Talk:Digital piano

message: I do not feel comfortable with the "Digital Piano" picture presented as of 3/27/2006 PST. That picture is of what is simply known as a "keyboard" that has only 61 plastic keys and very simple simulation of many different instruments as well as some artificial sounds, but it is not of an instruments with sophisticated features like mecanical key reaction simulation that instrument manufactures have been developing.
: I'm inclined to agree with the unrepresentativeness of the image. Dysprosia 21:34, 27 March 2006 (UTC)
thread_title:  "Digital Piano" picture? 

message: The "Alternatives" section in the current article starts out:
A digital piano is essentially nothing more than a keyboard controller married to a sample playback device which specializes in piano sounds. Other electronic instruments are capable of playing piano samples.
As a section lead in a Wikipedia article that really has not a lot to recommend it!
* Inaccurate
* POV
* Unsourced
* Blatant advocacy
I guess it's not a lot different to the guitar wars we have from time to time. Anyway, still needs work and obviously will remain a controversial article. Andrewa (talk) 17:16, 11 April 2010 (UTC)
thread_title: Resuming the above

message: About the comments above:
:: "Article implies all pianos are sampled.  Wrong.  Most decent pianos are hybrid -- a sharp attack sample from the real thing, and a few milliseconds later, a synthesized waveform generated by generally in-house proprietary chips."
:: They are not using synthesized waveforms; at least not in the traditional sense. Piano harmonics are too complex for a VCO or a DCO. I think you are talking about modeled pianos. At the end of 2005, there weren't a lot of (or any?) digital pianos that were modeled instead of sampled.
I have my doubts about Trweiss' statement. I cannot back it with actual knowledge about the implementation of digital pianos, but consider this: You'd need to record 30 to 60 seconds of stereo audio for each of the 88 keys, at different attack levels (say 5 levels). That would be about five hours of samples. Although memory is cheap these days, it was a considerable amount in and before 2005. Moreover, I would expect that even with recordings at five levels and amplitude scaling, you would notice the abrupt changes in tonal quality if, say, you you hit the same key in a sequence with increasing force. If I had to implement it, I'd record samples, and just store the amplitude, frequency, and phase of the different frequency components over time. Which is what Tigerplish seems to suggest. It's more complicated than a digitally controlled oscillator, but not particularly difficult for a digital signal processor. Han-Kwang (t) 11:45, 24 December 2011 (UTC)
thread_title:  Sampled piano recordings 

message: A very interesting discussion indeed, showing various aspect of virtual piano "recreation", and definitely worth being incorporated in the article. I feel, however, insufficient indication of the following aspect: the feature of changing the timbre of the sound by the way (not just force, i.e. dynamic aspect) the keys are actuated. Isn't it called "toucher"? Many notable pianist are said to be able to clearly differentiate the timbre of the notes, parts or fragments. It's not only about the "accidentals" of piano mechanism. Remember the story of church organs, when the switch from pneumatic steering to electrical was made?  — Preceding unsigned comment added by 77.255.32.81 (talk) 00:52, 14 September 2012 (UTC)
thread_title:  Missing aspect 

message: Why is Yamaha mentioned first? It should be alphabetical or you have to explain that. I know that Yamaha is well-known, but the section should neutral.--77.0.240.233 (talk) 21:17, 4 September 2013 (UTC)
thread_title:  Manufacturers 

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