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Motion planning, also path planning (also known as the navigation problem or the piano mover's problem) is a computational problem to find a sequence of valid configurations that moves the object from the source to destination.
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The piano is an example of a velocity-sensitive keyboard instrument. The piano, being velocity-sensitive, responds to the speed of the key-press in how fast the hammers strike the strings, which in turn changes the tone and volume of the sound. Several piano predecessors, such as the harpsichord, were not
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The piano action mechanism [1] (also known as the key action mechanism [2] or simply the action) of a piano or other musical keyboard is the mechanical assembly which translates the depression of the keys into rapid motion of a hammer, which creates sound by striking the strings.
In music, the dynamics of a piece are the variation in loudness between notes or phrases.Dynamics are indicated by specific musical notation, often in some detail.However, dynamics markings require interpretation by the performer depending on the musical context: a specific marking may correspond to a different volume between pieces or even sections of one piece.
On a piano, played with the soft pedal depressed Due corde: two strings: On a piano, played with the soft pedal depressed (For why both terms exist, see Piano#Pedals.) Tre corde or tutte le corde: three strings or all the strings: Cancels una corda Glissando: gliding, glossing: A sweeping glide from one pitch to another used for dramatic effect ...
Though moving a piano may seem like a simple procedure, there are hidden factors which compound the procedure. Pianos are difficult to move and should only be moved by a professional who is careful, properly trained, insured, and has the proper equipment. An upright piano is the most popular and simpler to move than a grand piano.