Class information for:
Level 1: SPEECH CODING//LINE SPECTRAL FREQUENCY//IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
12 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 1181119
462 3       VIDEO CODING//SPEECH COMMUNICATION//SPEECH ENHANCEMENT 25996
1277 2             SPEECH ENHANCEMENT//SPEECH COMMUNICATION//IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING 9076
13157 1                   SPEECH CODING//LINE SPECTRAL FREQUENCY//IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 887

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPEECH CODING authKW 2709298 17% 50% 154
2 LINE SPECTRAL FREQUENCY authKW 409640 2% 82% 14
3 IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING journal 325076 10% 10% 88
4 CELP authKW 320642 2% 48% 19
5 LOW BIT RATE SPEECH CODING authKW 252659 1% 89% 8
6 SPLIT VECTOR QUANTIZATION authKW 227392 1% 80% 8
7 FRAME ERASURE authKW 217622 1% 88% 7
8 PASSBAND COMPRESSION authKW 193440 1% 78% 7
9 ALGEBRAIC CODEBOOK SEARCH authKW 177652 1% 100% 5
10 WIDEBAND SPEECH CODING authKW 159884 1% 75% 6

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Electrical & Electronic 14691 74% 0% 657
2 Telecommunications 9170 28% 0% 244
3 Acoustics 7063 17% 0% 151
4 Computer Science, Information Systems 595 7% 0% 65
5 Computer Science, Interdisciplinary Applications 590 8% 0% 67
6 Computer Science, Hardware & Architecture 449 4% 0% 38
7 Computer Science, Software Engineering 228 4% 0% 37
8 Computer Science, Artificial Intelligence 82 3% 0% 28
9 Transportation Science & Technology 52 1% 0% 10
10 Audiology & Speech-Language Pathology 49 1% 0% 10

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NEXT GENERAT MOBILE COMMUN DEV 74016 1% 42% 5
2 BROADBAND COMMUN DEV 71061 0% 100% 2
3 SPEECH AUDIO CODING GRP 71061 0% 100% 2
4 3480 UNIV ST 35530 0% 100% 1
5 ACOUST AUDIO SIGNAL PROCESSING 35530 0% 100% 1
6 ADV DEV MIDORI KU 35530 0% 100% 1
7 AUDIO TECHNOL RD 35530 0% 100% 1
8 CIENCIAS COMPUT IA 35530 0% 100% 1
9 DIG SIGNAL PROC GRP 35530 0% 100% 1
10 DIH HDM 35530 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 325076 10% 10% 88
2 SPEECH COMMUNICATION 64794 7% 3% 62
3 IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING 23827 4% 2% 32
4 IEEE TRANSACTIONS ON ACOUSTICS SPEECH AND SIGNAL PROCESSING 23748 4% 2% 32
5 AT&T TECHNICAL JOURNAL 14095 2% 3% 15
6 IEEE SIGNAL PROCESSING LETTERS 13593 5% 1% 42
7 IEEE COMMUNICATIONS MAGAZINE 11605 4% 1% 39
8 IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING 9510 2% 2% 15
9 IEE PROCEEDINGS-I COMMUNICATIONS SPEECH AND VISION 7613 1% 2% 12
10 IEEE TRANSACTIONS ON COMMUNICATIONS 6023 5% 0% 41

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPEECH CODING 2709298 17% 50% 154 Search SPEECH+CODING Search SPEECH+CODING
2 LINE SPECTRAL FREQUENCY 409640 2% 82% 14 Search LINE+SPECTRAL+FREQUENCY Search LINE+SPECTRAL+FREQUENCY
3 CELP 320642 2% 48% 19 Search CELP Search CELP
4 LOW BIT RATE SPEECH CODING 252659 1% 89% 8 Search LOW+BIT+RATE+SPEECH+CODING Search LOW+BIT+RATE+SPEECH+CODING
5 SPLIT VECTOR QUANTIZATION 227392 1% 80% 8 Search SPLIT+VECTOR+QUANTIZATION Search SPLIT+VECTOR+QUANTIZATION
6 FRAME ERASURE 217622 1% 88% 7 Search FRAME+ERASURE Search FRAME+ERASURE
7 PASSBAND COMPRESSION 193440 1% 78% 7 Search PASSBAND+COMPRESSION Search PASSBAND+COMPRESSION
8 ALGEBRAIC CODEBOOK SEARCH 177652 1% 100% 5 Search ALGEBRAIC+CODEBOOK+SEARCH Search ALGEBRAIC+CODEBOOK+SEARCH
9 WIDEBAND SPEECH CODING 159884 1% 75% 6 Search WIDEBAND+SPEECH+CODING Search WIDEBAND+SPEECH+CODING
10 LINEAR PREDICTIVE CODING 153233 2% 25% 17 Search LINEAR+PREDICTIVE+CODING Search LINEAR+PREDICTIVE+CODING

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 4469 VECTOR QUANTIZATION//BLOCK TRUNCATION CODING//IMAGE COMPRESSION
2 10402 VOICE CONVERSION//SPEECH SYNTHESIS//HMM BASED SPEECH SYNTHESIS
3 27213 AUDIO RESTORATION//AUDIO ARCHIVES//ELIMINATION OF IMPULSIVE DISTURBANCES
4 17778 SPEECH QUALITY//E MODEL//PESQ
5 29738 LAPLACIAN SOURCE//FORWARD ADAPTATION//VARIANCE MISMATCH
6 29741 HUB CITY SELECTION//PRICE SPLITTING//BUFFER CONTENT DISTRIBUTION
7 37979 HYBRID IBOC//SIMULTANEOUS ANALOG FM AND DATA//VIDEO TEST BITSTREAM
8 3626 SPEECH ENHANCEMENT//VOICE ACTIVITY DETECTION//DEREVERBERATION
9 33266 SARAH CODES//PARALLEL CASCADE IDENTIFICATION//AEROSPACE SYSTEM SIMULATION
10 23230 VARIABLE LENGTH CODES//JOINT SOURCE CHANNEL DECODING//VARIABLE LENGTH CODES VLCS

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