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UA92341C2 - Системы, способы и устройство широкополосного речевого кодирования - Google Patents

Системы, способы и устройство широкополосного речевого кодирования

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Publication number
UA92341C2
UA92341C2 UAA200712011A UAA200712011A UA92341C2 UA 92341 C2 UA92341 C2 UA 92341C2 UA A200712011 A UAA200712011 A UA A200712011A UA A200712011 A UAA200712011 A UA A200712011A UA 92341 C2 UA92341 C2 UA 92341C2
Authority
UA
Ukraine
Prior art keywords
highband
encoder
wideband speech
signal
narrowband
Prior art date
Application number
UAA200712011A
Other languages
English (en)
Ukrainian (uk)
Inventor
Кон Бернард ВОС
Анантхападманабхан А. КАНДХАДАЙ
Original Assignee
Квелкомм Инкорпорейтед
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Квелкомм Инкорпорейтед filed Critical Квелкомм Инкорпорейтед
Publication of UA92341C2 publication Critical patent/UA92341C2/ru

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Transmitters (AREA)

Abstract

Широкополосный речевой кодер, согласно с одним вариантом осуществления, включает в себя узкополосный кодер и кодер полосы верхних частот. Узкополосный кодер кодирует узкополосную часть широкополосного речевого сигнала как набор параметров фильтра и соответственный кодированный сигнал возбуждения. Кодер полосы верхних частот кодирует, согласно с сигналом возбуждения полосы верхних частот, часть полосы верхних частот широкополосного речевого сигнала для получения набора параметров фильтра Кодер полосы верхних частот генерирует сигнал возбуждения полосы верхних частот путем применения нелинейной функции к сигналу, основанного на кодированном узкополосном сигнале возбуждения, для генерации спектрально расширенного сигнала.
UAA200712011A 2005-04-01 2006-04-03 Системы, способы и устройство широкополосного речевого кодирования UA92341C2 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66790105P 2005-04-01 2005-04-01

Publications (1)

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UA92341C2 true UA92341C2 (ru) 2010-10-25

Family

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Family Applications (6)

Application Number Title Priority Date Filing Date
UAA200712011A UA92341C2 (ru) 2005-04-01 2006-04-03 Системы, способы и устройство широкополосного речевого кодирования
UAA200712008A UA91853C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для векторного квантования спектрального представления огибающей
UAA200712057A UA95776C2 (ru) 2005-04-01 2006-04-03 Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
UAA200712012A UA92742C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для кодирования речевых сигналов с расщеплением полосы
UAA200712061A UA93677C2 (ru) 2005-04-01 2006-04-03 Способы и устройства кодирования и декодирования части речевого сигнала диапазона высоких частот
UAA200712062A UA94041C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для фильтрации, устраняющей разреженность

Family Applications After (5)

Application Number Title Priority Date Filing Date
UAA200712008A UA91853C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для векторного квантования спектрального представления огибающей
UAA200712057A UA95776C2 (ru) 2005-04-01 2006-04-03 Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
UAA200712012A UA92742C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для кодирования речевых сигналов с расщеплением полосы
UAA200712061A UA93677C2 (ru) 2005-04-01 2006-04-03 Способы и устройства кодирования и декодирования части речевого сигнала диапазона высоких частот
UAA200712062A UA94041C2 (ru) 2005-04-01 2006-04-03 Способ и устройство для фильтрации, устраняющей разреженность

Country Status (3)

Country Link
CN (8) CN101180677B (ru)
ES (3) ES2351935T3 (ru)
UA (6) UA92341C2 (ru)

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Also Published As

Publication number Publication date
CN101185125B (zh) 2012-01-11
UA91853C2 (ru) 2010-09-10
CN101184979B (zh) 2012-04-25
CN101180677B (zh) 2011-02-09
CN101185120A (zh) 2008-05-21
CN101184979A (zh) 2008-05-21
ES2350494T3 (es) 2011-01-24
CN101180676B (zh) 2011-12-14
CN101185126A (zh) 2008-05-21
CN101185127B (zh) 2014-04-23
CN101185120B (zh) 2012-05-30
CN101180676A (zh) 2008-05-14
CN101185125A (zh) 2008-05-21
UA95776C2 (ru) 2011-09-12
CN101185127A (zh) 2008-05-21
CN101180677A (zh) 2008-05-14
CN101185126B (zh) 2014-08-06
CN101185124B (zh) 2012-01-11
ES2358125T3 (es) 2011-05-05
CN101185124A (zh) 2008-05-21
UA92742C2 (ru) 2010-12-10
UA94041C2 (ru) 2011-04-11
ES2351935T3 (es) 2011-02-14
UA93677C2 (ru) 2011-03-10

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