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Joined: Sep 2020
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meghdad Offline OP
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The manual of the Gnu/Linux version instructs to set the CPU power to 'performance' which means full speed all the time. This is overkill for any beginner to intermediate level player or arguably for higher levels as well.

I'd recommend lowering your CPU clock speed to save power and to generate less heat and fan noise.

For Gnu/Linux, use the cpupower command and set the clock speed in supported steps, one by one starting from the base speed, until you hear crackles in sound while playing a piece suitable to your level or higher.

For Windows, here is a guide I found: https://www.instructables.com/How-to-Adjust-CPU-Frequency-in-Windows-10/

On my machine, I can use the thing just fine at 1.9 Ghz speed, dual core. The sample blues demo plays fine as well. I could benchmark it using more sophisticated MIDI files, but that's besides the point because that'd be overkill for my level.


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Raspberry PI 4B at 1,5GHz without issue here


[Kawai VPC1 / ES100 - VSTs: VSL 280VC, Garritan CFX, Pianoteq 7 Standard & VI Labs Ravenscroft 275 - Ableton Live - Presonus iOne / iTwo - Sennheiser HD700/6xx - Presonus E5+T10, iloud micro monitors]
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I wouldn't know how to knock back my CPU speed. It only does 1.1 GHz anyway at a performance rating of 44.
Both arms up and down on the keyboard with the loud pedal depressed produces a few red lines, and eventually cut outs but normal playing is unaffected particularly at my performance level!.


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You don't need to change your CPU speed. Run your CPU at the speed set by the manufacturer and adjust the Pianoteq settings to get more reliable performance. If you're having issues with heat/fan noise, get a better cooling system for the CPU.

For more reliable performance in Pianoteq you have 2 options:
1. lower the polyphony and increase the buffer size
2. OR lower the 'internal sample rate'


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Originally Posted by Groove On
You don't need to change your CPU speed. Run your CPU at the speed set by the manufacturer and adjust the Pianoteq settings to get more reliable performance. If you're having issues with heat/fan noise, get a better cooling system for the CPU.

For more reliable performance in Pianoteq you have 2 options:
1. lower the polyphony and increase the buffer size
2. OR lower the 'internal sample rate'

FWIW --

+1.

I found that disabling the WiFi adapter, on my laptop, reduced the number of dropouts. As did "minimizing" (making invisible) Pianoteq, so the onscreen keyboard, and MIDI velocity graph, wasn't taking up any graphics power.

I am running "un-throttled" -- always in high-power mode.


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Never heard of pianoteq - can you use it with Kawai ES110?

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A Pianoteq virgin!
Originally Posted by Bebe1980
Never heard of pianoteq - can you use it with Kawai ES110?
Save yourself now! Don't use it! Retain your purity! smile

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meghdad Offline OP
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Originally Posted by Groove On
You don't need to change your CPU speed. ...

1. lower the polyphony and increase the buffer size
May I ask, why? What's the advantage compared to my approach?


Pianoteq + Korg C1.

I shall be "thankful" for this decent alternative to an upright piano. Hallelujah.
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Originally Posted by Charles Cohen
Originally Posted by Groove On
You don't need to change your CPU speed. Run your CPU at the speed set by the manufacturer and adjust the Pianoteq settings to get more reliable performance. If you're having issues with heat/fan noise, get a better cooling system for the CPU.

For more reliable performance in Pianoteq you have 2 options:
1. lower the polyphony and increase the buffer size
2. OR lower the 'internal sample rate'

FWIW --

+1.

I found that disabling the WiFi adapter, on my laptop, reduced the number of dropouts. As did "minimizing" (making invisible) Pianoteq, so the onscreen keyboard, and MIDI velocity graph, wasn't taking up any graphics power.

I am running "un-throttled" -- always in high-power mode.

So many problems for so many people. Why do I have none, wi my little set up? I run PTq max polyph and the screen displays shortly after I start playing it.
Something must be wrong! I should have problems! I must return my computer; I obviously paid far too little for it!


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I don't intend to use it ... I was just wondering if it would work with the "stunning" Kawai ES110 ?

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There are two ways to use Pianoteq:

- On a computer dedicated for it. Then the CPU clock/power consumption tweak makes sense.
- On a computer that's used for other things too. Then one would only tweak the Pianoteq settings.

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meghdad Offline OP
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Oh yeah of course! I was speaking from my point of view, which is the first item (It's not a dedicated computer rather a dedicated OS but that's basically the same).


Pianoteq + Korg C1.

I shall be "thankful" for this decent alternative to an upright piano. Hallelujah.
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meghdad Offline OP
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Just wanted to add that on a normal day-to-day Gnu/Linux installation, the CPU speed adjustment is possible too. One can make a script to adjust the CPU speed just during using Pianoteq and return it to the default settings after exit.

I don't know if it's possible on Windows as well.


Pianoteq + Korg C1.

I shall be "thankful" for this decent alternative to an upright piano. Hallelujah.
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Originally Posted by Bebe1980
Never heard of pianoteq - can you use it with Kawai ES110?


Yes, you can.


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