Inventor · Norwich, GB

Andrew Paul Breen

35Patents
10h-index
41Co-inventors
75Inventor score

Filing activity: Aug 26, 1996 → May 15, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6330538A Phonetic unit duration adjustment for text-to-speech system Physics 183 Expired
US8321222B2 Synthesis by generation and concatenation of multi-form segments Physics 35 Active
US6691083B1 Wideband speech synthesis from a narrowband speech signal Physics 26 Expired
US6208356A Image synthesis Physics 23 Expired
US9262935B2 Systems and methods for extracting keywords in language learning Physics 19 Active
US10325517B2 Systems and methods for extracting keywords in language learning Physics 16 Active
US5978764A Speech synthesis Physics 14 Expired
US10741169B1 Text-to-speech (TTS) processing Physics 14 Active
US11545134B1 Multilingual speech translation with adaptive speech synthesis and adaptive physiognomy Physics 12 Active
US5970454A Synthesizing speech by converting phonemes to digital waveforms Physics 10 Expired
US5987412A Synthesising speech by converting phonemes to digital waveforms Physics 10 Expired
US9666098B2 Language learning systems and methods Physics 10 Active
US10706837B1 Text-to-speech (TTS) processing Physics 8 Active
US6502074B1 Synthesising speech by converting phonemes to digital waveforms Physics 7 Expired
US9798653B1 Methods, apparatus and data structure for cross-language speech adaptation Physics 7 Active
US9711064B2 Systems and methods for calculating text difficulty Physics 7 Active
US10692484B1 Text-to-speech (TTS) processing Physics 7 Active
US9875669B2 Systems and methods for generating distractors in language learning Physics 6 Active
US9286886B2 Methods and apparatus for predicting prosody in speech synthesis Physics 6 Active
US11017763B1 Synthetic speech processing Physics 5 Active
US9852655B2 Systems and methods for extracting keywords in language learning Physics 4 Active
US10410539B2 Systems and methods for calculating text difficulty Physics 4 Active
US11367431B2 Synthetic speech processing Physics 3 Active
US5852802A Speed engine for analyzing symbolic text and producing the speech equivalent thereof Physics 3 Expired
US11410639B2 Text-to-speech (TTS) processing Physics 3 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.