MX363675B - Extensión mejorada de banda de frecuencia en un decodificador de señales de audiofrecuencias. - Google Patents

Extensión mejorada de banda de frecuencia en un decodificador de señales de audiofrecuencias.

Info

Publication number
MX363675B
MX363675B MX2016010214A MX2016010214A MX363675B MX 363675 B MX363675 B MX 363675B MX 2016010214 A MX2016010214 A MX 2016010214A MX 2016010214 A MX2016010214 A MX 2016010214A MX 363675 B MX363675 B MX 363675B
Authority
MX
Mexico
Prior art keywords
signal
frequency band
band
audio signal
low
Prior art date
Application number
MX2016010214A
Other languages
English (en)
Other versions
MX2016010214A (es
Inventor
Ragot Stéphane
Kaniewska Magdalena
Original Assignee
Koninklijke Philips Nv
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
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Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of MX2016010214A publication Critical patent/MX2016010214A/es
Publication of MX363675B publication Critical patent/MX363675B/es

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K3/00—Apparatus for stamping articles having integral means for supporting the articles to be stamped
    • B41K3/54—Inking devices
    • B41K3/56—Inking devices using inking pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/02—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with one or more flat stamping surfaces having fixed images
    • B41K1/04—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with one or more flat stamping surfaces having fixed images with multiple stamping surfaces; with stamping surfaces replaceable as a whole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/08—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters
    • B41K1/10—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters having movable type-carrying bands or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/08—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters
    • B41K1/12—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with a flat stamping surface and changeable characters having adjustable type-carrying wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/36—Details
    • B41K1/38—Inking devices; Stamping surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/36—Details
    • B41K1/38—Inking devices; Stamping surfaces
    • B41K1/40—Inking devices operated by stamping movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
    • B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
    • B41K1/36—Details
    • B41K1/38—Inking devices; Stamping surfaces
    • B41K1/40—Inking devices operated by stamping movement
    • B41K1/42—Inking devices operated by stamping movement with pads or rollers movable for inking
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

La invención se refiere a un método de extensión de la banda de frecuencias de una señal de audiofrecuencias durante un proceso de decodificación o de mejora que comprende una etapa de obtención de la señal decodificada, en una primera banda de frecuencias denominada como una banda baja. El método es tal que comprende las etapas de: - extracción (E402) de componentes tonales y de una señal de ambiente a partir de una señal procedente de la señal de banda baja; - combinación (E403) de las componentes tonales y de la señal de ambiente mediante una mezcla adaptativa que utiliza factores de control de nivel de energía para obtener una señal de audio, referida como una señal combinada; - extensión (E401a) de la señal decodificada de banda baja antes de la etapa de extracción o de la señal combinada después de la etapa de combinación a través de al menos una segunda banda de frecuencia que es más alta que la primera banda de frecuencia. La invención se refiere también a un dispositivo de extensión de banda de frecuencia que pone en práctica el método descrito y un decodificador que comprende un dispositivo de este tipo.
MX2016010214A 2014-02-07 2015-02-04 Extensión mejorada de banda de frecuencia en un decodificador de señales de audiofrecuencias. MX363675B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1450969A FR3017484A1 (fr) 2014-02-07 2014-02-07 Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
PCT/FR2015/050257 WO2015118260A1 (fr) 2014-02-07 2015-02-04 Extension ameliorée de bande de fréquence dans un décodeur de signaux audiofréquences

Publications (2)

Publication Number Publication Date
MX2016010214A MX2016010214A (es) 2016-11-15
MX363675B true MX363675B (es) 2019-03-29

Family

ID=51014390

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016010214A MX363675B (es) 2014-02-07 2015-02-04 Extensión mejorada de banda de frecuencia en un decodificador de señales de audiofrecuencias.

Country Status (21)

Country Link
US (5) US10043525B2 (es)
EP (4) EP3327722B1 (es)
JP (4) JP6625544B2 (es)
KR (5) KR102380205B1 (es)
CN (4) CN108109632B (es)
BR (2) BR122017027991B1 (es)
DK (2) DK3103116T3 (es)
ES (2) ES2878401T3 (es)
FI (1) FI3330966T3 (es)
FR (1) FR3017484A1 (es)
HR (2) HRP20231164T1 (es)
HU (2) HUE062979T2 (es)
LT (2) LT3103116T (es)
MX (1) MX363675B (es)
PL (2) PL3330966T3 (es)
PT (2) PT3330966T (es)
RS (2) RS64614B1 (es)
RU (4) RU2763547C2 (es)
SI (2) SI3103116T1 (es)
WO (1) WO2015118260A1 (es)
ZA (3) ZA201606173B (es)

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Publication number Publication date
LT3330966T (lt) 2023-09-25
PL3330966T3 (pl) 2023-12-18
JP2019168708A (ja) 2019-10-03
SI3330966T1 (sl) 2023-12-29
EP3330966A1 (fr) 2018-06-06
US20200353765A1 (en) 2020-11-12
LT3103116T (lt) 2021-07-26
HUE055111T2 (hu) 2021-10-28
JP2019168709A (ja) 2019-10-03
KR102426029B1 (ko) 2022-07-29
PT3330966T (pt) 2023-10-04
US11312164B2 (en) 2022-04-26
EP3103116B1 (fr) 2021-05-05
US20180304659A1 (en) 2018-10-25
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WO2015118260A1 (fr) 2015-08-13
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RU2763848C2 (ru) 2022-01-11
CN107993667A (zh) 2018-05-04
KR20180002910A (ko) 2018-01-08
KR20180002906A (ko) 2018-01-08
RU2017144523A3 (es) 2021-04-01
RU2682923C2 (ru) 2019-03-22
RS64614B1 (sr) 2023-10-31
JP6775064B2 (ja) 2020-10-28
RU2016136008A3 (es) 2018-09-13
EP3330966B1 (fr) 2023-07-26
RU2763547C2 (ru) 2021-12-30
ES2955964T3 (es) 2023-12-11
RU2017144522A3 (es) 2021-04-01
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US20200338917A1 (en) 2020-10-29
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CN107993667B (zh) 2021-12-07
JP6625544B2 (ja) 2019-12-25
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ZA201708366B (en) 2019-05-29
BR112016017616B1 (pt) 2023-03-28
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KR102380205B1 (ko) 2022-03-29
US10730329B2 (en) 2020-08-04
US20170169831A1 (en) 2017-06-15
FR3017484A1 (fr) 2015-08-14
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JP6775063B2 (ja) 2020-10-28
BR122017027991B1 (pt) 2024-03-12
BR112016017616A2 (pt) 2017-08-08
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HRP20211187T1 (hr) 2021-10-29
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ZA201708368B (en) 2018-11-28
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JP2017509915A (ja) 2017-04-06
MX2016010214A (es) 2016-11-15
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RU2763481C2 (ru) 2021-12-29
US10668760B2 (en) 2020-06-02
CN105960675A (zh) 2016-09-21
ES2878401T3 (es) 2021-11-18
RS62160B1 (sr) 2021-08-31
HRP20231164T1 (hr) 2024-01-19
EP3103116A1 (fr) 2016-12-14
DK3103116T3 (da) 2021-07-26
US10043525B2 (en) 2018-08-07
HUE062979T2 (hu) 2023-12-28
KR20220035271A (ko) 2022-03-21
JP6775065B2 (ja) 2020-10-28
EP3330967A1 (fr) 2018-06-06
PT3103116T (pt) 2021-07-12
SI3103116T1 (sl) 2021-09-30
RU2017144521A3 (es) 2021-04-01
CN108109632B (zh) 2022-03-29
ZA201606173B (en) 2018-11-28
JP2019168710A (ja) 2019-10-03
EP3327722A1 (fr) 2018-05-30
CN108109632A (zh) 2018-06-01

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