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#1301930 - 11/09/09 06:44 AM Equal Temperament on digital piano ?  
Joined: Aug 2009
Posts: 530
Cashley Offline
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Cashley  Offline
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Joined: Aug 2009
Posts: 530
Since the digital piano, such as Yamaha's Clavinova has no strings whatsoever, can we safely say that the temperament that we hear on a digital piano is the perfect ET that is impossible to achieve on acoustic pianos ?

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#1301934 - 11/09/09 07:12 AM Re: Equal Temperament on digital piano ? [Re: Cashley]  
Joined: Sep 2009
Posts: 1,832
kevinb Online content
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kevinb  Online Content
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Joined: Sep 2009
Posts: 1,832
London, UK
Not necessarily -- some DPs are configurable in this respect, which suggests that 12-ET is not universal. I would guess that, on instruments where it isn't configurable, then the pitches probably are mathematically-exact 12-ET. But that's possibly a trade secret.

#1301941 - 11/09/09 07:41 AM Re: Equal Temperament on digital piano ? [Re: kevinb]  
Joined: Dec 2004
Posts: 283
Thomson Lawrie Offline
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Thomson Lawrie  Offline
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Joined: Dec 2004
Posts: 283
Grimsby ON Canada
Some digital instruments are tuned to accommodate some of the other instrument voices such as an organ sound. I have been surprised when checking the temperament on digital instruments in the past that the beat rates didn't always progress the way I thought they should. My conclusion was that the tuning wasn't set up just for the piano voice. There are also usually a number of different piano voices which presumably would have different harmonic structure and inharmonicity built into them to produce the differences in tonal character. Unless the instrument has different tunings for each voice then there is going to be tuning compromises within each voice.

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#1301960 - 11/09/09 09:14 AM Re: Equal Temperament on digital piano ? [Re: Thomson Lawrie]  
Joined: Dec 2007
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keystring Offline
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I have always been curious about the little instrument that I had in childhood in the 1960's. It's the size of a keyboard with smaller keys for a child's hand. It was among the first of its kind ever built and is called a "Hohner organ". It's an aereophone with fan-pumped air streaming past metal (?) reeds. When I was a child, I fell in love with major sixths, but on other instruments I never got the same sweet effect.

I got the instrument back a year ago. The mechanism grinds and growls and the voice has become quiet, but that sweetness to the sixths - any sixths - is still there. I've been tempted to post a recording to see if anyone can recognize what it's about. It also has a gentle vibrato which may have to do with the way the air is streaming. I keep wondering whether it's the temperament, though.

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#1301980 - 11/09/09 09:51 AM Re: Equal Temperament on digital piano ? [Re: keystring]  
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DragonPianoPlayer Offline
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DragonPianoPlayer  Offline
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Joined: Dec 2006
Posts: 2,462
Denver, CO
As far as digital piano temperament goes:
- Some allow you to change the temperament.
- Most digitals are sampled from pianos.
- Some (mostly higher end models) are sampled every note. In this scenario, it is most likely the tuning of the piano that was sampled that you are hearing.
- Others sample only a select number of notes and then generate the other notes via algorithms. In this scenario, without understanding the technology used, you are never sure whether it is because of the sampled piano or the generation algorithm.


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#1301987 - 11/09/09 10:04 AM Re: Equal Temperament on digital piano ? [Re: keystring]  
Joined: Apr 2008
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Emmery Offline
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Emmery  Offline
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Joined: Apr 2008
Posts: 2,481
Niagara Region, On. Canada
The vast majority of DP's today are best classified as "romplers". This term is a combination of the 2 words, ROM and sampler. The original sound was sampled (often from an acoustic piano) but is reproduced from access of the computers ROM. Some lab work is done on the original tones to clean them up a bit I think. Comparatively weaker partials are boosted and less desirable ones like the 7th and 9th can be minimized or even removed. Small nuances in the iH of partials seem to be cleaned up or more consistent with each other as compared to acoustic pianos I've looked at.

The temperament can be left by the manufacturer to the original recorded sample or tweaked to match the spectrum of the tones produced. When I check the tuning of my DP with a highly accurate ETD, there are subtle changes in the temperament and the overall tuning when switching from Grand Piano to Bright Piano to organ ect.

None of the temperaments are "perfect" (on my DP) when looking at the fundamental tone and comparing to the ETD's template. The organ settings seem to be the closest to a perfect temperament but even they will vary by fractions of a cent here and there.

I am sure that the manufacturers could make them perfect but it would be counter intuitive to do so; after all, they are trying to make them sound like a real piano.

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#2419948 - 05/13/15 03:18 AM Re: Equal Temperament on digital piano ? [Re: Cashley]  
Joined: May 2015
Posts: 8
kajok Offline
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kajok  Offline
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Joined: May 2015
Posts: 8
Hello everybody,

I am violinist and retired.
Now I have lot of time and I discovered a new temperament.
Using Microsynth I recorded one example and if you have some free time,please listen and tell me if do you like.


Mr Dimitrov

Email: latchezar_d@yahoo.com


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