CN100496077C - 一种移动通信终端的白色噪音减少装置及方法 - Google Patents

一种移动通信终端的白色噪音减少装置及方法 Download PDF

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Publication number
CN100496077C
CN100496077C CNB2004100839732A CN200410083973A CN100496077C CN 100496077 C CN100496077 C CN 100496077C CN B2004100839732 A CNB2004100839732 A CN B2004100839732A CN 200410083973 A CN200410083973 A CN 200410083973A CN 100496077 C CN100496077 C CN 100496077C
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CN
China
Prior art keywords
white noise
communication terminal
mobile communication
pulse code
standard value
Prior art date
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Expired - Fee Related
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CNB2004100839732A
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English (en)
Chinese (zh)
Other versions
CN1668057A (zh
Inventor
李泽柱
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LG Electronics China Research and Development Center Co Ltd
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LG Electronics China Research and Development Center Co Ltd
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Publication of CN1668057A publication Critical patent/CN1668057A/zh
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    • 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
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Analogue/Digital Conversion (AREA)
  • Noise Elimination (AREA)
  • Transceivers (AREA)
CNB2004100839732A 2004-03-10 2004-10-13 一种移动通信终端的白色噪音减少装置及方法 Expired - Fee Related CN100496077C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040016225 2004-03-10
KR10-2004-0016225 2004-03-10
KR1020040016225A KR100664117B1 (ko) 2004-03-10 2004-03-10 이동통신단말기의 백색잡음 감소장치 및 방법

Publications (2)

Publication Number Publication Date
CN1668057A CN1668057A (zh) 2005-09-14
CN100496077C true CN100496077C (zh) 2009-06-03

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Family Applications (1)

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CNB2004100839732A Expired - Fee Related CN100496077C (zh) 2004-03-10 2004-10-13 一种移动通信终端的白色噪音减少装置及方法

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KR (1) KR100664117B1 (ko)
CN (1) CN100496077C (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101937682B (zh) * 2010-09-16 2012-11-21 华为终端有限公司 一种处理接听语音的方法和装置
CN110989966B (zh) * 2019-11-29 2023-02-17 上海庆科信息技术有限公司 音频数据的处理方法、装置及电子装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000030042A (ko) * 1999-04-01 2000-06-05 이상훈 휴대폰 단말기용 음성 저장 장치

Also Published As

Publication number Publication date
KR20050091132A (ko) 2005-09-15
KR100664117B1 (ko) 2007-01-04
CN1668057A (zh) 2005-09-14

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090603

Termination date: 20121013