Patents-Review.com
ClassID:

220301 ⎘

H03G9/005 - CPC Classification

Classification description:

Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals

Recent Application in this class:
#1
20260149419
2026-05-28

SOUND QUALITY ENHANCEMENT SYSTEM AND DEVICE

 #2
20250364963
2025-11-27

AUTOMATIC VOLUME LEVELING

 #3
20250356868
2025-11-20

EFFICIENT DRC PROFILE TRANSMISSION

 #4
20250291542
2025-09-18

SYSTEM AND METHOD FOR OPTIMIZING LOUDNESS AND DYNAMIC RANGE ACROSS DIFFERENT PLAYBACK DEVICES

 #5
20250244946
2025-07-31

DYNAMIC RANGE CONTROL FOR A WIDE VARIETY OF PLAYBACK ENVIRONMENTS

 #6
20250046320
2025-02-06

DECODING APPARATUS AND METHOD, AND PROGRAM

 #7
20240395270
2024-11-28

EFFICIENT DRC PROFILE TRANSMISSION

 #8
20240363130
2024-10-31

CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES

 #9
20240363129
2024-10-31

CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES

 #10
20240363128
2024-10-31

CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES

 #11
20240348221
2024-10-17

PERSONAL STAGE MONITORING SYSTEM WITH PERSONAL MIXING

 #12
20240313731
2024-09-19

Audio control using auditory event detection

 #13
20240313730
2024-09-19

Audio control using auditory event detection

 #14
20240313729
2024-09-19

Audio control using auditory event detection

 #15
20240188824
2024-06-13

System and method for improving and adjusting PCM digital signals to provide health benefits to listeners

 #16
20240186972
2024-06-06

Audio control using auditory event detection

 #17
20240168706
2024-05-23

Dynamic range control for a wide variety of playback environments

 #18
20240163529
2024-05-16

DOLBY ATMOS MASTER COMPRESSOR/LIMITER

 #19
20240103801
2024-03-28

SYSTEM AND METHOD FOR OPTIMIZING LOUDNESS AND DYNAMIC RANGE ACROSS DIFFERENT PLAYBACK DEVICES

 #20
20240063762
2024-02-22

Sound Quality Enhancement System and Device

 #21
20240029748
2024-01-25

Efficient DRC profile transmission

 #22
20230318555
2023-10-05

Audio control using auditory event detection

 #23
20230245665
2023-08-03

Decoding apparatus and method, and program

 #24
20230231526
2023-07-20

MULTICHANNEL AUDIO ENHANCEMENT, DECODING, AND RENDERING IN RESPONSE TO FEEDBACK

 #25
20230134916
2023-05-04

Concept for combined dynamic range compression and guided clipping prevention for audio devices

 #26
20230113561
2023-04-13

Loudness equalization system

 #27
20230075445
2023-03-09

Dynamic range control for a wide variety of playback environments

 #28
20220394380
2022-12-08

Audio control using auditory event detection

 #29
20220345101
2022-10-27

Method of operating an ear level audio system and an ear level audio system

 #30
20220254362
2022-08-11

Efficient DRC profile transmission

 #31
20220212020
2022-07-07

Variable sound system for audio devices

 #32
20220166397
2022-05-26

Method for performing normalization of audio signal and apparatus therefor

 #33
20220038062
2022-02-03

Systems and methods for limiter functions

 #34
20220019404
2022-01-20

System and method for optimizing loudness and dynamic range across different playback devices

 #35
20220015633
2022-01-20

System and method for improving and adjusting PMC digital signals to provide health benefits to listeners

 #36
20210337310
2021-10-28

System and method for digital signal processing

 #37
20210318848
2021-10-14

Dynamic range control for a wide variety of playback environments

 #38
20210273646
2021-09-02

ADC circuitry

 #39
20210273623
2021-09-02

Audio enhancement in response to compression feedback

 #40
20210265966
2021-08-26

Multichannel audio enhancement, decoding, and rendering in response to feedback

 #41
20210257983
2021-08-19

System and method for digital signal processing

 #42
20210166718
2021-06-03

Neural modeler of audio systems

 #43
20210166707
2021-06-03

Concept for combined dynamic range compression and guided clipping prevention for audio devices

 #44
20210152937
2021-05-20

System and method for digital signal processing

 #45
20210142811
2021-05-13

Multi-band noise gate

 #46
20210126606
2021-04-29

Audio control using auditory event detection

 #47
20210120337
2021-04-22

Loudness control methods and devices

 #48
20210085991
2021-03-25

Variable sound system for audio devices

 #49
20210065728
2021-03-04

Efficient DRC profile transmission

 #50
20210021247
2021-01-21

Methods and apparatus for adjusting a level of an audio signal

 #51
20200403590
2020-12-24

Transforming audio content for subjective fidelity

 #52
20200364025
2020-11-19

System and method for optimizing loudness and dynamic range across different playback devices

 #53
20200357422
2020-11-12

DECODING OF ENCODED AUDIO BITSTREAM WITH METADATA CONTAINER LOCATED IN RESERVED DATA SPACE

 #54
20200293272
2020-09-17

Dynamic range control for a wide variety of playback environments

 #55
20200274502
2020-08-27

Sound quality enhancement system and device

 #56
20200265845
2020-08-20

Decoding apparatus and method, and program

 #57
20200258538
2020-08-13

Method and electronic device for formant attenuation/amplification

 #58
20200244242
2020-07-30

System and method for digital signal processing

 #59
20200162050
2020-05-21

Transforming audio content for subjective fidelity

 #60
20200144979
2020-05-07

Audio control using auditory event detection

 #61
20200099355
2020-03-26

Signal processing device, method and speaker

 #62
20200067473
2020-02-27

Methods and apparatus for adjusting a level of an audio signal

 #63
20200009395
2020-01-09

Variable sound system for audio devices

 #64
20200007983
2020-01-02

System and method for digital signal processing

 #65
20190392850
2019-12-26

Systems and methods for processing an audio signal for replay on an audio device

 #66
20190310822
2019-10-10

Dynamic range control for a wide variety of playback environments

 #67
20190306624
2019-10-03

Processing of an audio input signal

 #68
20190305742
2019-10-03

System for configuration and status reporting of audio processing in TV sets

 #69
20190279652
2019-09-12

Efficient DRC profile transmission

 #70
20190255342
2019-08-22

Variable sound system for audio devices

 #71
20190229693
2019-07-25

System and method for digital signal processing

 #72
20190222188
2019-07-18

Information processing device and information processing method

 #73
20190222186
2019-07-18

Audio control using auditory event detection

 #74
20190200141
2019-06-27

Adaptive level estimator, a hearing device, a method and a binaural hearing system

 #75
20190199309
2019-06-27

Techniques for distortion reducing multi-band compressor with timbre preservation

 #76
20190139561
2019-05-09

Efficient DRC profile transmission

 #77
20190115896
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #78
20190115895
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #79
20190115894
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #80
20190115893
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #81
20190115892
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #82
20190115891
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #83
20190115890
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #84
20190115889
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #85
20190115888
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #86
20190115887
2019-04-18

Methods and apparatus for adjusting a level of an audio signal

 #87
20190096416
2019-03-28

Multi-band noise gate

 #88
20190073191
2019-03-07

Audio control system and related methods

 #89
20190073190
2019-03-07

Audio control system and related methods

 #90
20190065140
2019-02-28

Dynamic range control for a wide variety of playback environments

 #91
20190065138
2019-02-28

Electronic device with embedded microchip

 #92
20190047471
2019-02-14

Engine sound management

 #93
20190020950
2019-01-17

System and method for digital signal processing

 #94
20190018645
2019-01-17

Systems and methods for automatically generating enhanced audio output

 #95
20190013786
2019-01-10

Audio control using auditory event detection

 #96
20180374472
2018-12-27

Audio control systems and methods based on road characteristics and vehicle operation

 #97
20180358945
2018-12-13

Dynamic limiting when driving high capacitive loads

 #98
20180262176
2018-09-13

Audio compressor with parallel equalizer circuit

 #99
20180255396
2018-09-06

System and method for digital signal processing

 #100
20180234069
2018-08-16

Volume-levelling processing

 #101
20180226083
2018-08-09

Reducing codec noise in acoustic devices

 #102
20180220242
2018-08-02

Adaptive level estimator, a hearing device, a method and a binaural hearing system

 #103
20180212579
2018-07-26

Electronic apparatus and power controlling method thereof

 #104
20180197555
2018-07-12

Decoding apparatus and method, and program

 #105
20180175816
2018-06-21

Using averaged audio measurements to automatically set audio compressor threshold levels

 #106
20180175815
2018-06-21

Sound signal processing apparatus and imaging device using same

 #107
20180152166
2018-05-31

Techniques for distortion reducing multi-band compressor with timbre preservation

 #108
20180151188
2018-05-31

AUDIO ENCODER AND DECODER WITH PROGRAM LOUDNESS AND BOUNDARY METADATA

 #109
20180138883
2018-05-17

Wide bandwidth variable gain amplifier and exponential function generator

 #110
20180108367
2018-04-19

Decoding of encoded audio bitstream with metadata container located in reserved data space

 #111
20180102133
2018-04-12

SYSTEM AND METHOD FOR NARROW BANDWIDTH DIGITAL SIGNAL PROCESSING

 #112
20180095718
2018-04-05

System and method for optimizing loudness and dynamic range across different playback devices

 #113
20180069517
2018-03-08

Audio control using auditory event detection

 #114
20180034435
2018-02-01

Using averaged audio measurements to automatically set audio compressor threshold levels

 #115
20180006622
2018-01-04

Transforming audio content for subjective fidelity

 #116
20170353795
2017-12-07

Loudspeaker nonlinear compensation method and apparatus

 #117
20170346460
2017-11-30

Adjusting dynamic range of an audio signal based on one or more dynamic equalization and/or dynamic range control parameters

 #118
20170302241
2017-10-19

Management of broadcast audio loudness

 #119
20170302240
2017-10-19

Loudness level control for audio reception and decoding equipment

 #120
20170274215
2017-09-28

Variable sound system for audio devices

 #121
20170249950
2017-08-31

Efficient DRC profile transmission

 #122
20170223451
2017-08-03

Approach for partially preserving music in the presence of intelligible speech

 #123
20170221496
2017-08-03

Decoding of encoded audio bitstream with metadata container located in reserved data space

 #124
20170207762
2017-07-20

Correction of unknown audio content

 #125
20170206912
2017-07-20

Audio encoder and decoder with program loudness and boundary metadata

 #126
20170201221
2017-07-13

Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal

 #127
20170179909
2017-06-22

Audio control using auditory event detection

 #128
20170179908
2017-06-22

Audio control using auditory event detection

 #129
20170179907
2017-06-22

Audio control using auditory event detection

 #130
20170179906
2017-06-22

Audio control using auditory event detection

 #131
20170179905
2017-06-22

Audio control using auditory event detection

 #132
20170179904
2017-06-22

Audio control using auditory event detection

 #133
20170179903
2017-06-22

Audio control using auditory event detection

 #134
20170179901
2017-06-22

Audio control using auditory event detection

 #135
20170179900
2017-06-22

Audio control using auditory event detection

 #136
20170126194
2017-05-04

Spectral correction of audio signals

 #137
20170117865
2017-04-27

Multi-band limiter, sound recording apparatus, and program storage medium

 #138
20170097805
2017-04-06

Audio-signal processing device, and audio-signal processing method

 #139
20170078794
2017-03-16

System and method for digital signal processing

 #140
20170034622
2017-02-02

Dynamic engine harmonic enhancement sound stage

 #141
20160359465
2016-12-08

Audio control using auditory event detection

 #142
20160322949
2016-11-03

Frequency-domain dynamic range control of signals

 #143
20160286310
2016-09-29

Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses

 #144
20160248393
2016-08-25

Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal

 #145
20160246564
2016-08-25

Techniques for setting volume level within a tree of cascaded volume controls with variating operating delays

 #146
20160241960
2016-08-18

Handheld electronic apparatus, sound producing system and control method of sound producing thereof

 #147
20160241215
2016-08-18

Techniques for distortion reducing multi-band compressor with timbre preservation

 #148
20160240212
2016-08-18

Digital audio supplementation

 #149
20160240208
2016-08-18

System and method for narrow bandwidth digital signal processing

 #150
20160240204
2016-08-18

Concept for combined dynamic range compression and guided clipping prevention for audio devices

 #151
20160231983
2016-08-11

Dynamic range control for a wide variety of playback environments

 #152
20160227339
2016-08-04

Dynamic range control for a wide variety of playback environments

 #153
20160214532
2016-07-28

Engine sound management

 #154
20160212747
2016-07-21

Frequency-division multiplexing (FDM) using soft clipping (SC)

 #155
20160197590
2016-07-07

Dynamic range control for a wide variety of playback environments

 #156
20160191007
2016-06-30

Adaptive loudness levelling method for digital audio signals in frequency domain

 #157
20160189707
2016-06-30

Speech processing using identified phoneme clases and ambient noise

 #158
20160183000
2016-06-23

Bass enhancement system

 #159
20160173983
2016-06-16

Method of controlling diaphragm excursion of electrodynamic loudspeakers

 #160
20160164480
2016-06-09

METHOD, APPARATUS, AND SYSTEM FOR ANALYSIS, EVALUATION, MEASUREMENT AND CONTROL OF AUDIO DYNAMICS PROCESSING

 #161
20160072467
2016-03-10

Frequency band compression with dynamic thresholds

 #162
20160014512
2016-01-14

Playback device calibration user interfaces

 #163
20150373473
2015-12-24

Method for measuring HOA loudness level and device for measuring HOA loudness level

 #164
20150372653
2015-12-24

Level adjusting circuit, digital sound processor, audio AMP integrated circuit, electronic apparatus and method of automatically adjusting level of audio signal

 #165
20150363160
2015-12-17

System and method for optimizing loudness and dynamic range across different playback devices

 #166
20150358730
2015-12-10

Approach for partially preserving music in the presence of intelligible speech

 #167
20150325243
2015-11-12

Audio encoder and decoder with program loudness and boundary metadata

 #168
20150270819
2015-09-24

Techniques for distortion reducing multi-band compressor with timbre preservation

 #169
20150264481
2015-09-17

Amplifier capable of controlling cut-off frequency in real time and amplification method for controlling cut-off frequency in real time

 #170
20150256140
2015-09-10

Variable sound system for medical devices

 #171
20150256137
2015-09-10

Formant amplifier

 #172
20150229286
2015-08-13

Processing audio signal to produce enhanced audio signal

 #173
20150224313
2015-08-13

Multi-electrode channel configurations

 #174
20150197195
2015-07-16

Engine sound management

 #175
20150155842
2015-06-04

Method, apparatus, and system for analysis, evaluation, measurement and control of audio dynamics processing

 #176
20150124982
2015-05-07

Method of estimating diaphragm excursion of a loudspeaker

 #177
20150110289
2015-04-23

System and method for digital signal processing

 #178
20150106083
2015-04-16

Audio signal loudness determination and modification in the frequency domain

 #179
20150063600
2015-03-05

Audio signal processing apparatus, method, and program

 #180
20150036842
2015-02-05

Loudness level control for audio reception and decoding equipment

 #181
20150036838
2015-02-05

Loudness level control for audio reception and decoding equipment

 #182
20150030181
2015-01-29

Frequency characteristic modification device

 #183
20150010168
2015-01-08

Sound producing system and audio amplifying method thereof

 #184
20140369521
2014-12-18

System and method for narrow bandwidth digital signal processing

 #185
20140355786
2014-12-04

Sound synthesis with fixed partition size convolution of audio signals

 #186
20140341393
2014-11-20

Electronic device and method for reproducing audio signals

 #187
20140334642
2014-11-13

Method and apparatus for outputting audio signal, method for controlling volume

 #188
20140321668
2014-10-30

Signal processing device

 #189
20140301556
2014-10-09

Directional based audio response to an external environment emergency signal

 #190
20140233744
2014-08-21

AUDIO PROCESSING AND ENHANCEMENT SYSTEM

 #191
20140211946
2014-07-31

Loudness modification of multichannel audio signals

 #192
20140185829
2014-07-03

In-line signal processor

 #193
20140158866
2014-06-12

Amplifier with gain adjustment resistor, feedback resistors and transistors and optical receiver including amplifier

 #194
20140140537
2014-05-22

Audio loudness control system

 #195
20140133659
2014-05-15

Management of broadcast audio loudness

 #196
20140067383
2014-03-06

Adjustment apparatus and method

 #197
20140064509
2014-03-06

Computer program product for adaptive audio signal shaping for improved playback in a noisy environment

 #198
20140064508
2014-03-06

System for adaptive audio signal shaping for improved playback in a noisy environment

 #199
20140064507
2014-03-06

Method for adaptive audio signal shaping for improved playback in a noisy environment

 #200
20140050334
2014-02-20

Transforming audio content for subjective fidelity

 #201
20140044271
2014-02-13

Progressive, targeted, and variable conference feedback tone

 #202
20140044270
2014-02-13

Progressive, targeted, and variable conference feedback tone

 #203
20140037108
2014-02-06

Automatic loudness control

 #204
20140016791
2014-01-16

Loudness control with noise detection and loudness drop detection

 #205
20130336494
2013-12-19

AGC circuit for an echo cancelling circuit

 #206
20130322651
2013-12-05

Systems, methods, and apparatus for generating an audio signal based on color values of an image

 #207
20130279708
2013-10-24

Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal

 #208
20130243222
2013-09-19

Audio control using auditory event detection

 #209
20130216055
2013-08-22

Method, system and apparatus for integrated dynamic neural stimulation

 #210
20130202131
2013-08-08

Signal processing apparatus, signal processing method, program, signal processing system, and communication terminal

 #211
20130195279
2013-08-01

Peak detection when adapting a signal gain based on signal loudness

 #212
20130163784
2013-06-27

Bass enhancement system

 #213
20130163782
2013-06-27

Sound processing apparatus and sound processing method

 #214
20130156229
2013-06-20

Methods and systems for determining audio loudness levels in programming

 #215
20130136282
2013-05-30

System and Method for Spectral Personalization of Sound

 #216
20130136266
2013-05-30

System for dynamic spectral correction of audio signals to compensate for ambient noise

 #217
20130070939
2013-03-21

Signal processing apparatus

 #218
20130046546
2013-02-21

Apparatus and method for modifying an input audio signal

 #219
20130022207
2013-01-24

Method and system for temperature protection of a speaker

 #220
20130013096
2013-01-10

Techniques for distortion reducing multi-band compressor with timbre preservation

 #221
20130003989
2013-01-03

Perception enhancement for low-frequency sound components

 #222
20120328115
2012-12-27

System for combining loudness measurements in a single playback mode

 #223
20120328114
2012-12-27

Audio controlling apparatus, audio correction apparatus, and audio correction method

 #224
20120321096
2012-12-20

Audio gain control using specific-loudness-based auditory event detection

 #225
20120308036
2012-12-06

Speed dependent equalizing control system

 #226
20120275625
2012-11-01

SIGNAL PROCESSING DEVICE, METHOD THEREOF, PROGRAM, AND DATA RECORDING MEDIUM

 #227
20120259640
2012-10-11

VOICE CONTROL DEVICE AND VOICE CONTROL METHOD

 #228
20120250895
2012-10-04

System for adjusting perceived loudness of audio signals

 #229
20120250893
2012-10-04

Hybrid permanent/reversible dynamic range control system

 #230
20120243706
2012-09-27

Method and arrangement for processing of audio signals

 #231
20120209602
2012-08-16

Method and device for providing a plurality of audio files with consistent loudness levels but different audio characteristics

 #232
20120207319
2012-08-16

SOUND SIGNAL OUTPUT APPARATUS AND SOUND SIGNAL OUTPUT METHOD

 #233
20120191462
2012-07-26

Audio signal processing device with enhancement of low-pitch register of audio signal

 #234
20120183150
2012-07-19

Sound tuning system

 #235
20120170769
2012-07-05

Adjusting the loudness of an audio signal with perceived spectral balance preservation

 #236
20120163629
2012-06-28

Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal

 #237
20120155659
2012-06-21

Audio gain control using specific-loudness-based auditory event detection

 #238
20120128178
2012-05-24

Sound reproducing apparatus, sound reproducing method, and recording medium

 #239
20120106743
2012-05-03

Loudness modification of multichannel audio signals

 #240
20120082330
2012-04-05

METHOD FOR SIGNAL PROCESSING IN A HEARING AID AND HEARING AID

 #241
20120063616
2012-03-15

Dynamic compensation of audio signals for improved perceived spectral imbalances

 #242
20120063612
2012-03-15

Acoustic signal corrector and acoustic signal correcting method

 #243
20120051559
2012-03-01

Audio equalizer and methods for use therewith

 #244
20120051558
2012-03-01

METHOD AND APPARATUS FOR REPRODUCING AUDIO SIGNAL BY ADAPTIVELY CONTROLLING FILTER COEFFICIENT

 #245
20120039490
2012-02-16

Controlling the loudness of an audio signal in response to spectral localization

 #246
20120016505
2012-01-19

ELECTRONIC AUDIO DEVICE

 #247
20110311067
2011-12-22

Digital sound leveling device and method to reduce the risk of noise induced hearing loss

 #248
20110311062
2011-12-22

Loudness modification of multichannel audio signals

 #249
20110295919
2011-12-01

Variable exponent averaging detector and dynamic range controller

 #250
20110288613
2011-11-24

Multi-electrode channel configurations for a hearing prosthesis

 #251
20110268301
2011-11-03

Hearing aid and a method of detecting and attenuating transients

 #252
20110257982
2011-10-20

Audio signal loudness determination and modification in the frequency domain

 #253
20110255712
2011-10-20

Audio signal adjustment device and audio signal adjustment method having long and short term gain adjustment

 #254
20110255701
2011-10-20

METHOD FOR DYNAMICALLY ADJUSTING THE SPECTRAL CONTENT OF AN AUDIO SIGNAL

 #255
20110249827
2011-10-13

Systems and methods for improving the intelligibility of speech in a noisy environment

 #256
20110243337
2011-10-06

AUDIO PROCESSING SYSTEM AND METHOD

 #257
20110235824
2011-09-29

System and method for excursion limiting

 #258
20110222693
2011-09-15

Apparatus, method and computer-readable medium producing vertical direction virtual channel

 #259
20110206220
2011-08-25

ACOUSTIC SIGNAL CORRECTOR AND ACOUSTIC SIGNAL CORRECTING METHOD

 #260
20110205385
2011-08-25

Signal processing apparatus and imaging apparatus

 #261
20110150242
2011-06-23

Adaptive loudness levelling for digital audio signals

 #262
20110137647
2011-06-09

Method and apparatus for enhancing voice signal in noisy environment

 #263
20110135129
2011-06-09

Acoustic processing method and apparatus

 #264
20110133840
2011-06-09

Pre and post filter automatic gain control with bounded pre-filter gain control

 #265
20110110533
2011-05-12

Multiband DRC system and method for controlling the same

 #266
20110091048
2011-04-21

Method for virtual bass synthesis

 #267
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2011-04-14

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