Phase-amplitude 3-D stereo encoder and decoder

JM Jot, M Walsh, E Stein, JO Merimaa… - US Patent …, 2014 - Google Patents
Primary Examiner—SV Clark US 2009/0092259 A1 Apr. 9, 2009 Assistant Examiner—Jesse
Y. Miyoshi Related US Application Data(74) Attorney, Agent, or Firm—Creative Technology …

Mixed reality spatial audio

BL Schmidt, J Tajik, JM Jot - US Patent 10,616,705, 2020 - Google Patents
(57) ABSTRACT A method of presenting an audio signal to a user of a mixed reality
environment is disclosed. According to examples of the method, an audio event associated …

Spatial audio coding based on universal spatial cues

M Goodwin, JM Jot - US Patent 8,379,868, 2013 - Google Patents
The present invention provides a frequency-domain spatial audio coding framework based
on the perceived spatial audio scene rather than on the channel content. In one …

Spatial audio analysis and synthesis for binaural reproduction and format conversion

MM Goodwin, JM Jot, M Dolson - US Patent 8,374,365, 2013 - Google Patents
A frequency-domain method for format conversion or reproduction of 2-channel or multi-
channel audio signals such as recordings is described. The reproduction is based on spatial …

System and method for capturing, encoding, distributing, and decoding immersive audio

MM Goodwin, JM Jot, M Walsh - US Patent 9,794,721, 2017 - Google Patents
A sound field coding system and method that provides flexible capture, distribution, and
reproduction of immersive audio recordings encoded in a generic digital audio format …

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 …

Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework

MY Kim, NG Peters - US Patent 9,747,910, 2017 - Google Patents
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 …

Coding vectors decomposed from higher-order ambisonics audio signals

MY Kim, NG Peters, D Sen - US Patent 9,852,737, 2017 - Google Patents
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 …

Primary-ambient decomposition of stereo audio signals using a complex similarity index

MM Goodwin, C Avendano - US Patent 8,103,005, 2012 - Google Patents
An audio signal is processed to derive primary and ambient components of the signal. The
signal is first transformed to generate frequency-domain subband signals. Primary and …

Apparatus for determining a spatial output multi-channel audio signal

S Disch, V Pulkki, MV Laitinen, C Erkut - US Patent 8,824,689, 2014 - Google Patents
An apparatus for determining a spatial output multi-channel audio signal based on an input
audio signal and an input parameter. The apparatus includes a decomposer for decom …