Mpeg 7 audio and beyond audio content indexing and retrieval phần 3 potx

... ranked according to MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora © 2005 John Wiley & Sons, Ltd 2 .7 TIMBRAL DESCRIPTORS 47 2 .7. 6 Harmonic Spectral ... Magazine, vol. 17, no. 6, pp. 12 36 . Wold E., Blum T., Keslar D. and Wheaton J. (1996) Content- Based Classification, Search, and Retrieval of Audio , IEEE...

Ngày tải lên: 09/08/2014, 18:22

... 108 4.2 .3 Recognition Results 111 4 .3 MPEG- 7 SpokenContent Description 1 13 4 .3. 1 General Structure 114 4 .3. 2 SpokenContentHeader 114 4 .3. 3 SpokenContentLattice 121 4.4 Application: Spoken Document Retrieval ... Introduction 171 5.1.2 InstrumentTimbre 1 73 5.1 .3 HarmonicInstrumentTimbre 174 5.1.4 PercussiveInstrumentTimbre 176 5.1.5 Distance Measures 176 5.2 Melody 177...

Ngày tải lên: 27/05/2014, 03:59

... 91 39 6290 79 0596982 39 1 32 MFCC 97 08 97 695 39 6 3 97 694 96 31 13 PCA-ASP 96 3 97 695 79 589882494 3 ICA-ASP 97 994 39 6696698 79 3 996 33 MFCC 100 99 966 99 100 901 97 45 23 PCA-ASP 100 988985985 100 882 97 33 ICA-ASP ... 259 Audio fingerprinting 8, 11, 2 07 Audio fundamental frequency (AFF) 13, 36 Audio fundamental frequency (AFF) descriptor 33 , 36...

Ngày tải lên: 09/08/2014, 18:22

... 66 3. 3.1 Gaussian Mixture Model (GMM) 66 3. 3.2 Hidden Markov Model (HMM) 68 3. 3 .3 Neural Network (NN) 70 3. 3.4 Support Vector Machine (SVM) 71 3. 4 MPEG- 7 Sound Classification 73 3. 4.1 MPEG- 7 Audio ... Extraction 74 3. 4.2 Training Hidden Markov Models (HMMs) 77 3. 4 .3 Classification of Sounds 79 3. 5 Comparison of MPEG- 7 Audio Spectrum Projection vs. M...

Ngày tải lên: 09/08/2014, 18:22

... layer. MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora © 2005 John Wiley & Sons, Ltd 2 .7 TIMBRAL DESCRIPTORS 41 Figure 2. 13 MPEG- 7 LAT and TC ... DESCRIPTORS 27 Figure 2 .7 MPEG- 7 basic spectral descriptors extracted from a music signal (cor anglais, 44.1 kHz) ASE vector is extracted from 34 frequency ba...

Ngày tải lên: 09/08/2014, 18:22

... Number of states 45 678 Left–right HMM 77  37 5  978  178  877 5 Forward and backward HMM 61 878  1 73 76 77 59 Ergodic HMM 58 675 580184 38 19 corresponding classification accuracy is 84 .3% . Three iterations ... 81 79 15946 NMF-ASP 74  577  278 6 MFCC 905 93 2942 NMF-ASP: MPEG- 7 ASP based on NMF basis. dimensions 7 and 23, while slightly worse at dimension...

Ngày tải lên: 09/08/2014, 18:22

... SPOKEN CONTENT In this chapter we use the well defined MPEG- 7 Spoken Content description standard as an example to illustrate challenges in this domain. The audio part of MPEG- 7 contains a SpokenContent ... word and phone hypotheses in the same graph as depicted in the example of Figure 4.6. The MPEG- 7 a SpokenContent description consists of two distinct elements: a Spoken...

Ngày tải lên: 09/08/2014, 18:23

... DOCUMENT RETRIEVAL 1 57 Target String β (n = 7) Source String α (m = 6) u 0 1 2 01 23 v m ∅ ∅ Y mYC 0 1 23 1 0 21 0 4 E 4 3 n 32 1 4 C 432 5 @ 5 6 n 63 5 l 5 6 m 6 7 h 7 12 34 56 1 234 5 12 34 5 1 23 45 234 5 432 34 5 5 43 Final ... valid MPEG- 7 SpokenContent description. The level of detail in the lattice depends on the particular application. As men- tioned in...

Ngày tải lên: 09/08/2014, 18:23

... represented by the Scale vector contains 13 values: <Scale> 1 .33 24 3. 0185 4 .35 08 5.8251 7. 36 93 8.8 436 10. 176 0 11.6502 13. 1944 14.66 87 16.0011 17. 6 872 19.0196 </Scale> 5.2.4 Key In music ... like “warm” or MPEG- 7 Audio and Beyond: Audio Content Indexing and Retrieval H G. Kim, N. Moreau and T. Sikora © 2005 John Wiley & Sons, Ltd 5.2 M...

Ngày tải lên: 09/08/2014, 18:23

... a fingerprint, this choice is beyond the scope of the MPEG- 7 standardization and left up to the individual application. (Herre et al., 2002) proposes a simple matching of MPEG- 7 AudioSignature descriptions ... FINGERPRINTING AND AUDIO SIGNAL QUALITY 6 .3. 9 Bandwidth Bandwidth describes the upper limit of the signal’s bandwidth for each channel. The Bandwidth features are expr...

Ngày tải lên: 09/08/2014, 18:23