Problems XI
- The bass frequency range is _____?
- The high frequency range of audio signals is _____?
- The SPL in dB of a voice paging in an office is _____?
- The SPL in dB of an auditorium with contemporary music is _____?
- The church SPL in dB with speech reinforcement only is _____?
- Intensity can also be called as _____?
- The loudness of a sound depends upon the energy of motion imparted to the _____ molecules of the medium transmitting the sound.
- _____ is affected by the distance between the listener and the source of the sound and its intensity varies inversely with the square of this distance?
- If the distance between the listener and the source of the sound is doubled, the intensity is reduced to _____?
- If the distance between the listener and the source of the sound is decreased to 1/2 the original amount, the intensity of the sound would be _____?
- The frequency range of a piano is from 25 to 8,000 Hz. What is the range of wavelengths in feet?
- If the sound waves are converted to electrical waves by a microphone. What is the frequency of the electric current?
- For a music lover, concert A is 440 Hz. If a musical note one octave higher were played, it would be _____ that frequency.
- In a 220 Hz, if a note were played one octave below, it would be _____?
- Much of music is generally reffered to in _____?
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