ClassID:

220271

H03G5/00 - CPC Classification

Classification description:

Tone control or bandwidth control in amplifiers

Sub-classes:
Recent Application in this class:
#1
20260122441
2026-04-30

Systems and methods for non-isotropic virtual sound sources

#2
20250373212
2025-12-04

ELECTRONIC DEVICE OUTPUTTING SOUND AND SOUND OUTPUT METHOD USING THE SAME

#3
20230143062
2023-05-11

AUTOMATIC LEVEL-DEPENDENT PITCH CORRECTION OF DIGITAL AUDIO

#4
20210409027
2021-12-30

Clock generator

#5
20210377503
2021-12-02

Determining a toning coefficient for video, image and audio files

#6
20210289307
2021-09-16

Systems and methods for processing audio signals based on user device parameters

#7
20200267491
2020-08-20

SYSTEMS AND METHODS FOR PROCESSING AUDIO SIGNALS BASED ON USER DEVICE PARAMETERS

#8
20200186154
2020-06-11

Clock generator

#9
20190288698
2019-09-19

Clock generator

#10
20180269884
2018-09-20

Clock generator

#11
20180146317
2018-05-24

Systems and methods for processing audio signals based on user device parameters

#12
20180090150
2018-03-29

Ambience extraction from stereo signals based on least-squares approach

#13
20170265015
2017-09-14

Automatic polarity correction in audio systems

#14
20170034622
2017-02-02

Dynamic engine harmonic enhancement sound stage

#15
20160149581
2016-05-26

Clock generator

#16
20150358725
2015-12-10

Dynamic engine harmonic enhancement sound stage

#17
20150195631
2015-07-09

Feedback enclosure and feedback system for a transducer of an electronic device

#18
20150063597
2015-03-05

System and methods for acoustic priming of recorded sounds

#19
20150063578
2015-03-05

System and methods for motion restoration in acoustic processing of recorded sounds

#20
20150063573
2015-03-05

Systems and methods for simulation of mixing in air of recorded sounds

#21
20150003637
2015-01-01

METHOD FOR UTILIZING MULTI-TONE IDENTIFICATION AND AUDIO APPARATUS UTILIZING THE SAME

#22
20140216448
2014-08-07

Respirator mask speech enhancement apparatus and method

#23
20130322671
2013-12-05

Enhancing perception of frequency-lowered speech

#24
20130322651
2013-12-05

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

#25
20130259265
2013-10-03

Audio signal output device and audio output system

#26
20130216055
2013-08-22

Method, system and apparatus for integrated dynamic neural stimulation

#27
20130216053
2013-08-22

Apparatus and method for modifying an audio signal using envelope shaping

#28
20130208935
2013-08-15

Network for bone conduction transducers

#29
20130195287
2013-08-01

Digital equalizing filters with fixed phase response

#30
20130182864
2013-07-18

Running-linked sound producing device

#31
20130182862
2013-07-18

Apparatus and method for modifying an audio signal using harmonic locking

#32
20130129114
2013-05-23

Clock generator

#33
20130114829
2013-05-09

Recursive audio modulation system using nested inductor arrays

#34
20120155677
2012-06-21

Sound signal processing apparatus

#35
20110260901
2011-10-27

Variable gain amplifier

#36
20110080531
2011-04-07

Audio reproduction device and audio-video reproduction system

#37
20100189272
2010-07-29

Portable terminal and sound detector, which both communicate using body area network, and data controlling method therefor

#38
20080307151
2008-12-11

Operational amplifier with resistance switch crossbar feedback

#39
20080175410
2008-07-24

Audio system with tone controller for use in a computer

#40
20080159564
2008-07-03

Audio codec producing a tone controlled output

#41
20070092089
2007-04-26

Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal

#42
20050164661
2005-07-28

Emphasis circuit

#43
20050100178
2005-05-12

Audio system for a computer

#44
13734812
2017-08-15

Audio reproduction device target sound signature