ClassID:

198649

G11B2020/00057 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Time or data compression or expansion the compressed signal being an audio signal MPEG-1 or MPEG-2 audio layer III [MP3]

Recent Application in this class:
#1
20200150785
2020-05-14

Status indicators for an electronic device

#2
20190025943
2019-01-24

Highly portable media device

#3
20150094005
2015-04-02

RADIO DEVICE WITH VIRTUALLY INFINITE SIMULTANEOUS INPUTS

#4
20130035778
2013-02-07

Highly portable media device

#5
20130007396
2013-01-03

Solid state memory and method for protecting digital contents by interrupting copying or accessing and proceeding only upon user verification or authentication

#6
20120290792
2012-11-15

Media device with intelligent cache utilization

#7
20120179279
2012-07-12

Automatic audio configuration based on an audio output device

#8
20120173008
2012-07-05

METHOD AND DEVICE FOR PROCESSING AUDIO DATA

#9
20120029673
2012-02-02

Portable sound reproducing system and method

#10
20110158326
2011-06-30

Method and apparatus for generating or cutting or changing a frame based bit stream format file including at least one header section, and a corresponding data structure

#11
20110090645
2011-04-21

Highly portable media device

#12
20110077938
2011-03-31

DATA REPRODUCTION METHOD AND DATA REPRODUCTION APPARATUS

#13
20110046761
2011-02-24

Recorded Media Enhancement Method

#14
20110046760
2011-02-24

Personal audio player with wireless file sharing and radio recording and timeshifting

#15
20100332555
2010-12-30

CONTENT PLAYBACK DEVICE AND PROGRAM

#16
20100328114
2010-12-30

Data converting device, program and method

#17
20100318514
2010-12-16

CONTENT PLAYBACK DEVICE AND PROGRAM

#18
20100306859
2010-12-02

SECURE MEDIA COPYING AND/OR PLAYBACK IN A USAGE PROTECTED FRAME-BASED WORK

#19
20100286989
2010-11-11

RECORDING/REPRODUCTION DEVICE

#20
20100262838
2010-10-14

Digital data file encryption apparatus and method

#21
20100250871
2010-09-30

REPRODUCING DEVICE AND REPRODUCING METHOD

#22
20100238173
2010-09-23

Compressed audio information

#23
20100235633
2010-09-16

Authentication and encryption utilizing command identifiers

#24
20100145714
2010-06-10

Methods and apparatuses for bit stream decoding in MP3 decoder

#25
20100088330
2010-04-08

MOBILE INFORMATION TERMINAL, INFORMATION PROCESSING METHOD AND INFORMATION PROCESSING PROGRAM

#26
20100049349
2010-02-25

Method and apparatus for playing audio files

#27
20100005301
2010-01-07

Authentication and encryption utilizing command identifiers

#28
20100004765
2010-01-07

Recording apparatus and method for a storage medium exchange during recording

#29
20090282205
2009-11-12

Prerecorded Digital Portable Personal Stereo

#30
20090279398
2009-11-12

Portable recorder/players with power-saving buffers

#31
20090276628
2009-11-05

Digital content decrypting apparatus and operating method thereof

#32
20090276627
2009-11-05

Digital content decrypting apparatus and operating method thereof

#33
20090274297
2009-11-05

Digital content decrypting apparatus and operating method thereof

#34
20090274296
2009-11-05

Digital content decrypting apparatus and operating method thereof

#35
20090262936
2009-10-22

Digital content encrypting apparatus and operating method thereof

#36
20090262935
2009-10-22

Digital content encrypting apparatus and operating method thereof

#37
20090262934
2009-10-22

Digital content encrypting apparatus and operating method thereof

#38
20090262933
2009-10-22

Digital content encrypting apparatus and operating method thereof

#39
20090258619
2009-10-15

Radio device with virtually infinite simultaneous inputs

#40
20090254727
2009-10-08

Digital data reproducing apparatus and recording medium

#41
20090207517
2009-08-20

“Flat analog” AFE coupled with an all digital architecture compensation read channel

#42
20090198355
2009-08-06

Ear-mounted MP3 player with radio and remote control

#43
20090182445
2009-07-16

Techniques for preserving media play mode information on media devices during power cycling

#44
20090172542
2009-07-02

Techniques for improved playlist processing on media devices

#45
20090157204
2009-06-18

Temporally accurate watermarking system and method of operation

#46
20090142038
2009-06-04

Compressed coded data playback apparatus, and decoding/playback method of compressed coded data in the same apparatus

#47
20090139388
2009-06-04

Music replay circuit

#48
20090099670
2009-04-16

Personal audio player with wireless filesharing and radio recording and timeshifting

#49
20090085776
2009-04-02

Audio system and navigation device

#50
20090068942
2009-03-12

Method and apparatus for long-time music play on a mobile communication terminal

#51
20090030538
2009-01-29

Prerecorded digital portable personal stereo

#52
20090022334
2009-01-22

Wire-free headset, portable media player

#53
20090022025
2009-01-22

OPTICAL DISK DRIVE

#54
20080285430
2008-11-20

Information recording apparatus and information reproducing apparatus, information recording method and information reproducing method, information recording program and information reproducing program, information recording medium and recording medium

#55
20080260177
2008-10-23

Digital Medium Device, Program, and Digital Medium Providing Method

#56
20080225680
2008-09-18

Data reproduction apparatus and data reproduction method

#57
20080167738
2008-07-10

MEDIA CONNECT DEVICE, AND SYSTEM USING THE SAME

#58
20080162862
2008-07-03

Signal Processing Apparatus and Signal Processing Method

#59
20080147218
2008-06-19

Recording/reproduction apparatus

#60
20080091420
2008-04-17

APPARATUS AND METHOD FOR REPRODUCING AUDIO DATA

#61
20080063203
2008-03-13

Digital data file encryption apparatus and method

#62
20080046234
2008-02-21

Audio reproduction circuit

#63
20080039963
2008-02-14

Method for transcribing music from music CD to MP3 player

#64
20080037697
2008-02-14

Reproduction Time Measuring Circuit and Digital Data Reproducing Apparatus

#65
20080021910
2008-01-24

Recording apparatus, recording method, and recording medium

#66
20080013274
2008-01-17

Highly portable media device

#67
20080004730
2008-01-03

Portable sound reproducing system and method

#68
20070276522
2007-11-29

Portable sound reproducing system and method

#69
20070270986
2007-11-22

Audio reproduction device

#70
20070255888
2007-11-01

Method and apparatus for managing input data buffer of MP3 decoder

#71
20070250323
2007-10-25

Apparatus and Method for Encoding and Decoding Plurality of Digital Data Sets

#72
20070230963
2007-10-04

Remote Control For Combination Compact Disc Recorder And Player System

#73
20070230897
2007-10-04

Decoder for fast feed and rewind

#74
20070204172
2007-08-30

INFORMATION PROCESSING APPARATUS AND METHOD, AND PROGRAM STORAGE MEDIUM

#75
20070174570
2007-07-26

Information recording medium and information processing apparatus

#76
20070156962
2007-07-05

Media device with intelligent cache utilization

#77
20070143346
2007-06-21

Transfer apparatus, transfer method, and transfer program

#78
20070142943
2007-06-21

Digital security system

#79
20070136612
2007-06-14

Data processing apparatus and data processing method

#80
20070112450
2007-05-17

Portable sound reproducing system and method

#81
20070112449
2007-05-17

Portable sound reproducing system and method

#82
20070112448
2007-05-17

Portable sound reproducing system and method

#83
20070088961
2007-04-19

Data processing apparatus and data processing method

#84
20070074051
2007-03-29

Information processing apparatus and method, and program storage medium

#85
20070061025
2007-03-15

Data recording method, data recording apparatus, and data recording program

#86
20070038320
2007-02-15

Portable sound reproducing system and method

#87
20070038319
2007-02-15

Portable sound reproducing system and method

#88
20060280042
2006-12-14

Apparatus for reproducing copyrighted data

#89
20060251381
2006-11-09

MP-ME recorder

#90
20060217829
2006-09-28

Music player

#91
20060195543
2006-08-31

Hard disk-incorporated optical disk recording and reproducing apparatus

#92
20060195206
2006-08-31

Portable sound reproducing system and method

#93
20060187810
2006-08-24

Record carrier and apparatus enabling seamless playback

#94
20060155914
2006-07-13

Highly portable media device

#95
20060153040
2006-07-13

Techniques for improved playlist processing on media devices

#96
20060079217
2006-04-13

Communication device that communicates events using compressed audio information

#97
20060047978
2006-03-02

Information processing apparatus and method, and program storage medium

#98
20060036785
2006-02-16

Media broadcasting device having USB slot

#99
20060013088
2006-01-19

Recording information for seamless playback

#100
20060007820
2006-01-12

Digital audio recorder for CD collections

#101
20050201495
2005-09-15

Reproducing apparatus and method for controlling the same

#102
20050191960
2005-09-01

Car stereo hard disk player

#103
20050185526
2005-08-25

Portable recorder/players with power-saving buffers

#104
20050171763
2005-08-04

Methods and apparatuses for bit stream decoding in MP3 decoder

#105
20050160069
2005-07-21

Method for processing a file for a sub-memory in a wireless terminal

#106
20050159829
2005-07-21

Infrared audio player

#107
20050144542
2005-06-30

Error handling of storage device data in real time systems

#108
20050089164
2005-04-28

System and method for the production and distribution of copy-protected and use-protected electronic audio and visual media and the data contents thereof

#109
20050049735
2005-03-03

Apparatus and method for adjusting output level of audio data to be reproduced

#110
20050049734
2005-03-03

Audio level information recording/management method and audio output level adjustment method

#111
20050010791
2005-01-13

System and method for playback of copying-and-use-protected acoustic and image media

#112
20050010790
2005-01-13

Cryptographic module for the storage and playback of copy-protected electronic tone and image media which is protected in terms of use

#113
20050005143
2005-01-06

System and method for the copy-protected and use-protected coding and decoding transmission and storage of electronic audio and visual media