to Slow Media
08/16 17:28:47 Info: [zoneplayer/base] Playing: D:\Music\The Pointer Sisters\Legends\CD3\09 Moonlight Dancing.flac
08/16 17:28:47 Info: [zoneplayer/base] Queueing: D:\Music\Tina Turner\Break Every Rule\06 Girls.flac
08/16 17:28:47 Info: [zoneplayer/base] Open Result (Playing):Result[Status=Success]
08/16 17:28:47 Info: [zoneplayer/base] Starting playback
08/16 17:28:47 Trace: [zoneplayer/raat] StartStream StreamFormat(channels=2, bitspersample=16, samplerate=44100, isdts=False streamid=1501629371
08/16 17:28:47 Trace: [zoneplayer/raat] _StartStream2 streamid=1501629371
08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=HiFiBerry Digi+
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Digital Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=Sonore microRendu
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Usb Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=High Definition Audio Device
Output OutputType=Local_ExclusiveMode_Wasapi Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=IQaudIO DAC/DigiAMP
Output OutputType=Local_Analog Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=HiFiBerry Digi+
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Digital Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=Sonore microRendu
DigitalVolume GainDb=0 Quality=Lossless
Output OutputType=Local_Usb Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=High Definition Audio Device
Output OutputType=Local_ExclusiveMode_Wasapi Quality=Lossless

08/16 17:28:47 Info:
–[ SignalPath ]---------------------------------------------
SignalPath Quality = Lossless
Elements:
Source Format=Flac 44100/16/2 BitRate=841 Quality=Lossless
Raat Device=IQaudIO DAC/DigiAMP
Output OutputType=Local_Analog Quality=Lossless

08/16 17:28:47 Info: [zoneplayer/base] Open result (Queueing): Result[Status=Success]
08/16 17:28:47 Trace: [prebuffer] ready 149940/441000 (34%) @ 0/295 sec
08/16 17:28:47 Trace: [raat/audiosource] got NAK (15 seqs, 15 satisfied is_max=True)
08/16 17:28:47 Trace: [transport/raatclient] GOT [3031] {“status”:“Dropout”,“samples”:1764}
08/16 17:28:47 Warn: [zoneplayer/raat] Too many dropouts (>3s dropped out in the last 30s). Killing stream[/code]

This is an issue, but it’s different from the “not in sync” issue… I’ll raise it separately…