Effective Number of Bits

Problem

Invert the ideal quantization SNR rule to find the effective number of bits:

n = (snr_db - 1.76) / 6.02

Hint

Subtract the 1.76 dB constant before dividing by 6.02.

case 1

in: [49.92]

expected: 8.000000000000002

case 2

in: [98.08]

expected: 16

case 3

in: [7.78]

expected: 1.0000000000000002

case 4

in: [25.86]

expected: 4.003322259136213

Starter codePython

def effective_bits(snr_db):
    # Your code here
    pass

4 test cases · run your code against them in the editor