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Author Topic: 03 | Audio Engine (#3/#4)  (Read 2108 times)
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PeterSt
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« on: July 11, 2012, 03:00:02 pm »

Two Audio Engines are available :

Engine#3 = WASAPI
Engine#4 = Kernel Streaming

Both Audio Engines can play in Exclusive Mode only.
Exclusive Mode : The Audio Engine takes control over the whole core audio features of the Operating System, and no mixing or sample rate conversion etc. can be done (implied) by the OS.

While everybody can choose for himself what sounds the best, it is the most clear that Engine#4 is just that. Everybody uses it almost without exception.

Ever back when Engine#4 was introduced this became clear fairly soon, but since then many of the new SQ related (XXHighEnd) features have been applied to Kernel Streaming and not to WASAPI.

It may be nice to know that WASAPI was introduced in the first version of Vista, and world's first to use it for an Audio Engine was XXHighEnd (it took more than a year for a second appeared).

Warning :
It is the most dangerous to reject Engine#3 forever, when this has been done once (by all or by you alone). This is for a good reason :
WASAPI shows a most clinical sound, up to pure technical. Its resolution seems better than enything else. However, the same properties cause it not to be emotional enough. Now :
Many (really many !) environmental things change, which make Engine#4 (Kernel Streaming) sounding completely different, worth 10s Ks of money might you want to spend money on hardware. There is NO reason that Engine#3 won't show differences which suddenly turn out for the better.
But nobody tries anymore ...
It is a bit of a circle as well, because when nobody uses it, nobody encourage to improve om something which really could be better in there. The resolution is such an example.

Let's emphasize in this context that the resolution increased vastly for Kernel Streaming as well (over time and per new parameters) and that this did not debet the "emotion factor" dedicated to Engine#4, so why would Engine#3/WASAPI not be able to benefit from general improvements ?
« Last Edit: July 26, 2012, 01:56:03 pm by PeterSt » Logged

For the Stealth LPS PC :
W10-10586.0 - June 19 2016 (2.06)
*XXHighEnd Mach II Stealth LPS PC -> Xeon E5 2040v4 with Hyperthreading On (20 cores)* @~720MHz, 32GB, Windows 10 Pro 64 bit build 10586.0 from RAM, music on LAN / Engine#4 Adaptive Mode / Q1/-/3/4/5 = 14/-/*0*/1/*0*/ Q1Factor = *10* / Dev.Buffer = 4096 / ClockRes = 1ms / Memory = Straight Contiguous / Include Garbage Collect / SFS = *120*  (max 120) / 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 = *100* / Cool when Idle = *n.a* / Provide Stable Power = *0* / Utilize Cores always = 1 / Time Performance Index = Not the best (OS from RAM issue) / Time Stability = Off (OS from RAM issue) / Custom Filter *high (25010)* 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 (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 = Not the best (OS from RAM issue) / Time Stability = Off (OS from RAM issue) / 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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