3. Communication in the environment
3.1 Restrictive environments
There are two particularly restrictive environments for acoustic communication between individuals: noisy environments and absorbent environments. Noise is not defined by information theory, for which a noise is a sound that cannot be described by a function, and whose evolution is therefore unpredictable.
Noise" here refers to physical sounds of an "abiotic" nature (stream noise, wind noise) and biological sounds of a "biotic" nature (signals from other animals, anthropogenic noise*), likely to interfere with an individual's acoustic communications. By superimposing themselves on the signals emitted by a given species, these noises act as masks, making it difficult for the receiving individual...
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Communication in the environment
Innate and learned vocalizations
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