Augmenting Environmental Interaction in Audio Feedback Systems
Source abstract
Abstract
Audio feedback is defined as a positive feedback of acoustic signals where an audio input and output form a loop, and may be utilized artistically. This article presents new context-based controls over audio feedback, leading to the generation of desired sonic behaviors by enriching the influence of existing acoustic information such as room response and ambient noise. This ecological approach to audio feedback emphasizes mutual sonic interaction between signal processing and the acoustic environment. Mappings from analyses of the received signal to signal-processing parameters are designed to emphasize this specificity as an aesthetic goal. Our feedback system presents four types of mappings: approximate analyses of room reverberation to tempo-scale characteristics, ambient noise to amplitude and two different approximations of resonances to timbre. These mappings are validated computationally and evaluated experimentally in different acoustic conditions.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Music Technology and Sound Studies · Music and Audio Processing · Neuroscience and Music Perception
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Graduate School of Culture Technology, KAIST, Daejeon 34141, Korea
Arts, Media, Performance & Design, York University, Toronto, ON M3J 1P3, Canada
References (22)
Show source-provided references
1. Reich, S. (1968). Pendulum Music, Universal Editor.
2. Feedback Systems: An Analytical Framework10.1162/COMJ_a_00176 ↗
3. “Sound is the interface”: From Interactive to Ecosystemic Signal Processing10.1017/S1355771803000244 ↗
4. Kollias, P.A. (August, January 31). Ephemeron : Control over Self-Organised Music. Proceedings of the 5th International Conference of Sound and Music Computing, Berlin, Germany.
5. Kim, S., Nam, J., and Wakefield, G. (2015, January 8–10). Toward Certain Sonic Properties of an Audio Feedback System by Evolutionary Control of Second-Order Structures. Proceedings of the 4th International Conference (and 12th European event) on Evolutionary and Biologically Inspired Music, Sound, Art and Design (Part of Evostar 2015), Copenhagen, Denmark.10.1007/978-3-319-16498-4_11 ↗
6. Berdahl, E., and Harris, D. (2010, January 6–10). Frequency Shifting for Acoustic Howling Suppression. Proceedings of the 13th International Conference on Digital Audio Effects, Graz, Austria.
7. Gabrielli, L., Giobbi, M., Squartini, S., and Valimaki, V. (2014, January 4–9). A Nonlinear Second-Order Digital Oscillator for Virtual Acoustic Feedback. Processing of the 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Florence, Italy.10.1109/ICASSP.2014.6855055 ↗
8. Karjalainen, M., Välimäki, V., and Tolonen, T. (1998). Plucked-String Models: From the Karplus-Strong Algorithm to Digital Waveguides and Beyond. Comput. Music J., 17–32.10.2307/3681155 ↗
9. Digital Waveguide Synthesis of the Geomungo with a Time-varying Loss Filter
10. Physical Modeling using Digital Waveguides10.2307/3680470 ↗
11. Extending the Karplus-Strong Algorithm to Synthesize Electric Guitar Timbres with Distortion and Feedback10.2307/3679957 ↗
12. Gustafsson, F. (2009). System and Method for Simulation of Acoustic Feedback. (7,572,972), US Patent.
13. Waters, S. (2007). EMS.
14. Advancements in Actuated Musical Instruments10.1017/S1355771811000100 ↗
15. The Self-Organising Work of Music10.1017/S1355771811000148 ↗
16. Scamarcio, M. (August, January 31). Space as an Evolution Strategy. Sketch of a Generative Ecosystemic Structure of Sound. Proceedings of the Sound and Music Computing Conference, Berlin, Germany.
17. Listening to Yourself through the Otherself: On Background Noise Study and Other Works10.1017/S1355771811000033 ↗
18. Feedback and Music: You Provide the Noise, the Order Comes by Itself10.1108/03684920510581675 ↗
19. Impulse Responses Made by Fokke van Saane. Available online: http://fokkie.home.xs4all.nl/IR.htm.
20. Free Reverb Impulse Responses. Available online: http://www.voxengo.com/impulses.
21. Lerch, A. (2012). An Introduction to Audio Content Analysis: Applications in Signal Processing and Music Informatics, John Wiley & Sons.10.1002/9781118393550 ↗
22. Exploring Violin Sound Quality: Investigating English Timbre Descriptors and Correlating Resynthesized Acoustical Modifications with Perceptual Properties10.1121/1.3651790 ↗