Scientists have created a program to reproduce the ambient sounds of other planets. Reported by the American Institute of Physics.
“We have been sending cameras to other planets in the solar system for decades and have learned a lot from them. However, we never heard the sound of another planet until the last mission of the Perseverance rover,” the authors write, raising the problem.
At the same time, acoustic data can tell scientists a lot about the properties of the surrounding material – for example, the microphone attached to the Huygens lander allowed physicists to study the atmosphere of Titan, the moon of Saturn.
Timothy Layton of the University of Southampton has developed a program that reproduces extraterrestrial environmental sounds and predicts how human voices might change on distant worlds. Their work will be exhibited meeting The American Acoustic Society will be held May 8-12 in Chicago. The unique properties of planetary atmospheres affect the speed and absorption of sound. For example, the dilute Martian atmosphere, rich in carbon dioxide, absorbs more sound than Earth’s, so distant sounds appear weaker. Predicting how sound will propagate is important for designing and sizing microphones and speakers. In addition, the program can be useful for science fiction movies and games that want to make the sound of other planets more realistic.
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