| US 7,485,795 B2 | ||
| Method and device for storing main information with associated additional information incorporated therein | ||
| Hideaki Taruguchi, Hamamatsu (Japan) | ||
| Assigned to Yamaha Corporation, Hamamatsu-Shi (Japan) | ||
| Filed on Mar. 15, 2005, as Appl. No. 11/81,304. | ||
| Application 11/081304 is a division of application No. 09/789273, filed on Feb. 20, 2001, granted, now 7,015,388. | ||
| Application 09/789273 is a division of application No. 08/882132, filed on Jun. 25, 1997, granted, now 6,209,096. | ||
| Claims priority of application No. 8-191528 (JP), filed on Jul. 02, 1996. | ||
| Prior Publication US 2005/0166067 A1, Jul. 28, 2005 | ||
| Int. Cl. G04B 13/00 (2006.01); G10H 7/00 (2006.01) | ||
| U.S. Cl. 84—609 [84/602; 84/616; 84/622] | 44 Claims |
| 1. A method of embedding additional data in performance data to be used for reproduction of a music piece and storing the
performance data and additional data in a readable form, said method comprising:
a supply step of supplying performance data, said performance data comprising a plurality of kinds of event data, each of
the event data representing any one of a plurality of kinds of processing instructions;
an extraction step of extracting, from among the performance data supplied by said supply step, one or more particular kinds
of event data; and
a change step of sequentially changing the particular kinds of event data extracted by said extraction step, in accordance
with a predetermined algorithm and using additional data to thereby embed the additional data into the performance data.
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