Presente ter: Wan Qi Choo
} Digital musical instrument - interface: the 8 x 8 matrix of light emitting buttons. - 64 buttons: may be activated in different ways to generate musical tones and light. } 3 music playing modes: - Sweep mode, Memory mode, Gravity mode. } 3 musical instrument voices: - Guitar, Piano, Drum beats } MIDI features
} 1. An ability to respond to user’s selection by producing sound and emitting light when the buttons are pressed. } 2. An ability to memorize the sequence, as well as play the selected tones infinitely, in the order set by user. } 3. An ability to utilize an accelerometer to detect the inclination and direction of the device, so that the pitch and tempo of music can be changed. } 4. An ability to load various musical instruments sounds such as guitar, piano, and drum beats from the internal memory of the microcontroller and to play out sound. } 5. An ability to control computers or other MIDI instruments by sending MIDI, which are the operation data generated from the device, through the MIDI OUT interface.
} 1. An ability to respond to user’s selection by producing sound and emitting light when the buttons are pressed. } 2. An ability to memorize the sequence, as well as play the selected tones infinitely, in the order set by user. } 3. An ability to utilize an accelerometer to detect the inclination and direction of the device, so that the pitch and tempo of music can be changed. } 4. An ability to load various musical instruments sounds such as guitar, piano, and drum beats from the internal memory of the microcontroller and to play out sound. } 5. An ability to control computers or other MIDI instruments by sending MIDI, which are the operation data generated from the device, through the MIDI OUT interface.
} Sweep mode - Music is played in a sequence such that when a sweeping bar hits the buttons that were pressed, it generates the tones and light associated with the buttons. - The vertical sweeping bar is virtual as it only serves as a tool to count beats. - It moves horizontally, one grid at a time, from left to right and repeats. - The eight columns represent the eight timing steps; the eight rows represent eight different pitches. } Memory mode - Music is played and looped infinitely in a sequence following the order the buttons were selected. - 64 buttons represent 64 types of pitches.
} Gravity mode - Accelerometer is used to detect device inclination. - The selected button acts like a spherical object that generates the associated musical notes and light based on its coordinates as it moves around the plane. - The tempo of the playing tones is determined by the device inclination.
} Fundamental criteria for analysis: - Project’s major features - Project’s PSSCs } Similar commercial products: - Tenori-On by Yamaha
1 . Visually attractive interface: - When a switch is pushed, the light is emitted and user will have the points to generate the sound. - Perform exactly the same function: [PSSC1]: An ability to respond to user’s selection by producing sound and emitting light when the buttons are pressed.
2. Create Music with various kinds of loops: - Score mode: When scan bar moves one by one from left to right, it generates sound at the point where the switches were pushed and loops. - Perform substantially the same function as the Sweep mode. (Scan bar is not visible in Sweep mode.)
- Random loop mode: When switch is pushed one by one, the point that was pushed should be memorized as the order it was pushed. - Light moves between the points where switches were pushed and the sound should be generated when the light hits the point. - Perform substantially the same function as the Memory mode. (Light is only visible on the pressed buttons in Memory mode.) [PSSC2]: An ability to memorize the sequence, as well as play the selected tones infinitely, in the order set by user.
} Performance Apparatus and Tone Generation Method –Patent No. : US8008565B2 -Patent Date : Aug 30, 2011 -Filed : Oct 21, 2009 } Performance Apparatus and Tone Generation Method using the Performance Apparatus –Patent No. : US7342164B2 -Patent Date : March 11, 2008 -Filed : July 28, 2006
} Performance Apparatus and Tone Generation Method Abstract: “Plural key switches are arranged in two dimensions along X- and Y- coordinate axes, and an X- X-coordinate te positi tion of each of th the key switc tches is associated with to tone generati tion ti timing while a Y- Y-coordinate te positi tion of each of th the key switc tches is associated with a to tone pitc tch. Storage section stores a music piece data set that includes tone generating data having data ta of to tone pitc tches and to tone generati tion ti timing associate ted with th th the key switc tches. In a repeat-section setting mode, a repeat-section setting section causes the plural key switches to function as setting operators and sets ts a repeat t secti tion of th the music piece data ta set t on th the basis of th the X- X-coordinate te positi tion of any operate ted one of th the key switc tches. In reproduction of the stored music piece data set, a reproduction section repeti titi tively reproduces th the to tone generati ting data ta of th the music piece data ta set t which are included in the set repeat section.” Types: Literal Infringement Actions: obtain license from Yamaha to use the functions
} Apparatus and Tone Generation Method using the Performance Apparatus Abstract: “Key switches are arranged to form plural rows, and light t emitti tting elements ts are provided in corresponding relati tion to to th the key switc tches. For each of the rows, any operate ted key switc tch is dete tecte ted, and, on the basis of such detection, the light t emitti tting elements ts are sequenti tially illuminate ted so that an illuminated position reciprocates between the operated key switch and the key switch located at a predetermined position of the row the operated key switch belongs to. In synchronism with illumination of the key switch located at a predetermined position of the row, at least one of to tones allocate ted to to th the row is generate ted. When duration of operation of the operated key switch is greater than a predetermined time, the light emitting elements located in a predetermined range may be illuminated in accordance with a predetermined pattern, and an effect may be imparted to a tone corresponding to the operated key switch.” Types: Infringement under Doctrine of Equivalents Actions: obtain license from Yamaha to use the functions
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