Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction

J Robillard, M Neusinger, C Helmrich, J Hilpert… - US Patent …, 2016 - Google Patents
An encoder/decoder is based on a combination of two audio or video channels to obtain a
first combination signal as a mid-signal and a residual signal derivable using a predicted …

MDCT-based complex prediction stereo coding

H Purnhagen, P Carlsson, L Villemoes - US Patent 9,111,530, 2015 - Google Patents
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Energy conservative multi-channel audio coding

E Norvell, M Sehlstedt, A Taleb - US Patent 9,330,671, 2016 - Google Patents
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Apparatus for decoding a signal comprising transients using a combining unit and a mixer

A Kuntz, S Disch, J Herre, F Kuech, J Hilpert - US Patent 9,431,019, 2016 - Google Patents
(*) Notice: Subject to any disclaimer, the term of this(Continued) patent is extended or
adjusted under 35 USC 154 (b) by 371 days. OTHER PUBLICATIONS Engdegard, Jonas et …

Multi-channel audio signal processing

EGP Schuijers, S De Bont - US Patent 8,638,948, 2014 - Google Patents
FM radio was invented in the 1940s and extended for stereo broadcasts in the 1960s. The
demodulated FM-stereo signal comprises a mono audio signal (L+ R), a pilot tone of 19 kHz …

MDCT-based complex prediction stereo coding

H Purnhagen, P Carlsson, L Villemoes - US Patent 9,378,745, 2016 - Google Patents
The invention provides methods and devices for stereo encoding and decoding using
complex prediction in the frequency domain. In one embodiment, a decoding method, for …

MDCT-based complex prediction stereo coding

H Purnhagen, P Carlsson, L Villemoes - US Patent 9,159,326, 2015 - Google Patents
The invention provides methods and devices for stereo encod ing and decoding using
complex prediction in the frequency domain. In one embodiment, a decoding method, for …

Automatic generation of metadata for audio dominance effects

JC Riedmiller, R Radhakrishnan, H Muesch - US Patent 9,552,845, 2017 - Google Patents
BACKGROUND Broadcast studios are often required to deliver two or more audio streams
associated with an audio and/or video program. For example, the primary audio stream may …

MDCT-based complex prediction stereo coding

H Purnhagen, P Carlsson, L Villemoes - US Patent 9,892,736, 2018 - Google Patents
The invention provides methods and devices for stereo encoding and decoding using
complex prediction in the frequency domain. In one embodiment, a decoding method, for …

Apparatus for generating a decorrelated signal using transmitted phase information

A Kuntz, S Disch, J Herre, F Kuech, J Hilpert - US Patent 9,368,122, 2016 - Google Patents
A. Glenn (57) ABSTRACT An apparatus for generating a decorrelated signal having a
receiving unit for receiving phase information, a transient separator, a transient decorrelator …