| Name | Type | |
|---|
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| Feature compensation approach to robust speech recognition | Prior Art | |
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| Feature compensation approach to robust speech recognition | Comment | |
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| Feature compensation approach to robust speech recognition | Expiration Reminder | |
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| DATA PROCESSING: SPEECH SIGNAL PROCESSING, LINGUISTICS, LANGUAGE TRANSLATION, AND AUDIO COMPRESSION/DECOMPRESSION | Patent Class | |
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| Storage or retrieval of data | Patent Class | |
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| Natural language | Patent Class | |
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| Detect speech in noise | Patent Class | |
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| Speech to image | Patent Class | |
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| Probability | Patent Class | |
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| Voice recognition | Patent Class | |
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| Natural language | Patent Class | |
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| SPEECH RECOGNITION (EPO) | Patent Class | |
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| Feature extraction for speech recognition; selection of recognition unit (EPO) | Patent Class | |
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| Adaptive pattern learning for bilingual data mining | Prior Art | |
| |
| Adaptive pattern learning for bilingual data mining | Comment | |
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| Adaptive pattern learning for bilingual data mining | Expiration Reminder | |
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| System and method for selecting and presenting advertisements based on natural language processing of voice-based input | Prior Art | |
| |
| System and method for selecting and presenting advertisements based on natural language processing of voice-based input | Comment | |
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| System and method for selecting and presenting advertisements based on natural language processing of voice-based input | Expiration Reminder | |
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| Transcription, archiving and threading of voice communications | Prior Art | |
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| Transcription, archiving and threading of voice communications | Comment | |
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| Transcription, archiving and threading of voice communications | Expiration Reminder | |
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| Maximum entropy model with continuous features | Prior Art | |
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| Maximum entropy model with continuous features | Comment | |
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| Maximum entropy model with continuous features | Expiration Reminder | |
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| LINGUISTICS | Patent Class | |
| |
| Translation machine | Patent Class | |
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| Having particular Input/Output device | Patent Class | |
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| Based on phrase, clause, or idiom | Patent Class | |
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| For partial translation | Patent Class | |
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| Punctuation | Patent Class | |
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| Multilingual or national language support | Patent Class | |
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| Dictionary building, modification, or prioritization | Patent Class | |
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| SPEECH SIGNAL PROCESSING | Patent Class | |
| |
| Psychoacoustic | Patent Class | |
| |
| For storage or transmission | Patent Class | |
| |
| Neural network | Patent Class | |
| |
| Transformation | Patent Class | |
| |
| Orthogonal functions | Patent Class | |
| |
| Frequency | Patent Class | |
| |
| Specialized information | Patent Class | |
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| Pitch | Patent Class | |
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| Voiced or unvoiced | Patent Class | |
| |
| Formant | Patent Class | |
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| Silence decision | Patent Class | |
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| Time | Patent Class | |
| |
| Pulse code modulation (PCM) | Patent Class | |
| |
| Zero crossing | Patent Class | |
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| Voiced or unvoiced | Patent Class | |
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| Silence decision | Patent Class | |
| |
| Correlation function | Patent Class | |
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| Autocorrelation | Patent Class | |
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| Cross-correlation | Patent Class | |
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| Linear prediction | Patent Class | |
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| Analysis by synthesis | Patent Class | |
| |
| Pattern matching vocoders | Patent Class | |
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| Vector quantization | Patent Class | |
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| Excitation patterns | Patent Class | |
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| Normalizing | Patent Class | |
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| Gain control | Patent Class | |
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| Noise | Patent Class | |
| |
| Pretransmission | Patent Class | |
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| Post-transmission | Patent Class | |
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| Adaptive bit allocation | Patent Class | |
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| Quantization | Patent Class | |
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| Recognition | Patent Class | |
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| Neural network | Patent Class | |
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| Normalizing | Patent Class | |
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| Specialized equations or comparisons | Patent Class | |
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| Correlation | Patent Class | |
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| Distance | Patent Class | |
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| Similarity | Patent Class | |
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| Dynamic time warping | Patent Class | |
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| Viterbi trellis | Patent Class | |
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| Creating patterns for matching | Patent Class | |
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| Update patterns | Patent Class | |
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| Clustering | Patent Class | |
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| Preliminary matching | Patent Class | |
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| Endpoint detection | Patent Class | |
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| Subportions | Patent Class | |
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| Specialized models | Patent Class | |
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| Word recognition | Patent Class | |
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| Preliminary matching | Patent Class | |
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| Endpoint detection | Patent Class | |
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| Subportions | Patent Class | |
| |
| Specialized models | Patent Class | |
| |
| Markov | Patent Class | |
| |
| Hidden Markov Model (HMM) (EPO) | Patent Class | |
| |
| Training of HMM (EPO) | Patent Class | |
| |
| With insufficient amount of training data, e.g., state sharing, tying, deleted interpolation (EPO) | Patent Class | |
| |
| Duration modeling in HMM, e.g., semi HMM, segmental models, transition probabilities (EPO) | Patent Class | |
| |
| Hidden Markov (HM) network (EPO) | Patent Class | |
| |
| State emission probability (EPO) | Patent Class | |
| |
| Continuous density, e.g, Gaussian distribution, Lapalce (EPO) | Patent Class | |
| |
| Discrete density, e.g., Vector Quantization preprocessor, look up tables (EPO) | Patent Class | |
| |
| Synthesis | Patent Class | |
| |
| Neural network | Patent Class | |
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| Image to speech | Patent Class | |
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| Vocal tract model | Patent Class | |
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| Linear prediction | Patent Class | |
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| Correlation | Patent Class | |
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| Excitation | Patent Class | |
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| Interpolation | Patent Class | |
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| Specialized model | Patent Class | |
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| Time element | Patent Class | |
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| Frequency element | Patent Class | |
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| Transformation | Patent Class | |
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| Application | Patent Class | |
| |
| Speech assisted network | Patent Class | |
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| Handicap aid | Patent Class | |
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| Novelty item | Patent Class | |
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| Security system | Patent Class | |
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| Warning/alarm system | Patent Class | |
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| Speech controlled system | Patent Class | |
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| Pattern display | Patent Class | |
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| Translation | Patent Class | |
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| Sound editing | Patent Class | |
| |
| AUDIO SIGNAL BANDWIDTH COMPRESSION OR EXPANSION | Patent Class | |
| |
| With content reduction encoding | Patent Class | |
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| Delay line | Patent Class | |
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| AUDIO SIGNAL TIME COMPRESSION OR EXPANSION (E.G., RUN LENGTH CODING) | Patent Class | |
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| With content reduction encoding | Patent Class | |
| |
| SPEAKER IDENTIFICATION OR VERIFICATION (EPO) | Patent Class | |
| |
| Recognition of special voice characteristics, e.g., for use in a lie detector; recognition of animal voices, etc. (EPO) | Patent Class | |
| |
| Systems using speaker recognizers (EPO) | Patent Class | |
| |
| Details (EPO) | Patent Class | |
| |
| Preprocessing operations, e.g., segment selection, etc., pattern representation or modeling, e.g., based on linear discriminant analysis (LDA), principal components, etc.; feature selection or extraction (EPO) | Patent Class | |
| |
| Training, model building, enrollment (EPO) | Patent Class | |
| |
| Decision making techniques, pattern matching strategies (EPO) | Patent Class | |
| |
| Use of particular distance or distortion metric between probe pattern and reference templates (EPO) | Patent Class | |
| |
| Multimodal systems, i.e., based on the integration of multiple recognition engines or experts fusion (EPO) | Patent Class | |
| |
| Score normalization (EPO) | Patent Class | |
| |
| Use of phonemic categorization or speech recognition prior to speaker recognition or verification (EPO) | Patent Class | |
| |
| Hidden Markov Models (HMMs) (EPO) | Patent Class | |
| |
| Artificial neural networks, connectionist approaches (EPO) | Patent Class | |
| |
| Pattern transformations and operations aimed at increasing system robustness, e.g., against channel noise, different working conditions, etc. (EPO) | Patent Class | |
| |
| Interactive procedures, man-machine interface (EPO) | Patent Class | |
| |
| User prompted to utter a password or predefined text (EPO) | Patent Class | |
| |
| Assessment or evaluation of speech recognition systems (EPO) | Patent Class | |
| |
| Language recognition (EPO) | Patent Class | |
| |
| Segmentation or word limit detection (EPO) | Patent Class | |
| |
| Word boundary detection (EPO) | Patent Class | |
| |
| Creation of reference templates; training of speech recognition systems, e.g., adaption to the characteristics of the speaker's voice, etc. (EPO) | Patent Class | |
| |
| Training (EPO) | Patent Class | |
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| Adaptation (EPO) | Patent Class | |
| |
| In the frequency domain (EPO) | Patent Class | |
| |
| To speaker (EPO) | Patent Class | |
| |
| Supervised, i.e., under machine guidance (EPO) | Patent Class | |
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| Unsupervised (EPO) | Patent Class | |
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| Speech classification or search (EPO) | Patent Class | |
| |
| Using distance or distortion measures between unknown speech and reference templates (EPO) | Patent Class | |
| |
| Using dynamic programming techniques, e.g., Dynamic Time Warping (DTW), etc. (EPO) | Patent Class | |
| |
| Using artificial neural networks (EPO) | Patent Class | |
| |
| Using natural language modeling (EPO) | Patent Class | |
| |
| Using context dependencies, e.g., language models, etc. (EPO) | Patent Class | |
| |
| Phonemic context, e.g., pronunciation rules, phonotactical constraints, phoneme n-grams, etc. (EPO) | Patent Class | |
| |
| Grammatical context, e.g., disambiguation of the recognition hypotheses based on word sequence rules, etc. (EPO) | Patent Class | |
| |
| Formal grammars, e.g., finite state automata, context free grammars, word networks, etc. (EPO) | Patent Class | |
| |
| Probabilistic grammars, e.g., word n-grams, etc. (EPO) | Patent Class | |
| |
| Semantic context, e.g., disambiguation of the recognition hypotheses based on word meaning, etc. (EPO) | Patent Class | |
| |
| Using prosody or stress (EPO) | Patent Class | |
| |
| Parsing for meaning understanding (EPO) | Patent Class | |
| |
| Using statistical models, e.g., Hidden Markov Models (HMMs), etc. (EPO) | Patent Class | |
| |
| Hidden Markov Models (HMMs) (EPO) | Patent Class | |
| |
| Training of Hidden Markov Models (HMMs) (EPO) | Patent Class | |
| |
| With insufficient amount of training data, e.g., state sharing, tying, deleted interpolation, etc. (EPO) | Patent Class | |
| |
| Duration modeling in Hidden Markov Models (HMMs), e.g., semi-HMM, segmental models, transition probabilities, etc. (EPO) | Patent Class | |
| |
| Hidden Markov Models (HMMs) network (EPO) | Patent Class | |
| |
| State emission probabilities (EPO) | Patent Class | |
| |
| Continuous densities, e.g., Gaussian distribution, Laplace, etc. (EPO) | Patent Class | |
| |
| Discrete densities, e.g., Vector Quantization preprocessor, look-up tables, etc. (EPO) | Patent Class | |
| |
| Neural Network (NN) as output probability estimator, e.g., hybrid HMM/NN, etc. (EPO) | Patent Class | |
| |
| Non-hidden Markov Model (EPO) | Patent Class | |
| |
| Recognition networks (EPO) | Patent Class | |
| |
| Speech recognition techniques for robustness in adverse environments, e.g., in noise, of stress induced speech, etc. (EPO) | Patent Class | |
| |
| Procedures used during a speech recognition process, e.g., man-machine dialogue, etc. (EPO) | Patent Class | |
| |
| Speech recognition using nonacoustical features, e.g., position of the lips, etc. (EPO) | Patent Class | |
| |
| Using position of the lips, movement of the lips, or face analysis (EPO) | Patent Class | |
| |
| Speech to text systems (EPO) | Patent Class | |
| |
| Speech recognition depending on application context, e.g., in a computer, etc. (EPO) | Patent Class | |
| |
| Systems using speech recognizers (EPO) | Patent Class | |
| |
| Constructional details of speech recognition systems (EPO) | Patent Class | |
| |
| Distributed recognition, e.g., in client-server systems for mobile phones or network applications, etc. (EPO) | Patent Class | |
| |
| Memory allocation or algorithm optimization to reduce hardware requirements (EPO) | Patent Class | |
| |
| Multiple recognizers used in sequence or in parallel; corresponding voting or score combination systems (EPO) | Patent Class | |
| |
| Recognizers for parallel processing (EPO) | Patent Class | |
| |
| Perceptual measures for quality assessment (EPO) | Patent Class | |
| |
| Correction of errors induced by the transmission channel, if related to the coding (EPO) | Patent Class | |
| |
| Lossless audio signal coding; perfect reconstruction of coded audio signal by transmission of coding error (EPO) | Patent Class | |
| |
| Multichannel audio signal coding and decoding, i.e., using interchannel correlation to reduce redundancies, e.g., joint-stereo, intensity-coding, matrixing, etc. (EPO) | Patent Class | |
| |
| SPEECH OR AUDIO SIGNAL ANALYSIS-SYNTHESIS TECHNIQUES FOR REDUNDANCY REDUCTION, E.G., IN VOCODERS, ETC.; CODING OR DECODING OF SPEECH OR AUDIO SIGNALS; COMPRESSION OR EXPANSION OF SPEECH OR AUDIO SIGNALS, E.G., SOURCE-FILTER MODELS, PSYCHOACOUSTIC ANALYSIS, ETC. (EPO) | Patent Class | |
| |
| Comfort noise, silence coding (EPO) | Patent Class | |
| |
| Speech coding using phonetic or linguistical decoding of the source; reconstruction using text-to-speech synthesis (EPO) | Patent Class | |
| |
| Systems using vocoders (EPO) | Patent Class | |
| |
| Audio watermarking, i.e., embedding inaudible data in the audio signal (EPO) | Patent Class | |
| |
| Using spectral analysis, e.g., transform vocoders, subband vocoders, perceptual audio coders, psychoacoustically based lossy encoding, etc., e.g., MPEG audio, Dolby AC-3, etc. (EPO) | Patent Class | |
| |
| Blocking, i.e., grouping of samples in time, choice of analysis window, overlap factor (EPO) | Patent Class | |
| |
| Detection of transients and attacks for time/frequency resolution switching (EPO) | Patent Class | |
| |
| Noise substitution, i.e., substituting nontonal spectral components by noisy source (EPO) | Patent Class | |
| |
| Spectral prediction for pre-echo prevention; temporal noise shaping (TNS), e.g., in MPEG2 or MPEG4, etc. (EPO) | Patent Class | |
| |
| Quantization or dequantization of spectral components (EPO) | Patent Class | |
| |
| Scalar quantization (EPO) | Patent Class | |
| |
| Vector quantization, e.g., Twin-VQ audio, etc. (EPO) | Patent Class | |
| |
| Using subband decomposition (EPO) | Patent Class | |
| |
| Subband vocoders (EPO) | Patent Class | |
| |
| Using orthogonal transformation (EPO) | Patent Class | |
| |
| Dynamic bit allocation (EPO) | Patent Class | |
| |
| Using predictive techniques; codecs based on source-filter modelization (EPO) | Patent Class | |
| |
| Determination or coding of the spectral characteristics, e.g., of the short-term prediction coefficients, etc. (EPO) | Patent Class | |
| |
| Line spectrum pair (LSP) vocoders (EPO) | Patent Class | |
| |
| Determination or coding of the excitation function; determination or coding of the long-term prediction characteristics (EPO) | Patent Class | |
| |
| Determination or coding of an excitation gain (EPO) | Patent Class | |
| |
| Using mixed excitation model, e.g., MELP, MBE, Split band LPC, HVXC, etc. (EPO) | Patent Class | |
| |
| Long-term prediction, i.e., removing periodical redundancies, e.g., adaptive codebook, pitch predictor, etc. (EPO) | Patent Class | |
| |
| Using sinusoidal excitation model (EPO) | Patent Class | |
| |
| Using prototype waveform decomposition or waveform interpolative coders (PWI) (EPO) | Patent Class | |
| |
| Determination or coding of a multipulse excitation (EPO) | Patent Class | |
| |
| Algebraic codebook; sparse pulse excitation (EPO) | Patent Class | |
| |
| Regular pulse excitation (EPO) | Patent Class | |
| |
| Determination or coding of a code excitation; code excited linear prediction (CELP) vocoders (EPO) | Patent Class | |
| |
| Pitch excitation, e.g., PSI-CELP (pitch synchronous innovation CELP), etc. (EPO) | Patent Class | |
| |
| Residual excited linear prediction (RELP) (EPO) | Patent Class | |
| |
| Vector sum excited linear prediction (VSELP) (EPO) | Patent Class | |
| |
| Details of speech and audio coders (EPO) | Patent Class | |
| |
| Vocoder architecture (EPO) | Patent Class | |
| |
| Using sound class specific coding, hybrid encoders, object-based coding (EPO) | Patent Class | |
| |
| Vocoders using multiple modes (EPO) | Patent Class | |
| |
| Mode decision, i.e., based on audio signal content versus external parameter (EPO) | Patent Class | |
| |
| Variable rate or variable quality codecs, e.g., scalable representation encoding, etc. (EPO) | Patent Class | |
| |
| Pre- or post-filtering (EPO) | Patent Class | |
| |
| Pre-filtering, e.g., high frequency emphasis prior to encoding, etc. (EPO) | Patent Class | |
| |
| Post-filtering, e.g., pitch enhancement, formant emphasis for decoder, etc. (EPO) | Patent Class | |
| |
| Audio streaming, i.e., formatting and decoding of an encoded audio signal (EPO) | Patent Class | |
| |
| Transcoding, i.e., converting between two coded representations avoiding cascaded coding-decoding (EPO) | Patent Class | |
| |
| MODIFICATION OF AT LEAST ONE CHARACTERISTIC OF SPEECH WAVES (EPO) | Patent Class | |
| |
| Speech enhancement, e.g., noise reduction, echo cancellation, etc. (EPO) | Patent Class | |
| |
| Applications (EPO) | Patent Class | |
| |
| Speech corrupted by noise (EPO) | Patent Class | |
| |
| Periodic noise (EPO) | Patent Class | |
| |
| The noise being separate speech (EPO) | Patent Class | |
| |
| Speech corrupted by echo-reverberation (EPO) | Patent Class | |
| |
| Speech corrupted by stress-Lombard effect (EPO) | Patent Class | |
| |
| Enhancement of intelligibility of clean or coded speech (EPO) | Patent Class | |
| |
| Enhancement of diverse speech (EPO) | Patent Class | |
| |
| Bandwidth extension taking place at the receiving side, e.g., generation of low- or high-frequency components, regeneration of spectral holes, etc. (EPO) | Patent Class | |
| |
| Separate reconstruction of interference and of speech signal (EPO) | Patent Class | |
| |
| The interference being a separate speaker (EPO) | Patent Class | |
| |
| Active noise canceling (EPO) | Patent Class | |
| |
| Public address system (EPO) | Patent Class | |
| |
| Suppression or repetition of time signal segments (EPO) | Patent Class | |
| |
| Time compression or expansion (EPO) | Patent Class | |
| |
| Suppression or repetition of time signal segments (EPO) | Patent Class | |
| |
| Transformation of speech into a nonaudible representation, e.g., speech visualization, speech processing for tactile aids, etc. (EPO) | Patent Class | |
| |
| Synchronization of speech with image or synthesis of the lips movement from speech, e.g., for "talking heads," etc.(EPO) | Patent Class | |
| |
| MISCELLANEOUS ANALYSIS OR DETECTION OF SPEECH CHARACTERISTICS (EPO) | Patent Class | |
| |
| General speech analysis without concrete application (EPO) | Patent Class | |
| |
| Detection of presence or absence of speech signals (EPO) | Patent Class | |
| |
| Voice/data decision (EPO) | Patent Class | |
| |
| End point detection (EPO) | Patent Class | |
| |
| Pitch determination of speech signals (EPO) | Patent Class | |
| |
| SPEECH SYNTHESIS; TEXT TO SPEECH SYSTEMS (EPO) | Patent Class | |
| |
| Voiced-unvoiced decision (EPO) | Patent Class | |
| |
| Methods for producing synthetic speech; speech synthesizers (EPO) | Patent Class | |
| |
| Concept-to-speech synthesizers; generation of natural phrases not from text but from machine-based concepts (EPO) | Patent Class | |
| |
| Sound editing, manipulating voice of the synthesizer (EPO) | Patent Class | |
| |
| Details of speech synthesis systems, e.g., synthesizer architecture, memory management, etc. (EPO) | Patent Class | |
| |
| Architecture of speech synthesizers (EPO) | Patent Class | |
| |
| Excitation (EPO) | Patent Class | |
| |
| Systems using speech synthesizers (EPO) | Patent Class | |
| |
| Elementary speech units used in speech synthesizers; concatenation rules (EPO) | Patent Class | |
| |
| Concatenation (EPO) | Patent Class | |
| |
| Text analysis, generation of parameters for speech synthesis out of text, e.g., grapheme to phoneme translation, prosody generation, stress, or intonation determination, etc. (EPO) | Patent Class | |
| |
| Grapheme to phoneme, detection of language (EPO) | Patent Class | |
| |
| Prosody rules derived from text (EPO) | Patent Class | |
| |
| Stress or intonation (EPO) | Patent Class | |
| |
| CLASS-RELATED FOREIGN DOCUMENTS | Patent Class | |
| |
| Detecting and communicating biometrics of recorded voice during transcription process | Prior Art | |
| |
| Detecting and communicating biometrics of recorded voice during transcription process | Comment | |
| |
| Detecting and communicating biometrics of recorded voice during transcription process | Expiration Reminder | |
| |
| Real-time transcription of conference calls | Prior Art | |
| |
| Real-time transcription of conference calls | Comment | |
| |
| Real-time transcription of conference calls | Expiration Reminder | |
| |
