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Author Topic: Frame Buffer Size?  (Read 8061 times)
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wushuliu
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« on: July 29, 2010, 11:45:51 pm »

Hi everyone, I have just giotten my xxHE going. I have a Win7 PC ->teralink X2 Spdif Converter -> DIY AD1865 NOS DAC.

I am still trying to learn about proper settings. I have read many people using 1024 and higher frame buffer. I tried 1024 and hit play, but there was no sound. I think I had changed my Q settings as well. So I lowered to 64. This played ok, but sometimes had some errors or didnt sound quite right so I increased to 128 and it plays fine. Is it okay to have the buffer this low? Is higher better?

sounds outstanding btw.
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Custom PC w/ 560 AM3/8GB/30GB SSD/Win7x64/Antec Earthwatt;Dacport LX; SimpleSE Tube Amp; Mark Audio Alpair or EL70 Fullrange w/ 8" Usher
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« Reply #1 on: July 30, 2010, 08:56:38 am »

Hi wushuliu and  Welcome !

Every system being used here will have slight variants, so there is no "correct" buffer settings per se. However, as a general feeling, the larger the buffer setting, the "warmer" the sound is perceived. Conversely, as the buffers are lowered, the sound will appear to exhibit quicker transients, which some perceive to be more "accurate". Personal preference will dictate as to what you finally end up with. You will notice from my signature I use very low buffers, and that is attributable to the Juli@ card to a large extent in being able to support those low buffers.

It is also a good idea to monitor your CPU usage initially while lowering the buffer size. A very low setting will increase the CPU requirements considerably. If you experience background clicks and glitches, there is every likelihood the CPU is not able to keep up, or, your "schemes" need adjustment.

In helping to arrive at your ideal setting, I suggest you only change one parameter at a time, and then spend a day or two, before altering another. It can be very confusing if you change too many items at once !

When you have a spare moment, a signature ( go to your profile ) outlining your source path and XXHE settings will be useful for others to see what you are using.

Have fun Happy

Russ
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(Sep 26th 2012) (0.9z-7-4 )
Parameters (0.9z-7-4) ->Coming soon...
Parameters (0.9z-6-1) ->Same as for 0.9z-6
Parameters (0.9z-6) ->http://members.iinet.net.au/~calibrator/XXHE/XXHE_parms_(0.9z-6).jpg
Hardware: Asus P5Q, H2O cooled 3.6GHz C2D, 8GB ram, W7 Ult X64 (NO SP1), O/S plus Galleries on 2x(OCZ 60GB Vertex2) -> ESI Juli@ (v0.978 drivers @ 48 samples) -> coax SPDIF -> Integra DHC-9.9 -> Hafler XL600 -> SGR Audio S-series Octagons -> aural organs -> nucleus accumbens sounds good !

====================
Turntables .. how quaint bored
wushuliu
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« Reply #2 on: August 02, 2010, 09:44:08 pm »

Hi wushuliu and  Welcome !

Every system being used here will have slight variants, so there is no "correct" buffer settings per se. However, as a general feeling, the larger the buffer setting, the "warmer" the sound is perceived. Conversely, as the buffers are lowered, the sound will appear to exhibit quicker transients, which some perceive to be more "accurate". Personal preference will dictate as to what you finally end up with. You will notice from my signature I use very low buffers, and that is attributable to the Juli@ card to a large extent in being able to support those low buffers.

It is also a good idea to monitor your CPU usage initially while lowering the buffer size. A very low setting will increase the CPU requirements considerably. If you experience background clicks and glitches, there is every likelihood the CPU is not able to keep up, or, your "schemes" need adjustment.

In helping to arrive at your ideal setting, I suggest you only change one parameter at a time, and then spend a day or two, before altering another. It can be very confusing if you change too many items at once !

When you have a spare moment, a signature ( go to your profile ) outlining your source path and XXHE settings will be useful for others to see what you are using.

Have fun Happy

Russ

What does 'Unattended' mean? I must have missed that button and I have not been able find any info in Peter's FAQs...

Yeah, it will take me a little time to get the hang of all the settings.
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PeterSt
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« Reply #3 on: August 03, 2010, 12:04:56 am »

This is the button with the little screen and cross, just under the Play button. Using that and the GUI will disappear. This is where the real "sound" happens.

But you'll need to install and use AutoHotkey, or otherwise you can't control the PC anymore ...
Bu you'll have sound anyway. Happy

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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