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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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