frequency range for cat vocalizations, and have used their resting heart rate, which is faster than ours," he told Lifes Little Mysteries. "We find that cats prefer to listen to the music composed in their frequency range and tempo rather than human music." On the basis of their results, Teie has started selling cat songs online (at $1.99 per song) through a company called "Music for Cats." Dogs are tougher nuts to crack, mostly because breeds vary widely in size, vocal range and heart rate. However, large dogs such as Labradors or mastiffs have vocal ranges that are quite similar to those of adult male humans. "So, it is possible that they might be responsive to music in our frequency range. My prediction is that a big dog might be more responsive to human music than a smaller dog such as a Chihuahua," Snowdon said. [Dogs Play the Piano in New Video] Indeed, some dogs do appear to respond emotionally to human music. Research led by Deborah Wells, a psychologist at Queens University Belfast, shows that dogs can discern between human music of different genres. "Our own research has shown that dogs certainly behave differently in response to different types of music, e.g., showing behaviors more suggestive of relaxation in response to classical music and behaviors more suggestive of agitation in response to heavy metal music," Wells wrote in an email. Considering the great demand for new ways to please our pets, more progress is likely to be made in the field of animal music. But no matter how well composers perfect their dog, cat and monkey songs, the animals will probably never appreciate their species-specific music quite as much as humans appreciate ours. According to Snowdon, they lack an important musical ability that we possess: relative pitch. "We can recognize that a sequence of notes is the same whether its in the key of F or A flat," he said. "I have found that animals have very good absolute pitch, but they dont have relative pitch. They can learn to recognize a sequence of notes, but if you transpose the notes to a different key, so that the sequence uses the same relative notes but the key is different, they cant recognize the relationships between the notes anymore." He added, "To that extent, we understand music in a different way than animals do." Copyright 2012 Lifes Little Mysteries, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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Selasa, 21 Juni 2016
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