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Author Topic: SFS issue  (Read 6069 times)
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Robert
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« on: December 15, 2011, 12:27:09 am »


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So, what you say is : "when I start at e.g. track #3, with the higher SFS I will hear a few seconds from track #2", right ? Peter

With SFS set at 430 as any track nears finishing playing approx 10 seconds from the end, music stops then after 8 seconds music back and track finished. We have a blackout of music the counter keeps ticking though.

Resetting at 50(your safe option) all works fine. This is with straight contiguous. I find I have to reboot between changing SFS and reload music files in XXhigh.

I do suspect SFS sounds better higher, but more work to do on that front.

I've read your onboard tip on both SFS and Contiguous and I would like to understand it better. Is this info on this site somewhere?   
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Mach III Stealth LPS PC -> Xeon Scalable 12/24 core with Hyperthreading On (set to 10/20 cores via Boot Menu) @~997MHz, 48GB, W10, Pro64, Ver 14393, No updates,
XXhighend Ver 2.11a, Ram OS, Settings:Q1/-/3/4/5 = *14*/-/*0*/*0*/*1*/ Q1Factor = *4* / Dev.Buffer = 4096 / ClockRes = *10ms* / Memory = Straight Contiguous / Include Garbage Collect / SFS = *10.13*  (max *10.13*) / Disable Cracks Off / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ UnAttended / Stop Desktop, Remaining, WASAPI and W10 services / Use Remote Desktop / Keep LAN - Not Persist / WallPaper On / *OSD Off* / Running Time Off / Minimize OS / XTweaks : Balanced Load = 62 / Nervous Rate = 1 / Cool when Idle = 1 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / *Custom Filtering *Low* (16x)
Music on LAN, Phasure Lush^3 USB cable
Oppo 205 UDP Dac
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PeterSt
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« Reply #1 on: December 15, 2011, 09:13:33 am »

Aha ...

This is a fairly easy one : your notebook is too slow. Maybe (just maybe) the disk has spun down in the mean time (of playing), and spinning it up can just matter that 8 seconds. So, see in energy settings whether that may be the case.

So, notebooks *are* slow, and processing this near 2GB of music data (which an SFS of 430 implies) most probably takes more than the time available for it (which is ~14 seconds). In that case, indeed (see other topic/post) lowering the SFS helps, and you can work your way up from that low amount (like 50) until it breaks. Notice that this shouldn't be tested with too short tracks, or otherwise *that* will limit the amount to process. With really larger tracks the silence may happen in the middle somewhere because it doesn't fit in memory in one go. In the end the amount in-memory depends on the output sample rate as well. So, the higher the less will fit (in one go).

Btw, because of the way you report about it, it is my guess that you play in Attended Mode; If this is so, make that Unattended, and your problem will be gone, or described differently (I'm almost sure).

The "SFS" is one of the more mysterious phenomena, and I guess hundreds of posts can be found in the forum (just apply search). Today, in general the higher SFS brings the better sound, but there is a limit, like my 430 which seems to be the "breaking point".

Regards,
Peter
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For the Stealth III LPS PC :
W10-14393.0 - July 17, 2021 (2.11)
XXHighEnd Mach III Stealth LPS PC -> Xeon Scalable 14/28 core with Hyperthreading On (set to 14/28 cores in BIOS and set to 10/20 cores via Boot Menu) @~660MHz, 48GB, Windows 10 Pro 64 bit build 14393.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/0/0/*1*/ Q1Factor = *4* / Dev.Buffer = 4096 / ClockRes = *10ms* / Memory = Straight Contiguous / Include Garbage Collect / SFS = *10.13*  (max 10.13) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / Stop Desktop, Remaining, WASAPI and W10 services / Use Remote Desktop / Keep LAN - Not Persist / WallPaper On / OSD Off (!) / Running Time Off / Minimize OS / XTweaks : Balanced Load = *62* / Nervous Rate = *1* / Cool when Idle = n.a / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = Optimal / Time Stability = Stable / Custom Filtering *Low* (16x) / Always Clear Proxy before Playback = On -> USB3 from MoBo -> Lush^3
A: W-Y-R-G, B: *W-G* USB 1m00 -> Phisolator 24/768 Phasure NOS1a/G3 75B (BNC Out) async USB DAC, Driver v1.0.4b (16ms) -> B'ASS Current Amplifier -> Blaxius*^2.5* A:B-G, B:B-G Interlink -> Orelo MKII Active Open Baffle Horn Speakers. ET^2 Ethernet from Mach III to Music Server PC (RDC Control).
Removed Switching Supplies from everywhere (also from the PC).

For a general PC :
W10-10586.0 - May 2016 (2.05+)
*XXHighEnd PC -> I7 3930k with Hyperthreading On (12 cores)* @~500MHz, 16GB, Windows 10 Pro 64 bit build 10586.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/1/1/1 / Q1Factor = 1 / Dev.Buffer = 4096 / ClockRes = 1ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = 0.10  (max 60) / not Invert / Phase Alignment Off / Playerprio = Low / ThreadPrio = Realtime / Scheme = Core 3-5 / Not Switch Processors during Playback = Off/ Playback Drive none (see OS from RAM) / UnAttended (Just Start) / Always Copy to XX Drive (see OS from RAM) / All Services Off / Keep LAN - Not Persist / WallPaper On / OSD On / Running Time Off / Minimize OS / XTweaks : Balanced Load = *43* / Nervous Rate = 1 / Cool when Idle = 1 / Provide Stable Power = 1 / Utilize Cores always = 1 / Time Performance Index = *Optimal* / Time Stability = *Stable* / Custom Filter *Low* 705600 / -> USB3 *from MoBo* -> Clairixa USB 15cm -> Intona Isolator -> Clairixa USB 1m80 -> 24/768 Phasure NOS1a 75B (BNC Out) async USB DAC, Driver v1.0.4b (4ms) -> Blaxius BNC interlink *-> B'ASS Current Amplifier /w Level4 -> Blaxius Interlink* -> Orelo MKII Active Open Baffle Horn Speakers.
Removed Switching Supplies from everywhere.

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