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The principles of sound
Quick questions on The decibel and loudness: the logarithmic measure of level - Edexcel A-Level Music Technology
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the decibel formula for an amplitude ratio. [1 mark]
What is q2?Show answer
By how many decibels does the level change if the power is doubled? [2 marks]
What is q3?Show answer
A -bit recording offers about how much dynamic range, using roughly dB per bit? [2 marks]
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