DK3985667T3 - Afkodning af audiobitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldelement - Google Patents

Afkodning af audiobitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldelement Download PDF

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Publication number
DK3985667T3
DK3985667T3 DK21193211.6T DK21193211T DK3985667T3 DK 3985667 T3 DK3985667 T3 DK 3985667T3 DK 21193211 T DK21193211 T DK 21193211T DK 3985667 T3 DK3985667 T3 DK 3985667T3
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Prior art keywords
spectral band
audio bitstream
filler element
band replication
bitstream decoding
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DK21193211.6T
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English (en)
Inventor
Lars Villemoes
Heiko Purnhagen
Per Ekstrand
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Dolby Int Ab
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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
    • G10L19/04—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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK21193211.6T 2015-03-13 2016-03-10 Afkodning af audiobitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldelement DK3985667T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15159067 2015-03-13
US201562133800P 2015-03-16 2015-03-16
EP16765449.0A EP3268956B1 (en) 2015-03-13 2016-03-10 Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element

Publications (1)

Publication Number Publication Date
DK3985667T3 true DK3985667T3 (da) 2023-05-22

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Family Applications (6)

Application Number Title Priority Date Filing Date
DK23154574.0T DK4198974T3 (da) 2015-03-13 2016-03-10 Afkodning af audiobitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldelement
DK19190806.0T DK3598443T3 (da) 2015-03-13 2016-03-10 Afkodning af lydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldeelement
DK21195190.0T DK3958259T3 (da) 2015-03-13 2016-03-10 Afkodningslydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst et fyldeelement
DK22202090.1T DK4141866T3 (da) 2015-03-13 2016-03-10 Afkodningslydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst et fyldelement
DK19213743.8T DK3657500T3 (da) 2015-03-13 2016-03-10 Afkodningslydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst et fyldeelement
DK21193211.6T DK3985667T3 (da) 2015-03-13 2016-03-10 Afkodning af audiobitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldelement

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DK23154574.0T DK4198974T3 (da) 2015-03-13 2016-03-10 Afkodning af audiobitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldelement
DK19190806.0T DK3598443T3 (da) 2015-03-13 2016-03-10 Afkodning af lydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst ét fyldeelement
DK21195190.0T DK3958259T3 (da) 2015-03-13 2016-03-10 Afkodningslydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst et fyldeelement
DK22202090.1T DK4141866T3 (da) 2015-03-13 2016-03-10 Afkodningslydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst et fyldelement
DK19213743.8T DK3657500T3 (da) 2015-03-13 2016-03-10 Afkodningslydbitstrømme med forbedret spektralbåndreplikationsmetadata i mindst et fyldeelement

Country Status (24)

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US (14) US10134413B2 (da)
EP (11) EP4328909B1 (da)
JP (10) JP6383502B2 (da)
KR (12) KR101884829B1 (da)
CN (22) CN109360576B (da)
AR (10) AR103856A1 (da)
AU (8) AU2016233669B2 (da)
BR (9) BR122020018676B1 (da)
CA (6) CA3210429A1 (da)
CL (1) CL2017002268A1 (da)
DK (6) DK4198974T3 (da)
ES (8) ES2897660T3 (da)
FI (3) FI4141866T3 (da)
HU (8) HUE070762T2 (da)
IL (5) IL323012B1 (da)
MX (5) MX372635B (da)
MY (6) MY210203A (da)
PL (10) PL4336499T3 (da)
PT (1) PT4336499T (da)
RU (4) RU2665887C1 (da)
SG (2) SG10201802002QA (da)
TW (8) TWI879690B (da)
WO (2) WO2016149015A1 (da)
ZA (5) ZA201903963B (da)

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