http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H07234696-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5547f741b25666fc4ae5195cf71a979b |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G10L25-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01R23-16 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G10L25-48 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01R23-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10L11-00 |
| filingDate | 1994-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6d438e837b1bb0fe8295482ecd0c90a6 |
| publicationDate | 1995-09-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H07234696-A |
| titleOfInvention | Speech complex cepstrum analyzer |
| abstract | (57) [Summary] [Purpose] Analyzing data obtained by digitizing voice signals, To extract the complex cepstrum, which is a parameter representing the logarithmic amplitude spectrum and phase characteristics, with high precision with a relatively small amount of calculation. [Structure] Each sample of voice data multiplied by a window is converted by a discrete Fourier transformer A1 to obtain a spectrum of the voice, and at the same time, a multiplier 4 multiplies the value according to the time of each sample, and the result is a discrete Fourier transform. The conversion is performed by the converter B6 to obtain the differential spectrum. The quotient real part calculator 7 obtains the real part of the value obtained by dividing this differential spectrum by the spectrum of the voice, inversely transforms it by the discrete inverse Fourier transformer B8, and the divider 9 calculates the result of each sample. The value is divided by the value at each time to obtain the time function corresponding to the phase. On the other hand, the logarithmic amplitude spectrum calculator 2 and the discrete inverse Fourier transformer A3 determine the time function corresponding to the logarithmic amplitude spectrum, and the adder 1 In step 1, both time functions are added together at each time to obtain the complex cepstrum. |
| priorityDate | 1994-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID451032000 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID62957 |
Total number of triples: 16.