Abstract
In this chapter, we discuss why multi-channel sound is important for telecommunication and for what kind of applications. In hands-free systems, multi-channel acoustic echo cancelers are absolutely necessary for full duplex communication. We explain the fundamental difference with the mono-hannel case and study the nonuniqueness problem. We also give a general framework for multi-channel time-domain adaptive algorithms, since they are the heart of any echo canceler.
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Benesty, J., Gänsler, T., Eneroth, P. (2000). Multi-Channel Sound, Acoustic Echo Cancellation, and Multi-Channel Time-Domain Adaptive Filtering. In: Gay, S.L., Benesty, J. (eds) Acoustic Signal Processing for Telecommunication. The Springer International Series in Engineering and Computer Science, vol 551. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-8644-3_6
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DOI: https://doi.org/10.1007/978-1-4419-8644-3_6
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