ClassID:

198844

G11B2020/10555 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing; Audio or video recording; Data buffering arrangements; Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account

Sub-classes:
Recent Application in this class:
#1
20240120892
2024-04-11

AUDIO SIGNAL REPRODUCTION

#2
20230007407
2023-01-05

Audio signal reproduction

#3
20200075056
2020-03-05

Method to log audio in a distributed, immutable transaction log for end-to-end verification and auditing

#4
20190253691
2019-08-15

Method and apparatus for generating media presentation content with environmentally modified audio components

#5
20190166431
2019-05-30

Cooling for audio appliances

#6
20170278539
2017-09-28

Method, apparatus and computer program product for audio recording

#7
20170251306
2017-08-31

Techniques for presenting sound effects on a portable media player

#8
20170249973
2017-08-31

Method and apparatus for generating 3D audio positioning using dynamically optimized audio 3D space perception cues

#9
20170140788
2017-05-18

AUDIO ENHANCEMENT PROCESSING SYSTEM

#10
20160269712
2016-09-15

Method and apparatus for generating virtual or augmented reality presentations with 3D audio positioning

#11
20160210981
2016-07-21

Methods and apparatus for altering audio output signals

#12
20160012848
2016-01-14

AUDIO ENHANCEMENT PROCESSING SYSTEM

#13
20150283844
2015-10-08

METHODS AND APPARATUS FOR MESSAGE PERSONALIZATION

#14
20140308024
2014-10-16

Method and apparatus for generating 3D audio positioning using dynamically optimized audio 3D space perception cues

#15
20140121797
2014-05-01

System and method for combining a song and non-song musical content

#16
20140098651
2014-04-10

Recording apparatus with mastering function

#17
20130178963
2013-07-11

AUDIO SYSTEM WITH ADAPTABLE EQUALIZATION

#18
20130073282
2013-03-21

Apparatus and method of enhancing quality of speech codec

#19
20130066627
2013-03-14

Apparatus and method of enhancing quality of speech codec

#20
20130044883
2013-02-21

Techniques for presenting sound effects on a portable media player

#21
20120251069
2012-10-04

Audio enhancement based on video and/or other characteristics

#22
20120179279
2012-07-12

Automatic audio configuration based on an audio output device

#23
20120095729
2012-04-19

KNOWN INFORMATION COMPRESSION APPARATUS AND METHOD FOR SEPARATING SOUND SOURCE

#24
20120063617
2012-03-15

Preventing subtractive track separation

#25
20120063614
2012-03-15

Audio signal dynamic equalization processing control

#26
20120062700
2012-03-15

Method and apparatus for generating 3D audio positioning using dynamically optimized audio 3D space perception cues

#27
20110208330
2011-08-25

SOUND RECORDING DEVICE

#28
20110176032
2011-07-21

Audio signal processing apparatus and audio signal processing system

#29
20110110648
2011-05-12

Video recording device, video reproduction device, and method thereof

#30
20110066263
2011-03-17

AUDIO PLAYBACK DEVICE AND AUDIO PLAYBACK METHOD

#31
20100266074
2010-10-21

Method for determining characteristics of signal and apparatus using the same

#32
20100131087
2010-05-27

RECORDER WITH INSTANT PLAYBACK FUNCTION AND METHOD OF USING

#33
20100106272
2010-04-29

Sound recording device, sound recording method, and sound recording program embodied on computer readable medium

#34
20100085850
2010-04-08

Disc playback apparatus

#35
20100057449
2010-03-04

Apparatus and method of enhancing quality of speech codec

#36
20100036513
2010-02-11

Audio mixing device and method

#37
20100021004
2010-01-28

Hiding and detecting messages in media signals

#38
20100010650
2010-01-14

Method and apparatus for processing digital audio signal

#39
20090229447
2009-09-17

Method and apparatus for reproducing first part of music data having plurality of repeated parts

#40
20090177300
2009-07-09

Methods and apparatus for altering audio output signals

#41
20090167953
2009-07-02

APPARATUS AND METHOD FOR CORRECTION OF SIGNAL DISTORTION

#42
20090070674
2009-03-12

Brush tool for audio editing

#43
20090012637
2009-01-08

CHORUS POSITION DETECTION DEVICE

#44
20080289479
2008-11-27

Reproduction device, reproduction method and computer usable medium having computer readable reproduction program emodied therein

#45
20080285953
2008-11-20

Reproduction apparatus, reproduction processing circuit, reproduction method, reproduction program, and computer-readable record medium with reproduction program

#46
20080228297
2008-09-18

Audio playback device having function for adjusting playback speed and a method thereof

#47
20080147218
2008-06-19

Recording/reproduction apparatus

#48
20080131084
2008-06-05

Steganographic encoding and detecting for video signals

#49
20080131083
2008-06-05

Audio encoding to convey auxiliary information, and media embodying same

#50
20080071401
2008-03-20

AUDIO PLAYER CAPABLE OF PLAYING MULTIPLE MULTIMEDIA FILES SIMULTANEOUSLY

#51
20080065248
2008-03-13

Reproduction apparatus, reproduction method and reproduction program

#52
20070263506
2007-11-15

Method and system for detecting of errors on optical storage media

#53
20070201835
2007-08-30

Audio encoding to convey auxiliary information, and decoding of same

#54
20070174756
2007-07-26

Reproducing circuit

#55
20070127739
2007-06-07

Method of setting equalizer for audio file and method of reproducing audio file

#56
20070061133
2007-03-15

Recording/reproduction apparatus and recording/reproduction method

#57
20070030038
2007-02-08

Charge/discharge control circuit for audio device

#58
20060287744
2006-12-21

Recording medium, apparatus for mixing audio data and method thereof

#59
20060274905
2006-12-07

Techniques for presenting sound effects on a portable media player

#60
20060168114
2006-07-27

Audio processing system

#61
20060080556
2006-04-13

Hiding and detecting messages in media signals

#62
20060037055
2006-02-16

Audio data communication system, audio data transmission apparatus, audio data reception apparatus, composite data communication system, composite data transmission apparatus and composite data reception apparatus

#63
20050128918
2005-06-16

Method for determining characteristics of signal and apparatus using the same

#64
20050096766
2005-05-05

Audio signal processor

#65
15413490
2018-05-08

Portable music studio

#66
15214559
2019-01-01

Recording meeting audio via multiple individual smartphones

#67
14534278
2018-07-24

System and method for manipulating audio data in view of corresponding visual data

#68
12014546
2015-07-07

Visual representations of audio data