Search Ctrl K
Home / Tools
THE FEUTEX TOOLKIT

Ideal Quantization Noise

Estimate the ideal full-scale sine signal-to-quantization-noise ratio for a bit depth.

Audio workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaIdeal quantization SNR = 6.020599913279624*bits+1.7609125905568124-backoff; Quantization levels = 2**bits
Sources and model references

Worked example

Inputs

PCM bit depth
16 bits
Signal below full scale
0 dB

Expected results

Ideal quantization SNR
98.0905112 dB
Quantization levels
65536

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Estimate the ideal full-scale sine signal-to-quantization-noise ratio for a bit depth.
  2. Set pcm bit depth, signal below full scale in the indicated units.
  3. Calculate and compare ideal quantization snr, quantization levels.

Try this example

{
  "bits": 16,
  "backoff": 0
}

Accuracy and scope

Uniform quantization and an ideal sinusoid; excludes analog noise, dither and distortion.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.