Patents-Review.com
ClassID:

224221 ⎘

H04H20/89 - CPC Classification

Classification description:

Arrangements for broadcast or for distribution combined with broadcast; Arrangements characterised by the broadcast information itself; Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic

Recent Application in this class:
#1
20250260934
2025-08-14

METHOD AND APPARATUS FOR COMPRESSING AND DECOMPRESSING A HIGHER ORDER AMBISONICS SIGNAL REPRESENTATION

 #2
20250150188
2025-05-08

Audio signal distribution for the thermal optimisation of speakers

 #3
20240147173
2024-05-02

Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

 #4
20230344535
2023-10-26

ROBUST BROADCAST VIA RELAYED RETRANSMISSION

 #5
20230092469
2023-03-23

Wireless Multi-channel Audio Transmission Method and Device

 #6
20220200716
2022-06-23

Robust broadcast via relayed retransmission

 #7
20220103960
2022-03-31

Method and apparatus for compressing and decompressing a higher order Ambisonics signal representation

 #8
20190327572
2019-10-24

Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

 #9
20190164560
2019-05-30

Broadcast transmitting apparatus and broadcast transmitting method for providing an object-based audio, and broadcast playback apparatus and broadcast playback method

 #10
20190052986
2019-02-14

Electronic apparatus, control method thereof and computer program product using the same

 #11
20180220248
2018-08-02

Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

 #12
20160351201
2016-12-01

Broadcast transmitting/playback apparatus and method thereof

 #13
20160337775
2016-11-17

Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

 #14
20160219389
2016-07-28

Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding

 #15
20160066116
2016-03-03

Using single bitstream to produce tailored audio device mixes

 #16
20160064005
2016-03-03

Intermediate compression for higher order ambisonic audio data

 #17
20160035386
2016-02-04

Editing of higher-order ambisonic audio data

 #18
20150312678
2015-10-29

Method and apparatus for determining dominant sound source directions in a higher order Ambisonics representation of a sound field

 #19
20150228286
2015-08-13

Processing audio objects in principal and supplementary encoded audio signals

 #20
20150098572
2015-04-09

Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

 #21
20150042813
2015-02-12

Audio/video entertainment system and method

 #22
20140307893
2014-10-16

Digital audio routing system

 #23
20140088977
2014-03-27

Method and apparatus for generating a stereo signal from a down-mixed mono signal

 #24
20140016784
2014-01-16

Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding

 #25
20130294607
2013-11-07

Broadcast transmitting/playback apparatus and method thereof

 #26
20130182851
2013-07-18

Processor for an FM signal receiver and processing method

 #27
20120265543
2012-10-18

Multi-channel signal encoding and decoding method, apparatus, and system

 #28
20120226494
2012-09-06

Identifying an encoding format of an encoded voice signal

 #29
20120155653
2012-06-21

Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field

 #30
20120134501
2012-05-31

Method and apparatus for encoding and decoding stereo signal and multi-channel signal

 #31
20120057709
2012-03-08

Multiple channel audio system supporting data channel replacement

 #32
20110282471
2011-11-17

Apparatus and Method for Synchronizing Additional Data and Base Data

 #33
20110142243
2011-06-16

Speaker synchronization technique for wireless multichannel sound data transmission system

 #34
20110083158
2011-04-07

Audio/video entertainment system and method

 #35
20110047379
2011-02-24

Apparatus and method for transmitting digital multimedia broadcasting data, and method and apparatus for receiving digital multimedia broadcasting data

 #36
20100227579
2010-09-09

Radio broadcasting receiver and method for seeking radio broadcasting

 #37
20100191355
2010-07-29

Sound data transmitting apparatus, sound data transmitting method, sound data receiving apparatus, and sound data receiving apparatus

 #38
20100091189
2010-04-15

Audio Signal Processing Device and Audio Signal Processing Method

 #39
20090290633
2009-11-26

Method of apparatus for processing a signal

 #40
20090245398
2009-10-01

Method of processing a signal and apparatus for processing a signal

 #41
20090234656
2009-09-17

Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal

 #42
20090216541
2009-08-27

Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal

 #43
20090161795
2009-06-25

Method and apparatus for processing a signal

 #44
20090147961
2009-06-11

Object-based 3-dimensional audio service system using preset audio scenes

 #45
20090119110
2009-05-07

Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal

 #46
20090074213
2009-03-19

APPARATUS AND METHOD FOR DOWN CONVERTING MULTICHANNEL PROGRAMS TO DUAL CHANNEL PROGRAMS USING A SMART COEFFICIENT GENERATOR

 #47
20090055196
2009-02-26

Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal

 #48
20080253576
2008-10-16

Method and apparatus for encoding and decoding stereo signal and multi-channel signal

 #49
20080139109
2008-06-12

PORTABLE DEVICE WITH COMBINED BROADCAST AND WEB RADIO

 #50
20080130924
2008-06-05

Use of voice-to-remaining audio (VRA) in consumer applications

 #51
20080072270
2008-03-20

System and method for transmitting interactive services associated with broadcast contents, in real time or off line

 #52
20080004735
2008-01-03

Error monitoring of a Dolby Digital AC-3 bit stream

 #53
20070285815
2007-12-13

Apparatus and method for synchronizing additional data and base data

 #54
20070263877
2007-11-15

Multichannel spectral mapping audio apparatus and method

 #55
20070256107
2007-11-01

Audio/video entertainment system and method

 #56
20070211905
2007-09-13

Multichannel spectral mapping audio apparatus and method

 #57
20070206821
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #58
20070206816
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #59
20070206815
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #60
20070206814
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #61
20070206813
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #62
20070206812
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #63
20070206811
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #64
20070206810
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #65
20070206809
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #66
20070206808
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #67
20070206807
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #68
20070206806
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #69
20070206805
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #70
20070206804
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #71
20070206803
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #72
20070206802
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #73
20070206801
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #74
20070206800
2007-09-06

Multichannel spectral mapping audio apparatus and method

 #75
20070116297
2007-05-24

Multiple channel audio system supporting data channel replacement

 #76
20070076893
2007-04-05

Multichannel spectral mapping audio apparatus and method with dynamically varying mapping coefficients

 #77
20070058762
2007-03-15

High quality, controlled latency multi-channel wireless digital audio distribution system and methods

 #78
20070030986
2007-02-08

System and methods for aligning capture and playback clocks in a wireless digital audio distribution system

 #79
20070011558
2007-01-11

Methods and apparatus to extract codes from a plurality of channels

 #80
20060287745
2006-12-21

Wireless speakers

 #81
20060088168
2006-04-27

Multichannel spectral vector mapping audio apparatus and method

 #82
20060083393
2006-04-20

Multiple channel wireless communication system

 #83
20060059001
2006-03-16

Method of embedding sound field control factor and method of processing sound field

 #84
20060045277
2006-03-02

Multichannel spectral mapping audio encoding apparatus and method with dynamically varying mapping coefficients

 #85
20050273324
2005-12-08

System for providing audio data and providing method thereof

 #86
20050232445
2005-10-20

Use of voice-to-remaining audio (VRA) in consumer applications

 #87
20050212910
2005-09-29

Method and system for multidimensional virtual reality audio and visual projection

 #88
20050195929
2005-09-08

Sampling frequency conversion apparatus

 #89
20050141722
2005-06-30

Signal processing