(a) What is meant by ‘Time - Stretching ‘in relation to a sound data file?
(b) Calculate the size of a 5 minutes mono sound file of CD quality and with a 16 -bit rate.
(c) Briefly explain the three following acoustic properties of sound:
(d) When digitizing sound the desired recording attributes are sample rate, bit resolutions and channels. Briefly explain these attributes.
(e) Most of the time sound is represented graphically as a wave (a sine wave). Explain what is meant by :
(i) the amplitude of the sound
(ii) the frequency of the sound.