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Author Topic: DSPs for XXHighend?  (Read 5958 times)
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easternlethal
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« on: April 06, 2010, 06:57:11 am »

Dear Peter, Hope you are well.

I continue to be impressed by the clarity and musicality of XXhighend. However I understand that there is one thing which bit-prefect replication cannot really address, and that is activity of the soundwaves in one's listening room (I am not sure if you have read Floyd Toole's book "Sound Reproduction: the Acoustics and Psychoacoustics of Loudspeakers and Rooms) and spatial effect.

Apart from repositioning the listener and speakers, some software solutions exist which process the audio signals to enhance or alter this effect. As an audiophile I inherently distrust signal processing but having auditioned the player, I have to say that I am very impressed by the depth of the staging and stereo image (especially of pianos and voices). In fact I would consider the slight degradation in quality caused by signal processing to be a valuable trade off if staging can be improved, but too much.

Which therefore leads me to my next question: Is it possible to incorporate DSP support for xxhighend, so that I can use the Audiophonic DSP to improve my stage but not lost too much fidelity?

Thanks for your input as ever.
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PeterSt
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« Reply #1 on: April 06, 2010, 09:25:10 am »

Hi there !

This question has been asked more, and the answer so far is : The setup of everything allows this, but I didn't make it yet. Most convenient would be a "convolution" (which contains data on how to correct which frequency), which can be "merged" with the sound data in a preprocessing stage.

But as said, I didn't make that yet. May take a while too ! (first things first Happy).

Best regards,
Peter


PS: But I would never do that, already because I'm a believer of "no sweet spot" ...

PPS: Notice that solutions exist where you can already use it with XXHighEnd. It needs a soundcard which can loop back (like a Fireface) and the particular software. I forgot the name right now, but it has been talked about in this forum several times. I think at least Peddal uses it.
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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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tillen
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« Reply #2 on: April 06, 2010, 09:49:41 am »

Audiolense from http://www.juicehifi.com/
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easternlethal
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« Reply #3 on: April 06, 2010, 10:15:25 am »

Yes there is a solution to connect XXhighend to the ambiophonic dsp, even 'virtually' (called virtual cable) which I am using, but having native support is always better imo.

Also like you I believe in no sweet spot, but good staging (or at least something remotely similar to a real performance environment) is something impossible to achieve in a simple stereo environment (without signal processing). unhappy

We can keep wishing.

One day I hope that you will find time to integrate multi-channel support too!

Thanks for the audiolense link too.
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