FI20031069A - Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä - Google Patents

Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä Download PDF

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Publication number
FI20031069A
FI20031069A FI20031069A FI20031069A FI20031069A FI 20031069 A FI20031069 A FI 20031069A FI 20031069 A FI20031069 A FI 20031069A FI 20031069 A FI20031069 A FI 20031069A FI 20031069 A FI20031069 A FI 20031069A
Authority
FI
Finland
Prior art keywords
higher frequency
band splitting
coding
splitting based
utilizing band
Prior art date
Application number
FI20031069A
Other languages
English (en)
Swedish (sv)
Other versions
FI118550B (fi
FI20031069A0 (fi
Inventor
Pasi Ojala
Janne Vainio
Hannu Mikkola
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI20031069A priority Critical patent/FI118550B/fi
Publication of FI20031069A0 publication Critical patent/FI20031069A0/fi
Priority to EP04396043A priority patent/EP1498873B1/en
Priority to DE602004005784T priority patent/DE602004005784T2/de
Priority to EP07105690A priority patent/EP1806738A1/en
Priority to US10/891,846 priority patent/US7376554B2/en
Publication of FI20031069A publication Critical patent/FI20031069A/fi
Application granted granted Critical
Publication of FI118550B publication Critical patent/FI118550B/fi

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI20031069A 2003-07-14 2003-07-14 Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä FI118550B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20031069A FI118550B (fi) 2003-07-14 2003-07-14 Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä
EP04396043A EP1498873B1 (en) 2003-07-14 2004-07-02 Improved excitation for higher band coding in a codec utilizing frequency band split coding methods
DE602004005784T DE602004005784T2 (de) 2003-07-14 2004-07-02 Verbesserte Anregung für Höherband-Kodierung in einem Codec basierend auf Frequenzbandtrennungs-Kodierungsverfahren
EP07105690A EP1806738A1 (en) 2003-07-14 2004-07-02 Improved excitation for higher band coding in a codec utilizing band split coding methods
US10/891,846 US7376554B2 (en) 2003-07-14 2004-07-14 Excitation for higher band coding in a codec utilising band split coding methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20031069A FI118550B (fi) 2003-07-14 2003-07-14 Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä
FI20031069 2003-07-14

Publications (3)

Publication Number Publication Date
FI20031069A0 FI20031069A0 (fi) 2003-07-14
FI20031069A true FI20031069A (fi) 2005-01-15
FI118550B FI118550B (fi) 2007-12-14

Family

ID=27636101

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031069A FI118550B (fi) 2003-07-14 2003-07-14 Parannettu eksitaatio ylemmän kaistan koodaukselle koodekissa, joka käyttää kaistojen jakoon perustuvia koodausmenetelmiä

Country Status (4)

Country Link
US (1) US7376554B2 (fi)
EP (2) EP1806738A1 (fi)
DE (1) DE602004005784T2 (fi)
FI (1) FI118550B (fi)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100657916B1 (ko) * 2004-12-01 2006-12-14 삼성전자주식회사 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법
KR100707174B1 (ko) * 2004-12-31 2007-04-13 삼성전자주식회사 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법
EP1872364B1 (en) * 2005-03-30 2010-11-24 Nokia Corporation Source coding and/or decoding
CN101185127B (zh) * 2005-04-01 2014-04-23 高通股份有限公司 用于编码和解码语音信号的高频带部分的方法和设备
DE602006012637D1 (de) 2005-04-01 2010-04-15 Qualcomm Inc Vorrichtung und Verfahren für die Teilband-Sprachkodierung
TR201821299T4 (tr) 2005-04-22 2019-01-21 Qualcomm Inc Kazanç faktörü yumuşatma için sistemler, yöntemler ve aparat.
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
US8532984B2 (en) * 2006-07-31 2013-09-10 Qualcomm Incorporated Systems, methods, and apparatus for wideband encoding and decoding of active frames
JPWO2008053970A1 (ja) * 2006-11-02 2010-02-25 パナソニック株式会社 音声符号化装置、音声復号化装置、およびこれらの方法
US8639500B2 (en) * 2006-11-17 2014-01-28 Samsung Electronics Co., Ltd. Method, medium, and apparatus with bandwidth extension encoding and/or decoding
US8005671B2 (en) 2006-12-04 2011-08-23 Qualcomm Incorporated Systems and methods for dynamic normalization to reduce loss in precision for low-level signals
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
US20100250260A1 (en) * 2007-11-06 2010-09-30 Lasse Laaksonen Encoder
CN101896967A (zh) 2007-11-06 2010-11-24 诺基亚公司 编码器
WO2009084221A1 (ja) * 2007-12-27 2009-07-09 Panasonic Corporation 符号化装置、復号装置およびこれらの方法
AU2009256551B2 (en) * 2008-06-13 2015-08-13 Nokia Technologies Oy Method and apparatus for error concealment of encoded audio data
CN101751926B (zh) * 2008-12-10 2012-07-04 华为技术有限公司 信号编码、解码方法及装置、编解码系统
EP2491557B1 (en) 2009-10-21 2014-07-30 Dolby International AB Oversampling in a combined transposer filter bank
US8600737B2 (en) 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
US8868432B2 (en) * 2010-10-15 2014-10-21 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
KR20120046627A (ko) * 2010-11-02 2012-05-10 삼성전자주식회사 화자 적응 방법 및 장치
US9077604B2 (en) * 2011-01-20 2015-07-07 Stuart E. Goller High speed information transfer method and system
US9384746B2 (en) * 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
US7330814B2 (en) * 2000-05-22 2008-02-12 Texas Instruments Incorporated Wideband speech coding with modulated noise highband excitation system and method
ES2268112T3 (es) * 2001-11-14 2007-03-16 Matsushita Electric Industrial Co., Ltd. Codificacion y descodificacion de audio.

Also Published As

Publication number Publication date
FI118550B (fi) 2007-12-14
US20050065783A1 (en) 2005-03-24
DE602004005784T2 (de) 2007-08-16
EP1498873A1 (en) 2005-01-19
DE602004005784D1 (de) 2007-05-24
EP1498873B1 (en) 2007-04-11
EP1806738A1 (en) 2007-07-11
US7376554B2 (en) 2008-05-20
FI20031069A0 (fi) 2003-07-14

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