Abstract

Provided are a method, computer storage device, and tone control device for generating tones with a vibrato effect. A determination is made of a key depression interval comprising a difference of a current time of a current note from a previous time of a previous note. A performance mode is set to a single tone mode, in which only one note is generated, or a polyphonic mode, in which multiple notes are simultaneously generated, based on the determined key depression interval. The tone is generated to output the current note with a first modulation magnitude in response to determining that the performance mode is the single tone mode. A tone is generated to output the current note with a second modulation magnitude in response to determining that the performance mode is the polyphonic mode, wherein the first modulation magnitude is greater than the second modulation magnitude.

Department(s)

Mechanical and Aerospace Engineering

Patent Application Number

US13/397,566

Patent Number

US8729377B2

Document Type

Patent

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2014 Roland Corporation, All rights reserved.

Publication Date

01 Jan 2012

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