AR094775A1 - Mejora de señales de audio con el uso de parámetros espaciales estimados - Google Patents
Mejora de señales de audio con el uso de parámetros espaciales estimadosInfo
- Publication number
- AR094775A1 AR094775A1 ARP140100454A ARP140100454A AR094775A1 AR 094775 A1 AR094775 A1 AR 094775A1 AR P140100454 A ARP140100454 A AR P140100454A AR P140100454 A ARP140100454 A AR P140100454A AR 094775 A1 AR094775 A1 AR 094775A1
- Authority
- AR
- Argentina
- Prior art keywords
- frequency coefficients
- frequency
- coefficients
- range
- improvement
- Prior art date
Links
- 239000002131 composite material Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
Classifications
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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
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L19/02—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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L25/06—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 correlation coefficients
-
- 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
- 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
- G10L25/18—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 spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Los datos de audio recibidos pueden incluir un primer conjunto de coeficientes de frecuencia y un segundo conjunto de coeficientes de frecuencia. Los parámetros espaciales para -al menos- parte del segundo conjunto de coeficientes de frecuencia se pueden estimar, sobre la base -al menos en parte- del primer conjunto de coeficientes de frecuencia. Los parámetros espaciales estimados se pueden aplicar al segundo conjunto de coeficientes de frecuencia, para generar un segundo conjunto de coeficientes de frecuencia modificado. El primer conjunto de coeficientes de frecuencia puede corresponder a un primer rango de frecuencias (por ejemplo, un rango de frecuencias de canal individual) y el segundo conjunto de coeficientes de frecuencia puede corresponder a un segundo rango de frecuencias (por ejemplo, un rango de frecuencias de canal acoplado). Los coeficientes de frecuencia combinados de un canal de acoplamiento compuesto pueden estar basados en coeficientes de frecuencia de dos o más canales. Se pueden calcular los coeficientes de correlación cruzada, entre los coeficientes de frecuencia de un primer canal y los coeficientes de frecuencia combinados.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361764869P | 2013-02-14 | 2013-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR094775A1 true AR094775A1 (es) | 2015-08-26 |
Family
ID=50069321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100454A AR094775A1 (es) | 2013-02-14 | 2014-02-13 | Mejora de señales de audio con el uso de parámetros espaciales estimados |
Country Status (22)
Country | Link |
---|---|
US (1) | US9489956B2 (es) |
EP (1) | EP2956934B1 (es) |
JP (1) | JP6138279B2 (es) |
KR (1) | KR101724319B1 (es) |
CN (1) | CN105900168B (es) |
AR (1) | AR094775A1 (es) |
AU (1) | AU2014216732B2 (es) |
BR (1) | BR112015019525B1 (es) |
CA (1) | CA2898271C (es) |
CL (1) | CL2015002277A1 (es) |
DK (1) | DK2956934T3 (es) |
HK (1) | HK1218674A1 (es) |
HU (1) | HUE032018T2 (es) |
IL (1) | IL239945B (es) |
IN (1) | IN2015MN01955A (es) |
MX (1) | MX344170B (es) |
PL (1) | PL2956934T3 (es) |
RU (1) | RU2620714C2 (es) |
SG (1) | SG11201506129PA (es) |
TW (1) | TWI618051B (es) |
UA (1) | UA113682C2 (es) |
WO (1) | WO2014126683A1 (es) |
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US10254121B2 (en) * | 2017-01-23 | 2019-04-09 | Uber Technologies, Inc. | Dynamic routing for self-driving vehicles |
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GB2576769A (en) * | 2018-08-31 | 2020-03-04 | Nokia Technologies Oy | Spatial parameter signalling |
CN110047503B (zh) * | 2018-09-25 | 2021-04-16 | 上海无线通信研究中心 | 一种声波的多径效应抑制方法 |
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2014
- 2014-01-15 TW TW103101429A patent/TWI618051B/zh active
- 2014-01-22 EP EP14703222.1A patent/EP2956934B1/en active Active
- 2014-01-22 PL PL14703222T patent/PL2956934T3/pl unknown
- 2014-01-22 HU HUE14703222A patent/HUE032018T2/en unknown
- 2014-01-22 KR KR1020157021954A patent/KR101724319B1/ko active IP Right Grant
- 2014-01-22 SG SG11201506129PA patent/SG11201506129PA/en unknown
- 2014-01-22 BR BR112015019525-3A patent/BR112015019525B1/pt active IP Right Grant
- 2014-01-22 IN IN1955MUN2015 patent/IN2015MN01955A/en unknown
- 2014-01-22 DK DK14703222.1T patent/DK2956934T3/en active
- 2014-01-22 JP JP2015556957A patent/JP6138279B2/ja active Active
- 2014-01-22 WO PCT/US2014/012457 patent/WO2014126683A1/en active Application Filing
- 2014-01-22 US US14/767,565 patent/US9489956B2/en active Active
- 2014-01-22 CA CA2898271A patent/CA2898271C/en active Active
- 2014-01-22 RU RU2015133584A patent/RU2620714C2/ru active
- 2014-01-22 CN CN201480008591.5A patent/CN105900168B/zh active Active
- 2014-01-22 MX MX2015010166A patent/MX344170B/es active IP Right Grant
- 2014-01-22 AU AU2014216732A patent/AU2014216732B2/en active Active
- 2014-01-22 UA UAA201508021A patent/UA113682C2/uk unknown
- 2014-02-13 AR ARP140100454A patent/AR094775A1/es active IP Right Grant
-
2015
- 2015-07-15 IL IL239945A patent/IL239945B/en active IP Right Grant
- 2015-08-14 CL CL2015002277A patent/CL2015002277A1/es unknown
-
2016
- 2016-06-08 HK HK16106597.6A patent/HK1218674A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP2956934A1 (en) | 2015-12-23 |
IL239945A0 (en) | 2015-08-31 |
RU2620714C2 (ru) | 2017-05-29 |
CA2898271A1 (en) | 2014-08-21 |
AU2014216732B2 (en) | 2017-04-20 |
EP2956934B1 (en) | 2017-01-04 |
BR112015019525B1 (pt) | 2021-12-14 |
KR101724319B1 (ko) | 2017-04-07 |
IN2015MN01955A (es) | 2015-08-28 |
CN105900168B (zh) | 2019-12-06 |
MX344170B (es) | 2016-12-07 |
BR112015019525A2 (pt) | 2017-07-18 |
HK1218674A1 (zh) | 2017-03-03 |
TW201447867A (zh) | 2014-12-16 |
SG11201506129PA (en) | 2015-09-29 |
JP6138279B2 (ja) | 2017-05-31 |
UA113682C2 (xx) | 2017-02-27 |
CN105900168A (zh) | 2016-08-24 |
PL2956934T3 (pl) | 2017-05-31 |
JP2016510569A (ja) | 2016-04-07 |
CL2015002277A1 (es) | 2016-02-05 |
IL239945B (en) | 2019-02-28 |
KR20150109400A (ko) | 2015-10-01 |
WO2014126683A1 (en) | 2014-08-21 |
DK2956934T3 (en) | 2017-02-27 |
HUE032018T2 (en) | 2017-08-28 |
MX2015010166A (es) | 2015-12-09 |
CA2898271C (en) | 2019-02-19 |
RU2015133584A (ru) | 2017-02-21 |
US9489956B2 (en) | 2016-11-08 |
US20160005413A1 (en) | 2016-01-07 |
TWI618051B (zh) | 2018-03-11 |
AU2014216732A1 (en) | 2015-07-30 |
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