Automatic composer
US4982643A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1990 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Mar 13, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S706/902
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An automatic composer comprises an input unit which inputs a melody forming part of a music piece and a chord progression of music, a melody analyzer which extracts parameters characterizing the input melody and a melody generator which develops a melody forming the remainder of the music piece. There is further provided a database of musical knowledge which is used by both of the melody analyzer and generator. Because the common musical knowledge is applied to both of melody analysis and synthesis, the synthesized melody will be well fit for the input melody. The knowledge in the database is managed by an editor through which a user may change the stored knowledge to what is desired. In order to take the full advantage of the chord progression for music composition, there is provided a musical structure extracting device which determines key and hierarchic structures in music from the chord progression. The key structure serves to control a tonality of melody whereas the hierarchic structure functions to control a melodic line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.