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Class Information
Number: 704
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression >
Description: This is the generic class for apparatus and corresponding methods for constructing, analyzing, and modifying units of human language by data processing, in which there is a significant change in the data.
| Class Number |
Class Name |
No. of Patents | | 704/500 |
Audio signal bandwidth compression or expansion |
737 | | 704/502 |
Delay line |
50 | | 704/501 |
With content reduction encoding |
229 | | 704/503 |
Audio signal time compression or expansion (e.g., run length coding) |
299 | | 704/504 |
With content reduction encoding |
119 | | 704/1 |
Linguistics |
418 | | 704/10 |
Dictionary building, modification, or prioritization |
505 | | 704/8 |
Multilingual or national language support |
475 | | 704/9 |
Natural language |
1288 | | 704/2 |
Translation machine |
509 | | 704/4 |
Based on phrase, clause, or idiom |
238 | | 704/5 |
For partial translation |
118 | | 704/3 |
Having particular input/output device |
231 | | 704/6 |
Punctuation |
37 | | 704/7 |
Storage or retrieval of data |
318 | | 704/200 |
Speech signal processing |
357 | | 704/270 |
Application |
1584 | | 704/271 |
Handicap aid |
204 | | 704/272 |
Novelty item |
216 | | 704/276 |
Pattern display |
186 | | 704/273 |
Security system |
186 | | 704/278 |
Sound editing |
234 | | 704/270.1 |
Speech assisted network |
543 | | 704/275 |
Speech controlled system |
1269 | | 704/277 |
Translation |
207 | | 704/274 |
Warning/alarm system |
87 | | 704/201 |
For storage or transmission |
585 | | 704/229 |
Adaptive bit allocation |
416 | | 704/220 |
Analysis by synthesis |
377 | | 704/205 |
Frequency |
437 | | 704/206 |
Specialized information |
164 | | 704/209 |
Formant |
138 | | 704/207 |
Pitch |
469 | | 704/208 |
Voiced or unvoiced |
254 | | 704/210 |
Silence decision |
85 | | 704/225 |
Gain control |
219 | | 704/219 |
Linear prediction |
825 | | 704/202 |
Neural network |
51 | | 704/226 |
Noise |
616 | | 704/228 |
Post-transmission |
278 | | 704/227 |
Pretransmission |
155 | | 704/224 |
Normalizing |
162 | | 704/221 |
Pattern matching vocoders |
225 | | 704/223 |
Excitation patterns |
403 | | 704/222 |
Vector quantization |
364 | | 704/230 |
Quantization |
491 | | 704/211 |
Time |
250 | | 704/216 |
Correlation function |
128 | | 704/217 |
Autocorrelation |
125 | | 704/218 |
Cross-correlation |
59 | | 704/212 |
Pulse code modulation (pcm) |
164 | | 704/215 |
Silence decision |
157 | | 704/214 |
Voiced or unvoiced |
205 | | 704/213 |
Zero crossing |
54 | | 704/203 |
Transformation |
257 | | 704/204 |
Orthogonal functions |
86 | | 704/200.1 |
Psychoacoustic |
329 | | 704/231 |
Recognition |
653 | | 704/243 |
Creating patterns for matching |
432 | | 704/245 |
Clustering |
154 | | 704/244 |
Update patterns |
228 | | 704/233 |
Detect speech in noise |
641 | | 704/232 |
Neural network |
167 | | 704/234 |
Normalizing |
109 | | 704/236 |
Specialized equations or comparisons |
266 | | 704/237 |
Correlation |
44 | | 704/238 |
Distance |
149 | | 704/241 |
Dynamic time warping |
143 | | 704/240 |
Probability |
289 | | 704/239 |
Similarity |
163 | | 704/242 |
Viterbi trellis |
112 | | 704/235 |
Speech to image |
489 | | 704/246 |
Voice recognition |
464 | | 704/248 |
Endpoint detection |
75 | | 704/247 |
Preliminary matching |
70 | | 704/250 |
Specialized models |
138 | | 704/249 |
Subportions |
83 | | 704/251 |
Word recognition |
764 | | 704/253 |
Endpoint detection |
172 | | 704/252 |
Preliminary matching |
165 | | 704/255 |
Specialized models |
454 | | 704/256 |
Markov |
352 | | 704/256.1 |
Hidden markov model (hmm) (epo) |
60 | | 704/256.4 |
Duration modeling in hmm, e.g., semi hmm, segmental models, transition probabilities (epo) |
57 | | 704/256.5 |
Hidden markov (hm) network (epo) |
34 | | 704/256.6 |
State emission probability (epo) |
7 | | 704/256.7 |
Continuous density, e.g, gaussian distribution, lapalce (epo) |
22 | | 704/256.8 |
Discrete density, e.g., vector quantization preprocessor, look up tables (epo) |
21 | | 704/256.2 |
Training of hmm (epo) |
60 | | 704/256.3 |
With insufficient amount of training data, e.g., state sharing, tying, deleted interpolation (epo) |
11 | | 704/257 |
Natural language |
523 | | 704/254 |
Subportions |
374 | | 704/258 |
Synthesis |
579 | | 704/263 |
Correlation |
36 | | 704/264 |
Excitation |
97 | | 704/268 |
Frequency element |
226 | | 704/260 |
Image to speech |
669 | | 704/265 |
Interpolation |
139 | | 704/262 |
Linear prediction |
133 | | 704/259 |
Neural network |
40 | | 704/266 |
Specialized model |
151 | | 704/267 |
Time element |
202 | | 704/269 |
Transformation |
73 | | 704/261 |
Vocal tract model |
89 | |
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