http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107622774-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10L25-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10L25-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10L25-48 |
| filingDate | 2017-08-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107622774-B |
| titleOfInvention | A kind of music-tempo spectrogram generation method based on match tracing |
| abstract | The present invention provides a kind of music-tempo spectrogram generation method based on match tracing, is related to content-based music information retrieval field, this approach includes the following steps：Music signal is inputted, generates note starting point detection function o (n) and to its framing；Common music-tempo section is taken to be converted into frequency sets；To each frequency in frequency sets, a corresponding parent is created；Shifting function is carried out to parent, it is often mobile once to generate a new atom；All parents and new atom are assembled into redundant dictionary；With the dictionary, match tracing is carried out to each frame of o (n), the decomposition coefficient of each music-tempo is obtained, ultimately produces the music-tempo spectrogram of the music.The music-tempo spectrogram that the present invention generates has the characteristics that high resolution, sparsity are strong, and the resolution ratio of music-tempo, the shift granularity of parent and match tracing cycle-index can be flexibly set according to oneself requirement, to generate the music-tempo spectrogram of different resolution and different sparsities. |
| priorityDate | 2017-08-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 19.