Adaptive transition frequency between noise fill and bandwidth extension
G Ullberg, A Taleb, M Briand - US Patent 9,269,372, 2016 - Google Patents
(57) ABSTRACT A method for spectrum recovery in spectral decoding of an audio signal,
comprises obtaining (210) of an initial set of spectral coefficients representing the audio …
comprises obtaining (210) of an initial set of spectral coefficients representing the audio …
Low complexity decoder for complex transform coding of multi-channel sound
S Mehrotra, W Chen - US Patent 8,046,214, 2011 - Google Patents
US PATENT DOCUMENTS 3.684, 838 A 8, 1972 Kahn 4,776,014 A 10, 1988 Zinser
5,040,217 A 8/1991 Brandenburg et al. 5,079,547 A 1/1992 Fuchigama et al. 5,260,980 A …
5,040,217 A 8/1991 Brandenburg et al. 5,079,547 A 1/1992 Fuchigama et al. 5,260,980 A …
Transitioning of ambient higher-order ambisonic coefficients
NG Peters, D Sen - US Patent 9,922,656, 2018 - Google Patents
In general, techniques are described for transitioning an ambient higher order ambisonic
coefficient. A device comprising a memory and a processor may be configured to perform …
coefficient. A device comprising a memory and a processor may be configured to perform …
Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
V Rajendran, ER Duni, V Krishnan… - US Patent 8,924,222, 2014 - Google Patents
US8924222B2 - Systems, methods, apparatus, and computer-readable media for coding of
harmonic signals - Google Patents US8924222B2 - Systems, methods, apparatus, and …
harmonic signals - Google Patents US8924222B2 - Systems, methods, apparatus, and …
Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
ABSTRACT A device comprising a memory and one or more processors may be configured
extract, from the bitstream, a type of quantization mode. The one or more processors may …
extract, from the bitstream, a type of quantization mode. The one or more processors may …
Coding vectors decomposed from higher-order ambisonics audio signals
In general, techniques are described for coding of vectors decomposed from higher order
ambisonic coefficients. A device comprising a processor and a memory may perform the …
ambisonic coefficients. A device comprising a processor and a memory may perform the …
Methods and systems for perceptual spectral decoding
A Taleb, M Briand, G Ullberg - US Patent 9,111,532, 2015 - Google Patents
(57) ABSTRACT A method for perceptual spectral decoding includes decoding of spectral
coefficients recovered from a binary flux into decoded spectral coefficients of an initial set of …
coefficients recovered from a binary flux into decoded spectral coefficients of an initial set of …
Quality improvement techniques in an audio encoder
W Chen, N Thumpudi, MC Lee - US Patent 8,554,569, 2013 - Google Patents
Sion, band truncation, multi-channel rematrixing, and header reduction techniques to
improve quality and coding effi ciency. In the multi-channel coding decision technique, the …
improve quality and coding effi ciency. In the multi-channel coding decision technique, the …
Quality improvement techniques in an audio encoder
W Chen, N Thumpudi, MC Lee - US Patent 8,805,696, 2014 - Google Patents
An audio encoder implements multi-channel coding deci Sion, band truncation, multi-
channel rematrixing, and header reduction techniques to improve quality and coding effi …
channel rematrixing, and header reduction techniques to improve quality and coding effi …
Multimedia encoding method and device based on multimedia content characteristics, and a multimedia decoding method and device based on multimedia
Y Sohn, H Jung, Y Lee, H Moon - US Patent App. 12/988,426, 2011 - Google Patents
Metadata includes information for effectively presenting con tent, and the information
included in the metadata includes Some information useful for encoding or decoding of multi …
included in the metadata includes Some information useful for encoding or decoding of multi …