Virtual Analog Effects

DAFX: Digital Audio Effects: Second Edition

Volumn , Issue , 2011, Pages 473-522

  Valimaki V ^a   Bilbao, S ^b   Smith, J O ^c   Abel, J S ^c   Pakarinen, J ^a   Berners, D ^c  

^a AALTO UNIVERSITY   (Finland)

^b UNIVERSITY OF EDINBURGH   (United Kingdom)

^c STANFORD UNIVERSITY   (United States)

Author keywords

Analog filters, in music technology not linear, at high signal levels producing distortion; Artificial reverberation techniques, behaviour of real rooms room reverberation and 3D wave equation; Digital emulation of valve or vacuum tube amplifiers with commercial applications; Faust2 software implementation of cryBaby wah pedal in Faust distribution; Phenomenon in real valve circuits two directional impedance coupling between components and parts of circuit; Tape based echo simulation the roland Space Echo in dub and reggae music, and the Maestro Echoplex, popular among guitarists; Virtual analog effect processing techniques; Virtual analog effects; Virtual analog effects, and ongoing digitization equipments in music production; WDF modeling, and challenges in circuit simulation applications, open research problems limiting their usability on a large scale

Indexed keywords

EID: 84867893761     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1002/9781119991298.ch12     Document Type: Chapter

References (91)

1. S. Arnardottir, J. S. Abel, and J. O. Smith. A digital model of the Echoplex tape delay. In Proceedings of the 125th AES Convention, Preprint 7649, San Francisco, California, October 2008.
2. J. Allen and D. Berkley. Image method for efficiently simulating small-room acoustics. Journal of Acoustical Society of America, 65(4): 943-950, 1979.
3. J. Abel, D. Berners, S. Costello, and J. O. Smith III. Spring reverb emulation using dispersive allpass filters in a waveguide structure. Presented at the 121st Audio Engineering Society Convention, San Francisco, California, October, 2006. Preprint 6954.
4. D. Amels. System and method for distorting a signal, 2003. US Patent No. 6,611,854 B1. Filed September 22, 2000, issued August 26, 2003.
5. K. Arcas. Simulation numérique d'un réverbérateur à plaque. PhD thesis, Ecole Nationale Supérieure de Techniques Avancées, Palaiseau, France, 2008.
6. T. Araya and A. Suyama. Sound effector capable of imparting plural sound effects like distortion and other effects, 1996. US Patent No. 5,570,424. Filed November 24, 1993, issued June 4, 1996.
7. S. Bilbao, K. Arcas, and A. Chaigne. A physical model of plate reverberation. In Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, volume 5, pp. 165-168, Toulouse, France, 2006.
8. P. Baxandall. Negative-feedback tone control. Wireless World , pp. 402-405, October 1952.
9. S. Bilbao. Wave and Scattering Methods for the Numerical Integration of Partial Differential Equations. PhD thesis, Stanford University, Palo Alto, CA, USA, 2001.
10. S. Bilbao. A digital plate reverberation algorithm. Journal of the Audio Engineering Society, 55(3):135-144, 2007.
11. S. Bilbao. Numerical Sound Synthesis: Finite Difference Schemes and Simulation inMusical Acoustics. John Wiley & Sons, Ltd, Chichester, UK, 2009.
12. D. Botteldooren. Finite-difference time-domain simulation of low-frequency room acoustic problems. Journal of Acoustical Society of America, 98(6): 3302-3308, 1995.
13. S. Bilbao and J. Parker. A virtual model of spring reverberation. IEEE Transactions on Audio, Speech, and Language Processing, 18(4): 799-808, 2010.
14. G. Borin, G. De Poli, and D. Rocchesso. Elimination of delay-free loops in discrete-time models of nonlinear acoustic systems. IEEE Transactions on Speech and Audio Processing, 8: 597-605, September 2000.
15. A. Chaigne and C. Lambourg. Time-domain simulation of damped impacted plates. I Theory and experiments. Journal of Acoustical Society of America, 109(4): 1422-1432, 2001.
16. R. Cook (ed). Concepts and Applications of Finite Element Analysis, 4th edition John Wiley & Sons, Inc., New York, New York, 2002.
17. L. Della Pietra and S. della Valle. On the dynamic behaviour of axially excited helical springs. Meccanica, 17: 31-43, 1982.
18. M. Doidic, M. Mecca, M. Ryle, and C. Senffner. Tube modeling programmable digital guitar amplification system, 1998. US Patent No. 5,789,689.
19. G. De Sanctis, A. Sarti, and S. Tubaro. Automatic synthesis strategies for object-based dynamical physical models in musical acoustics. In Proceedings of the International Conference on Digital Audio Effects, pp. 219-224, London, England, September 8-11, 2003.
20. P. Fernández-Cid and F. J. Casajús-Quirós. Distortion of musical signals by means of multiband waveshaping. Journal of New Music Research, 30(3): 219-287, 2001.
21. A. Fettweis. Wave digital filters: Theory and practice. Proceedings of the IEEE, 74(2): 270-327, February 1986.
22. F. Fontana. Preserving the structure of the Moog VCF in the digital domain. In Proceedings of the International Computer Music Conference, pp. 291-294, Copenhagen, Denmark, August 2007.
23. N. Fletcher and T. Rossing. The Physics of Musical Instruments. Springer-Verlag, New York, New York, 1991.
24. M. N. Gallo. Method and apparatus for distortion of audio signals and emulation of vacuum tube amplifiers, 2008. US Patent Application 2008/0218259 A1. Filed March 6, 2007, published September 11, 2008.
25. F. Gustafsson, P. Connman, O. Oberg, N. Odelholm, and M. Enqvist. System and method for simulation of non-linear audio equipment. US Patent Application 20040258250, 2004.
26. S. J. Godsill and P. J. W. Rayner. Digital Audio Restoration - A Statistical Model Based Approach. Springer-Verlag, New York, New York, 1998.
27. K. Graff. Wave Motion in Elastic Solids. Dover, New York, New York, 1975.
28. L. Hammond. Electrical musical instrument, February 2, 1941. US Patent 2,230,836.
29. A. Huovilainen. Non-linear digital implementation of the Moog ladder filter. In Proceedings of the International Conference on Digital Audio Effects, pp. 61-64, Naples, Italy, October 2004.
30. A. Huovilainen. Enhanced digital models for analog modulation effects. In Proceedings of the International Conference on Digital Audio Effects, pp. 155-160, Madrid, Spain, September 20-22, 2005.
31. D. L. Jackson. Method and apparatus for the modeling and synthesis of harmonic distortion, 2003. US Patent No. 6,504,935 B1. Filed August 19, 1998, issued January 7, 2003.
32. J.-M. Jot and A. Chaigne. Digital delay networks for designing artificial reverberators, 1991. Presented at the 90th Audio Engineering Society Convention, Paris, France, February, 1991. Preprint 3030.
33. M. Karjalainen. BlockCompiler documentation. Unfinished report, available on-line at http:http://www.acoustics.hut.fi/software/BlockCompiler/docu.html.
34. M. Karjalainen. Efficient realization of wave digital components for physical modeling and sound synthesis. IEEE Transactions on Audio, Speech, and Language Processing, 16(5): 947-956, 2008.
35. R. Kuroki and T. Ito. Digital audio signal processor with harmonics modification, 1998. US Patent No. 5,841,875. Filed January 18, 1996, issued November 24, 1998.
36. M. Karjalainen, T. Mäki-Patola, A. Kanerva, and A. Huovilainen. Virtual air guitar. Journal of the Audio Engineering Society, 54(10): 964-980, October 2006.
37. M. Karjalainen and J. Pakarinen. Wave digital simulation of a vacuum-tube amplifier. In Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, Toulouse, France, May 15-19, 2006.
38. G. Kramer. Digital signal processor for providing timbral change in arbitrary audio and dynamically controlled stored digital audio signals, 1991. US Patent No. 4,991,218 (continuation-in-part of US Pat. 4,868,869). Filed August 24, 1989, issued February 5, 1991.
39. W. Kuhl. The acoustical and technological properties of the reverberation plate. EBU. Review, A(49), 1958.
40. T. I. Laakso, V. Välimäki, M. Karjalainen, and U. K. Laine. Splitting the unit delay - Tools for fractional delay filter design. IEEE Signal Processing Magazine, 13(1): 30-60, January 1996.
41. C. Lambourg, A. Chaigne, and D. Matignon. Time-domain simulation of damped impacted plates. II Numerical model and results. Journal of Acoustical Society of America, 109(4): 1433-1447, 2001.
42. W. M. Leach Jr. SPICE models for Vacuum-Tube Amplifiers. Journal of the Audio Engineering Society, 43(3): 117-126, 1995.
43. J. Lee and D. Thompson. Dynamic stiffness formulation, free vibration, and wave motion of helical springs. Journal on Sound and Vibration, 239(2): 297-320, 2001.
44. J. Mallinson. The Foundations of Magnetic Recording. Academic Press, New York, New York, 1987.
45. S. Möller, M. Gromowski, and U. Zölzer. A measurement technique for highly nonlinear transfer functions. In Proceedings of the International Conference on Digital Audio Effects, pp. 203-206, Hamburg, Germany, September 26-28, 2002.
46. P. Morse and U. Ingard. Theoretical Acoustics. Princeton University Press, Princeton, New Jersey, 1968.
47. D. Murphy, A. Kelloniemi, J. Mullen, and S. Shelley. Acoustic modelling using the digital waveguide mesh. IEEE Signal Processing Magazine, 24(2): 55-66, 2007.
48. R. A. Moog. A voltage-controlled low-pass high-pass filter for audio signal processing. In Proceedings of the 17th Annual Meeting of the Audio Engineering Society, October 1965.
49. J. Macak and J. Schimmel. Nonlinear circuit simulation using time-variant filter. In Proceedings of the International Conf. Digital Audio Effects, Como, Italy, September 1-4, 2009.
50. J. Parker. Spring reverberation: A finite difference approach. Master's thesis, University of Edinburgh, 2008.
51. J. Pakarinen and M. Karjalainen. Enhanced wave digital triode model for real-time tube amplifier emulation. IEEE Transactions on Audio, Speech, and Language Processing, 18(4): 738-746, 2010.
52. E. Pritchard, W. M. Leach Jr, F. Broydé, and E. Clavelier. Comments on "Spice Models for Vacuum-Tube Amplifiers" and Author's Replies. Journal of the Audio Engineering Society, 45(6): 488-496, 1997.
53. E. K. Pritchard. Semiconductor emulation of tube amplifiers, 1991. US Patent No. 4,995,084. Filed March 23, 1998, issued February 19, 1991.
54. J. Pakarinen, M. Tikander, and M. Karjalainen. Wave digital modeling of the output chain of a vacuum-tube amplifier. In Proceedings of the 12th International Conference on Digital Audio Effects (DAFx09), Como, Italy, September 1-4, 2009.
55. M. Puckette. Designing multichannel reverberators. Computer Music Journal, 6(1): 52-65, 1982.
56. J. Pakarinen and D. T. Yeh. A review of digital techniques for modeling vacuum-tube guitar amplifiers. Computer Music Journal, 33(2): 85-100, 2009.
57. T. Quarles, D. Pederson, R. Newton, A. Sangiovanni-Vincentelli, and C. Wayne. The spice page, 2007. Internet article http://bwrc.eecs.berkeley.edu/Classes/IcBook/SPICE/ (checked June 5, 2007).
58. T. F. Quatieri, D. A. Reynolds, and G. C. O'Leary. Estimation of handset nonlinearity with application to speaker recognition. IEEE Transactions on Speech and Audio Processing, 8(5): 567-584, September 2000.
59. L. R. Rabiner and B. Gold. Theory and Application of Digital Signal Processing. Prentice-Hall, Upper Saddle River, New Jersey, 1975.
60. D. Rocchesso. Maximally diffusive yet efficient feedback delay networks for artificial reverberation. IEEE Signal Processing Letters, 4(9): 252-255, 1997.
61. D. Rossum. Making digital filters sound "analog". In Proceedings of the International Computer Music Conference, pp. 30-33, San Jose, CA, October 1992.
62. C. Rydel. Simulation of Electron Tubes with SPICE. In Proceedings of the 98th AES Convention, Preprint 3965 (G1), Paris, France, October 25-28, 1995.
63. A. Sarti and G. De Poli. Toward nonlinear wave digital filters. IEEE Transactions on Signal Processing, 47(6): 1654-1668, June 1999.
64. S. Serafin. The sound of friction: real-time models, playability and musical applications. PhD thesis, Stanford University, 2004.
65. M. Shibutani. Distortion circuits for improving distortion effects to audio data, 1996. US Patent No. 5,528,532. Filed June 6, 1995, issued June 18, 1996.
66. W. Sjursen. Improved SPICE Model for Triode Vacuum Tubes. Journal of the Audio Engineering Society, 45(12): 1082-1088, 1997.
67. J. Schimmel and J. Misurec. Characteristics of broken-line approximation and its use in distortion audio effects. In Proceedings of the International Conference on Digital Audio Effects, pp. 161-164, Bordeaux, France, September 10-15, 2007.
68. J. O. Smith. An all-pass approach to digital phasing and flanging. In Proceedings of the International Computer Music Conference, pp. 103-109, 1984.
69. J. O. Smith III. Introduction to Digital Filters with Audio Applications. http://ccrma. stanford.edu/~jos/filters/, September 2007. Online book.
70. J. O. Smith III. Virtual electric guitars and effects using Faust and Octave. In Proceedings of the 6th Int. Linux Audio Conf. (LAC2008), 2008. paper and supporting website:http://ccrma.stanford.edu/realsimple/faust_strings/, presentation overheads:http://ccrma-ftp.stanford.edu/~jos/pdf/LAC2008-jos.pdf.
71. T. Stilson and J. Smith. Analyzing the Moog VCF with considerations for digital implementation. In Proceedings of the International Computer Music Conference, pp. 398-401, Hong Kong, China, August 1996.
72. J. O. Smith. Physical Audio Signal Processing: for Virtual Musical Instruments and Digital Audio Effects. 2010. On-line version at https://ccrma.stanford.edu/~jos/pasp/.
73. F. Santagata, A. Sarti, and S. Tubaro. Non-linear digital implementation of a parametric analog tube ground cathode amplifier. In Proceedings of the International Conference on Digital Audio Effects, pp. 169-172, Bordeaux, France, September 10-15, 2007.
74. J. D. Stack. Sound reverberating device, March 9 1948. US Patent 2,437,445.
75. K. Steiglitz. A Digital Signal Processing Primer with Applications to Digital Audio and Computer Music. Addison-Wesley, Reading, Massachusetts, 1996.
76. T. Stilson. Efficiently Variable Non-Oversampled Algorithms in Virtual-Analog Music Synthesis - A Root-Locus Perspective. PhD thesis, Elec. Eng. Dept., Stanford University (CCRMA), June 2006. http://ccrma.stanford.edu/~stilti/.
77. J. Strikwerda. Finite Difference Schemes and Partial Differential Equations. Wadsworth and Brooks/Cole Advanced Books and Software, Pacific Grove, California, 1989.
78. C. S. Sullivan. Extending the Karplus-Strong algorithm to synthesize electric guitar timbres with distortion and feedback. Computer Music Journal, 14(3): 26-37, fall 1990.
79. R. Szilard. Theory and Analysis of Plates. Prentice Hall, Englewood Cliffs, New Jersey, 1974.
80. V. Välimäki, S. González, O. Kimmelma, and J. Parviainen. Digital audio antiquing - signal processing methods for imitating the sound quality of historical recordings. Journal of the Audio Engineering Society, 56(3): 115-139, March 2008.
81. V. Välimäki and A. Huovilainen. Oscillator and filter algorithms for virtual analog synthesis. Computer Music Journal, 30(2): 19-31, 2006.
82. V. Vorpérian. Fast Analytical Techniques for Electrical and Electronic Circuits. Cambridge University Press, 2002.
83. V. Välimäki, J. Parker, and J. S. Abel. Parametric spring reverberation effect. Journal of the Audio Engineering Society, 58(7/8): 547-562, July/August 2010.
84. V. Välimäki, J. Pakarinen, C. Erkut, and M. Karjalainen. Discrete-time modelling of musical instruments. Reports on Progress in Physics, 69(1): 1-78, January 2006.
85. D. K. Wise. The recursive allpass as a resonance filter. In Proceedings of the International Computer Music Conference, Ann Arbor, MI, October 1998.
86. W. Wittrick. On elastic wave propagation in helical springs. International Journal of Mechanical Sciences, 8: 25-47, 1966.
87. D. T. Yeh, J. S. Abel, A. Vladimirescu, and J. O. Smith. Numerical methods for simulation of guitar distortion circuits. Computer Music Journal, 32(2): 23-42, 2008.
88. D. T. Yeh. Digital Implementation of Musical Distortion Circuits by Analysis and Simulation. PhD thesis, CCRMA, Elec. Eng. Dept., Stanford University (CCRMA), Palo Alto, CA, USA, June 2009. http:http://ccrma.stanford.edu/dtyeh///ccrma.stanford.edu/~dtyeh/.
89. A. C. Young and P. It. Artificial reverberation unit, October 8, 1963. US Patent 3,106,610.
90. D. Yeh and J. O. Smith III. Discretization of the 59 Fender Bassman tone stack. In Proceedings of the 9th International Conference on Digital Audio Effects (DAFx06), September 2006. http://www.dafx.de/.
91. D. T. Yeh and J. O. Smith. Simulating guitar distortion circuits using wave digital and nonlinear state-space formulations. In Proceedings of the International Conference on Digital Audio Effects, pp. 19-26, Espoo, Finland, September 1-4, 2008.