Systems and methods for creating, modifying, interacting with and playing musical compositions
US8153878B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2009 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | May 26, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2250/595
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of providing a file structure for use in a music playback device is disclosed. A slotted structure is provided that has a header portion that precedes a plurality of slot portions. The header portion includes a set of parameter locations indicating one or more of the following: header length, checksum, file type, file version, and number of slots. A first slot portion includes a set of parameter locations indicating one or more of the following: slot type, name length, name, data length, and data. A second slot portion includes a set of parameter locations indicating one or more of the following: slot type, name length, name, data length, and data. The first slot data parameter location contains audio waveform data, and slots can be added and removed via firmware/operating system without affecting the other slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.