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XXHighEnd > Ultimate Audio Playback > XXHighEnd Support > Volume and bit perfect setting ?
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Author Topic: Volume and bit perfect setting ?  (Read 10812 times)
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andy74
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« on: February 18, 2008, 09:44:24 am »
Hi Peter,

Thanks for the new version.
I have a question:

With the digital volume control what setting is bitperfect? 0db?

When I set it to 0db I have that sensation which I always have if a volume is changed in a digital domain.
So I suspect that with digital volume control is not bit perfect.

Andrey
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1. USB FreeAgent 500Gb -> P4 2.8 2gb RAM Vista Ult  -> XXHE Q1=14 prio both = Normal -> esi juli@ (SPDIF is default device->analog mon in ESI panel->analog outs) -> nad 320BEE->Boston Acoustics cr150
3. IBM thinkpad r52->VIsta Ult XXHE, Unattended playerprio=Nothing threadPrio=Normal -> very cheap usb audio adapter -> shure attenuator -> headphones shure 210 Happy
PeterSt
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« Reply #1 on: February 18, 2008, 10:03:53 am »
Yes, at -0dB the output is bit perfect. Also the "volume" is not in the way/path then. So the code for "no volume control" is dedicated to that.

Quote
When I set it to 0db I have that sensation which I always have if a volume is changed in a digital domain.

So this is not consistent with reality then. no Or did you perhaps say something you did not want to say ? (because it looks a bit confusing to me).

Btw, only for 44.1/16 the code is unchanged. This means that the "DAC needs" buttons *must* remain unchecked.
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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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andy74
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« Reply #2 on: February 18, 2008, 02:38:52 pm »
I have a PCI audio card.

1. If I set its speakers interface as a default device in Vista Then I see XX engine 3 in the Vista Mixer, The Vista master volume affects the volume of the music.

2. If I use SPDIF interface a default device, then I don't see XX in the mixer, the vista volume control does not affect the music.

In both cases XX does not complain about exclusive mode. And in first case there is no sound level indicators activity in the Vista mixer while playing.

Is it bitperfect in the first case if I set the volume control at max?
How can record what is coming out to compare to the source?

Andrey
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1. USB FreeAgent 500Gb -> P4 2.8 2gb RAM Vista Ult  -> XXHE Q1=14 prio both = Normal -> esi juli@ (SPDIF is default device->analog mon in ESI panel->analog outs) -> nad 320BEE->Boston Acoustics cr150
3. IBM thinkpad r52->VIsta Ult XXHE, Unattended playerprio=Nothing threadPrio=Normal -> very cheap usb audio adapter -> shure attenuator -> headphones shure 210 Happy
PeterSt
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« Reply #3 on: February 18, 2008, 03:22:32 pm »
Andrey,

Quote
If I set its speakers interface as a default device in Vista Then I see XX engine 3 in the Vista Mixer, The Vista master volume affects the volume of the music.

Ok, so far I never saw (or heard of) the situation that loudspeakers connected to a soundcard could incur for "Exclusive Mode" (whatever that exactly is in this stage of "investigation").
Can you confirm dat this worked the same in 0.9t ?
Also, I assume you don't get any messages at the start of Playback ?

Quote
How can record what is coming out to compare to the source?
This is a quite undoable task, but which I solved for myself about a year ago by means of two Fireface devices. This is inherent to how Vista works and determines when to apply the proper Exclusive Mode. This is similar to connecting a DTS receiver and that just "proving" bit perfectness, which for Vista says NOTHING.
Currently I don't have the answer anymore, and it took me several days to set it up and prove it back then.

Lastly for now, do note that the situation exists that no volume amplitude information (the green bar) shows, BUT you can still switch off the volume with the bottom button (a red circle appears then). I never tested the true merits of that situation, but it sure is fishy. By me proven bit perfect situations can never switch off the volume.

Anyway if you can influence the volume with the master volume slider, I'll bet it's not bit perfect.

So far for now. Sorry ...
Peter
Logged
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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andy74
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« Reply #4 on: February 18, 2008, 03:31:13 pm »
Quote from: PeterSt on February 18, 2008, 03:22:32 pm
Andrey,

Quote
If I set its speakers interface as a default device in Vista Then I see XX engine 3 in the Vista Mixer, The Vista master volume affects the volume of the music.

Ok, so far I never saw (or heard of) the situation that loudspeakers connected to a soundcard could incur for "Exclusive Mode" (whatever that exactly is in this stage of "investigation").
Can you confirm dat this worked the same in 0.9t ?
Also, I assume you don't get any messages at the start of Playback ?

Yes it was the same with previous versions.

Quote
Lastly for now, do note that the situation exists that no volume amplitude information (the green bar) shows, BUT you can still switch off the volume with the bottom button (a red circle appears then). I never tested the true merits of that situation, but it sure is fishy. By me proven bit perfect situations can never switch off the volume.

Anyway if you can influence the volume with the master volume slider, I'll bet it's not bit perfect.

Have you seen XMplayer with WASAPI plugin. It locks my speakers interface as well as SPDIF for exclusive mode perfectly.
I don't think it beats SQ of XX but the exclusive mode it implements in a way differently.

Andrey
Logged
1. USB FreeAgent 500Gb -> P4 2.8 2gb RAM Vista Ult  -> XXHE Q1=14 prio both = Normal -> esi juli@ (SPDIF is default device->analog mon in ESI panel->analog outs) -> nad 320BEE->Boston Acoustics cr150
3. IBM thinkpad r52->VIsta Ult XXHE, Unattended playerprio=Nothing threadPrio=Normal -> very cheap usb audio adapter -> shure attenuator -> headphones shure 210 Happy
PeterSt
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« Reply #5 on: February 18, 2008, 03:48:48 pm »
Hahaha, yes, and with my Fireface and DAC behind it, it does exactly what you described before.
(And I found it sounding superbad, but that's another matter Happy)
Logged
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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