Tuesday, February 26, 2013

Characteristics Of Sound

BAP 100 – EXERCISE 1 – BARRY MOORE

1.wavelength = velocity / absolute frequency
wavelength = 344 / 2135
wavelength = 16cm
2.frequency = velocity / wavelength
frequency = 344 / 32
frequency = 1075Hz
3.Phase is when 2 wavforms interact with eachother. If two waveforms interact with eachother proscribed of phase meaning they are out of time ( non synchronised) they impart cancel eachother out meaning there will be a moment of silence wherever they interact. this can former issues in recording and mixing be courting unexpected silence is not desirable for the artist or the listeners. If two of the same waveforms tackle in phase (synchronised), the new waveform will be exactly the same in frequency, shape and phase moreover it will have doubled in amplitude. This can cause the track not to have the same volume take all the way through, which would not be satisfactory for anyone auditory modality to the track.
4.the velocity of sound is dependant on the air temperature it is travel through. The common recognition of the travel of sound is 344 metres per second which is at a temperature of 20 degrees celcius. The speed of sound changes according to temperature uprising and decline, for every increase of a single degree celcius the speed of sound increases by 0.6 meters per second.
5.

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the speed of sound changes at polar temperatures because, at different temperature the pressure of the particles of which the sound wave is travelling through is different, so this either restricts or allows the sound waves travelling.
6.the seven fundamental characteristics of any waveform are:
wavelength – is the distance cover by a waveform from the start to finish of a cycle. wavelength is represented by the lambda (λ) symbol and measured in Hertz(Hz). the conventionalism needed to calculate the wavelength of a waveform is: λ = v/f which is wavelength = velocity divided by frequency.
phase – is the interaction of two or more waveforms. waveforms can interact in and out...If you involve to get a full essay, order it on our website: Orderessay



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