alexey fridman, "piano design and sound generation"
TRANSCRIPT
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Piano Design and Sound Generation Piano Design and Sound Generation
student Alexey Fridmanstudent Alexey Fridman
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Piano Design and Sound Generation Piano Design and Sound Generation
student Alexey Fridmanstudent Alexey Fridman
![Page 3: Alexey Fridman, "Piano Design and Sound Generation"](https://reader035.vdocument.in/reader035/viewer/2022062418/555c18aad8b42ad27e8b5549/html5/thumbnails/3.jpg)
PianoPiano
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Basic configurationsBasic configurations
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Grand pianoGrand piano Upright pianoUpright piano
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Piano partsPiano parts
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• keyboard & action
• iron plate & strings
• soundboard
• case (rim)
• pedals
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Piano partsPiano parts
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keyboard & actionkeyboard & action
• iron plate & strings
• soundboard
• case (rim)
• pedals
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Keyboard (88 keys)Keyboard (88 keys)
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Playing rangePlaying range OctavesOctaves• five-line
• four-line
• three-line
• two-line
• one-line
• small
• great
• contra
• sub-contra
Notes namesNotes names
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Grand piano mechanical actionGrand piano mechanical action
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Grand piano mechanical actionGrand piano mechanical action
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repetition systemrepetition system
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Grand piano mechanical actionGrand piano mechanical action
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Grand piano mechanical actionGrand piano mechanical action
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Vertical piano actionVertical piano action
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Piano partsPiano parts
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keyboard & actionkeyboard & action
• iron plate & strings
• soundboard
• case (rim)
• pedals
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Piano partsPiano parts
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keyboard & action
iron plate & stringsiron plate & strings
• soundboard
• case (rim)
• pedals
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FrameFrame
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Plate of a Steinway grand piano
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made of cast iron
string tension > 20 tons
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Sound frequency of stringsSound frequency of strings
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Vibrational modes of an ideal string, dividing the string length into integer divisions, producing harmonic partials f, 2f, 3f, 4f, etc. (where f means fundamental frequency).
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Sound frequency of stringsSound frequency of strings
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512 Hz 1024 Hz256 Hz
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Three strings tuned to the same frequency
StringsStrings
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• loud attack
• fast decay
• long sustain
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String length and massString length and mass
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Strings vary in length and thickness, so that many octaves can fit on one sounding board
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Piano partsPiano parts
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keyboard & action
iron plate & stringsiron plate & strings
• soundboard
• case (rim)
• pedals
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Piano partsPiano parts
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keyboard & action
iron plate & strings
soundboardsoundboard
case (rim)case (rim)
• pedals
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Soundboard & rimSoundboard & rim
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soundboardsoundboard soft and flexible
outerouter rimrim hard and immobile
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Piano partsPiano parts
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keyboard & action
iron plate & strings
soundboardsoundboard
case (rim)case (rim)
• pedals
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Piano partsPiano parts
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keyboard & action
iron plate & strings
soundboard
case (rim)
pedalspedals
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PedalsPedals
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Piano partsPiano parts
26.01.2011 Piano design and sound generation 27
keyboard & action
iron plate & strings
soundboard
case (rim)
pedalspedals
![Page 27: Alexey Fridman, "Piano Design and Sound Generation"](https://reader035.vdocument.in/reader035/viewer/2022062418/555c18aad8b42ad27e8b5549/html5/thumbnails/27.jpg)
Piano partsPiano parts
26.01.2011 Piano design and sound generation 28
keyboard & actionkeyboard & action
iron plate & stringsiron plate & strings
soundboardsoundboard
case (rim)case (rim)
pedalspedals
![Page 28: Alexey Fridman, "Piano Design and Sound Generation"](https://reader035.vdocument.in/reader035/viewer/2022062418/555c18aad8b42ad27e8b5549/html5/thumbnails/28.jpg)
Thank youThank you
2926.01.2011 Piano design and sound generation
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Thank youThank you