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0day Offline OP
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good evening, have you ever tried to tune a piano leaving pianometer always listening? I have seen some tuner technicians who do this. on the pianometer website he recommends playing some notes and then locking with the padlock, instead I saw that someone always leaves him listening ...

Last edited by 0day; 08/05/22 04:34 PM.
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I'm not sure of your question... Yes, I leave whatever app I'm using running while I tune. What would be the purpose for not having it listen?

Ron Koval


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Sample inharmonicity to create a tuning curve. Play several notes across the range of the piano, playing each note for approximately 2 seconds. It is important to sample notes in the mid-section, tenor, and bass. The program is always listening and will automatically calculate an ideal tuning curve based on the inharmonicity of the sampled notes. afterwards he recommends to stop listening and start tuning instead I have seen that some leave the app always listening

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I haven't used pianometer in a while, but I am a bit familiar with the app. (I had forgotten that it had that feature of leaving the measuring active, which can throw off the calculation)

Like any of the apps that are able to measure 76 notes, (A0-C7) best results come from measuring all of those notes - AND looking at the graph and remeasuring any notes that seem out of place. Either to verify outliers or getting a result that fits the inharmonicity graph better.

Yes, it is possible to just take a few samples and tune from there, and yes that often works well on decently scaled pianos. I always try to give the app the most accurate information from which to work.

But yes, once I have a verified inharmonicity curve meausured, then I would switch to tuning mode so that the inharmonicity information isn't changing the tuning curve while tuning! (I think that's what you mean?) Noise during tuning or different key strikes can have a negative effect on the measuring...

Ron Koval

Last edited by RonTuner; 08/05/22 05:08 PM.

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ok thanks!

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Best practice is to measure all the notes first (I typically do this during a pitch raise) and then lock the tuning with the padlock button so it stops measuring and recalculating before you do the fine tuning. That said, I've tuned many pianos with PianoMeter "always listening" and it's been fine. There is some recalculating that goes on, but the adjustments get progressively smaller as more data is stored. But if you don't want the pitch targets changing for notes you've already tuned, lock the tuning curve.


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I usually play all the D and all G# before blocking (it's only 14 notes) that way good tunings come out?

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0day,

Is your choice of D and G# because they are the physical center points of the chromatic scale? Or is there a different reason?

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it is the way to play as few notes as possible (only 14) and calculate the inharmonicity of the whole keyboard

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That will work for pianos that have a smooth inharmonicity graph. It will be less than optimum for all the other pianos that have jumps at the stringing changes, struts, and other design parameters...

Ron Koval


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I also compared various tunings with this method with tla tuner, peterson autostrobe 490st and yamaha pt-100. the results are very similar. so in my opinion you could insert profiles for various ready-made pianos, after all tla, peterson and yamaha don't listen to anything, they are ready to use.


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