PL2535894T3 - Sposoby i układy w sieci telekomunikacyjnej - Google Patents

Sposoby i układy w sieci telekomunikacyjnej

Info

Publication number
PL2535894T3
PL2535894T3 PL12183033T PL12183033T PL2535894T3 PL 2535894 T3 PL2535894 T3 PL 2535894T3 PL 12183033 T PL12183033 T PL 12183033T PL 12183033 T PL12183033 T PL 12183033T PL 2535894 T3 PL2535894 T3 PL 2535894T3
Authority
PL
Poland
Prior art keywords
arrangements
methods
telecommunications network
telecommunications
network
Prior art date
Application number
PL12183033T
Other languages
English (en)
Inventor
Volodya Grancharov
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PL2535894T3 publication Critical patent/PL2535894T3/pl

Links

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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • 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
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • G10L21/007—Changing voice quality, e.g. pitch or formants characterised by the process used
    • G10L21/013—Adapting to target pitch
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephonic Communication Services (AREA)
  • Filters That Use Time-Delay Elements (AREA)
PL12183033T 2007-03-02 2007-11-01 Sposoby i układy w sieci telekomunikacyjnej PL2535894T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89267007P 2007-03-02 2007-03-02
EP12183033.5A EP2535894B1 (en) 2007-03-02 2007-11-01 Methods and arrangements in a telecommunications network
EP07822142A EP2115742B1 (en) 2007-03-02 2007-11-01 Methods and arrangements in a telecommunications network

Publications (1)

Publication Number Publication Date
PL2535894T3 true PL2535894T3 (pl) 2015-06-30

Family

ID=39027449

Family Applications (1)

Application Number Title Priority Date Filing Date
PL12183033T PL2535894T3 (pl) 2007-03-02 2007-11-01 Sposoby i układy w sieci telekomunikacyjnej

Country Status (9)

Country Link
US (3) US20100145692A1 (pl)
EP (2) EP2115742B1 (pl)
JP (1) JP5291004B2 (pl)
CN (1) CN101622668B (pl)
DK (1) DK2535894T3 (pl)
ES (2) ES2394515T3 (pl)
MX (1) MX2009008055A (pl)
PL (1) PL2535894T3 (pl)
WO (1) WO2008107027A1 (pl)

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EP3422346B1 (en) 2010-07-02 2020-04-22 Dolby International AB Audio encoding with decision about the application of postfiltering when decoding
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US9978392B2 (en) * 2016-09-09 2018-05-22 Tata Consultancy Services Limited Noisy signal identification from non-stationary audio signals
US20230154479A1 (en) 2020-04-24 2023-05-18 Telefonaktiebolaget Lm Ericsson (Publ) Low cost adaptation of bass post-filter
CN115188388B (zh) * 2022-07-11 2024-05-17 北京百瑞互联技术股份有限公司 一种音频后置滤波方法、装置、存储介质及设备

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Also Published As

Publication number Publication date
DK2535894T3 (en) 2015-04-13
CN101622668A (zh) 2010-01-06
ES2533626T3 (es) 2015-04-13
MX2009008055A (es) 2009-08-18
US20140249808A1 (en) 2014-09-04
EP2535894A1 (en) 2012-12-19
EP2535894B1 (en) 2015-01-07
ES2394515T3 (es) 2013-02-01
EP2115742B1 (en) 2012-09-12
JP2010520503A (ja) 2010-06-10
US8731917B2 (en) 2014-05-20
EP2115742A1 (en) 2009-11-11
US20130132075A1 (en) 2013-05-23
US9076453B2 (en) 2015-07-07
US20100145692A1 (en) 2010-06-10
JP5291004B2 (ja) 2013-09-18
WO2008107027A1 (en) 2008-09-12
CN101622668B (zh) 2012-05-30

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