Quantization SNR

Problem

Return the signal-to-quantization-noise ratio in dB of an ideal n-bit uniform quantizer:

SNR_dB = 6.02 * n + 1.76

This is the familiar 6 dB per bit rule.

Hint

Each additional bit halves the step size and adds roughly 6 dB.

case 1

in: [8]

expected: 49.919999999999995

case 2

in: [16]

expected: 98.08

case 3

in: [1]

expected: 7.779999999999999

case 4

in: [12]

expected: 74

Starter codePython

def quantization_snr_db(bits):
    # Your code here
    pass

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