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XXHighEnd > Ultimate Audio Playback > XXHighEnd Support > Music stops with Phase Alignment engaged
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Author Topic: Music stops with Phase Alignment engaged  (Read 6310 times)
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manisandher
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« on: August 15, 2012, 02:54:25 pm »
Probably related to http://www.phasure.com/index.php?topic=2156.0...

I'm getting a lot of stops when I engage PA. Interestingly, I'm using exactly the same XX parameters as I did with the last beta version of 0.9z-7 I tried, which didn't have stops with PA.

Mani.
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Main System:
Phasure Mach III (Win 14393.0 on RAM-OS / controlled by RDC, / connected directly to music server / XXHighEnd 2.11 / Minimize OS / Engine#4 Adaptive / DB=4096 / Q1=10 / xQ1=15 / Q3,4,5=1 / SFS=4.00 / XTweaks = 34, 10, 0, 0, 0 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction / switch #5 'up/off' / Unattended) mobo USB3 port -> Lush^3 -> Phasure NOS1a B75 G3 -> 8m Blaxius^2 -> First Watt F5 mono amps -> Tune Audio Anima horn speakers
Office System:
Phasure Stealth II -> Lush^2 -> RME ADI-2 Pro FS R -> Neurochrome 286 mono amps -> Tune Audio Marvel horn speakers
manisandher
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« Reply #1 on: August 15, 2012, 03:27:43 pm »
SOLVED! I just increased the SFS size from 280 -> 430

On my office PC (i7 860) with a NOS1, PA seems to work fine with the following settings:
- device buffer = 4096
- SFS = 430 (straight contiguous)
- Q1 = 30
- Q1x = 1
- PAx = 0

"Works fine" only relates to glitchless playback. The improvement in SQ is waaaaay more than "fine" (details being saved for another thread).

Mani.
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Main System:
Phasure Mach III (Win 14393.0 on RAM-OS / controlled by RDC, / connected directly to music server / XXHighEnd 2.11 / Minimize OS / Engine#4 Adaptive / DB=4096 / Q1=10 / xQ1=15 / Q3,4,5=1 / SFS=4.00 / XTweaks = 34, 10, 0, 0, 0 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction / switch #5 'up/off' / Unattended) mobo USB3 port -> Lush^3 -> Phasure NOS1a B75 G3 -> 8m Blaxius^2 -> First Watt F5 mono amps -> Tune Audio Anima horn speakers
Office System:
Phasure Stealth II -> Lush^2 -> RME ADI-2 Pro FS R -> Neurochrome 286 mono amps -> Tune Audio Marvel horn speakers
manisandher
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« Reply #2 on: August 15, 2012, 03:40:06 pm »
Hmmm... spoke too soon. Just got a stop, after about 45-60 minutes of music playing. I may try the Q1 factor at some point. But before this, I'll install 0.9z-7 onto Le Monster and see whether it fares better than the i7 860 I'm currently using.

Mani.
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Main System:
Phasure Mach III (Win 14393.0 on RAM-OS / controlled by RDC, / connected directly to music server / XXHighEnd 2.11 / Minimize OS / Engine#4 Adaptive / DB=4096 / Q1=10 / xQ1=15 / Q3,4,5=1 / SFS=4.00 / XTweaks = 34, 10, 0, 0, 0 / Straight Contiguous / Clock Resolution = 15ms / Scheme 3-5 (low/realtime) / 8x Arc Prediction / switch #5 'up/off' / Unattended) mobo USB3 port -> Lush^3 -> Phasure NOS1a B75 G3 -> 8m Blaxius^2 -> First Watt F5 mono amps -> Tune Audio Anima horn speakers
Office System:
Phasure Stealth II -> Lush^2 -> RME ADI-2 Pro FS R -> Neurochrome 286 mono amps -> Tune Audio Marvel horn speakers
praphan
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« Reply #3 on: August 15, 2012, 03:56:58 pm »
Hi Mani,

Which version of z7 beta that you experimented with before the official release?  Mine is z709 which does not have the check box : "allow phase alignment". I guess Peter blocked PA feature in 709. When I first played around with it I thought I had it engaged until I noticed that I always had this _~_ on the cover art.

Thanks,

Dear all,

To avoid confusion, please add Q1 factor in your signature.

Thanks
Praphan
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PC: Asus X58 chipset M/B; Seasonic 850W PSU; i7 970 12 threads (HT=on); ATI HD 5770; Zalman Reserator water cooling, 24GB RAM, Plextor PX230A drive ; W7 Pro 64bit plain SP1 (no further update) and XXHE on Velociraptor; music on Sata 3 2 TB HDD; WD5003ABYX sits on Thermaltake USB3 dock as playback drive; Star Tech PCIe USB3 card

XX 0.9z-8-3a : KS Engine 4 "Adaptive"; DB = 4096; APx16; Q1/2/3/4/5 = 14x1/0/0/0/0; No Appointment/low/real time; CR = 0.5 ms; XTweaks Ultimate; SC; SFS= 120/120 ; allow format change; unattended ; min OS and stop "all" services; normalized volume usually played at -15db ;  peak extension on ; PA off

Signal chain: 24/786 NOS1 USB; 16 ms buffer on driver 1.0.2 => Valhalla XLR IC = > McIntosh 2301 tube monoblocks => Purist Dominus spk cable => B&W 802 D
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