Search results
Results From The WOW.Com Content Network
In physics, sound energy is a form of energy that can be heard by living things. Only those waves that have a frequency of 16 Hz to 20 kHz are audible to humans. However, this range is an average and will slightly change from individual to individual.
Anthropogenic noise, originating from human activities, has increased underwater noise in the natural sound environment of the reefs. [86] The preeminent sources of noise pollution on coral reefs are boat and ship activities. [87] The sound created by the crossing of boats and ships overlaps with the natural sounds of the coral reef organisms.
Example of transportation noise and how it affects the community. Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities. [1] Noise is frequently described as 'unwanted sound'. Within this context, environmental noise is generally present in ...
Sound waves may be viewed using parabolic mirrors and objects that produce sound. [9] The energy carried by an oscillating sound wave converts back and forth between the potential energy of the extra compression (in case of longitudinal waves) or lateral displacement strain (in case of transverse waves) of the matter, and the kinetic energy of ...
There are many kinds of transduction process that convert energy from some other form into sonic energy, producing a sound wave. There is one fundamental equation that describes sound wave propagation, the acoustic wave equation , but the phenomena that emerge from it are varied and often complex.
For example, some dog breeds can perceive vibrations up to 60,000 Hz. [ 7 ] In many media, such as air, the speed of sound is approximately independent of frequency, so the wavelength of the sound waves (distance between repetitions) is approximately inversely proportional to frequency.
Anthropophony, sound generated from human activities, plays an important role in contemporary soundscapes. Birds have been used as study organisms in much of the research concerning wildlife responses to anthropogenic noise, and the resulting literature documents many effects that are relevant to other taxa affected by anthropophony. Birds may ...
Traumatic noise exposure can happen at work (e.g., loud machinery), at play (e.g., loud sporting events, concerts, recreational activities), and/or by accident (e.g., a backfiring engine.) Noise induced hearing loss is sometimes unilateral and typically causes patients to lose hearing around the frequency of the triggering sound trauma. [17]