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Equal Temperament on digital piano ? #1301930
11/09/09 07:44 AM
11/09/09 07:44 AM
Joined: Aug 2009
Posts: 530
C
Cashley Offline OP
500 Post Club Member
Cashley  Offline OP
500 Post Club Member
C
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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Re: Equal Temperament on digital piano ? [Re: Cashley] #1301934
11/09/09 08:12 AM
11/09/09 08:12 AM
Joined: Sep 2009
Posts: 1,965
London, UK
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kevinb Offline
1000 Post Club Member
kevinb  Offline
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K
Joined: Sep 2009
Posts: 1,965
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.

Re: Equal Temperament on digital piano ? [Re: kevinb] #1301941
11/09/09 08:41 AM
11/09/09 08:41 AM
Joined: Dec 2004
Posts: 283
Grimsby ON Canada
Thomson Lawrie Offline
Full Member
Thomson Lawrie  Offline
Full Member
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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Re: Equal Temperament on digital piano ? [Re: Thomson Lawrie] #1301960
11/09/09 10:14 AM
11/09/09 10:14 AM
Joined: Dec 2007
Posts: 15,965
Canada
keystring Offline
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keystring  Offline
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Joined: Dec 2007
Posts: 15,965
Canada
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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Re: Equal Temperament on digital piano ? [Re: keystring] #1301980
11/09/09 10:51 AM
11/09/09 10:51 AM
Joined: Dec 2006
Posts: 2,462
Denver, CO
DragonPianoPlayer Offline
2000 Post Club Member
DragonPianoPlayer  Offline
2000 Post Club Member
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.

Rich


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Re: Equal Temperament on digital piano ? [Re: keystring] #1301987
11/09/09 11:04 AM
11/09/09 11:04 AM
Joined: Apr 2008
Posts: 2,481
Niagara Region, On. Canada
Emmery Offline
2000 Post Club Member
Emmery  Offline
2000 Post Club Member
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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Re: Equal Temperament on digital piano ? [Re: Cashley] #2419948
05/13/15 04:18 AM
05/13/15 04:18 AM
Joined: May 2015
Posts: 8
Banned
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kajok Offline
Junior Member
kajok  Offline
Junior Member
K
Joined: May 2015
Posts: 8
Banned
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.

Thanks

Mr Dimitrov

Email: latchezar_d@yahoo.com

https://app.box.com/s/ub3uaub0ct17rcecdd607wx11phixl68


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