Audio bit depth
Quantization
The bit depth limits the signal-to-noise ratio (SNR) of the reconstructed signal to a maximum level determined by quantization error. The bit depth has no impact on the frequency response, which is constrained by the sample rate.

Audio bit depth

Section Title: Quantization
Table Section Text: The bit depth limits the signal-to-noise ratio (SNR) of the reconstructed signal to a maximum level determined by quantization error. The bit depth has no impact on the frequency response, which is constrained by the sample rate.

# bits	SNR	Possible integer values (per sample)	Base-ten signed range (per sample)

4	24.08 dB	16	−8 to +7

8	48.16 dB	256	−128 to +127

11	66.22 dB	2048	−1024 to +1023

12	72.24 dB	4096	−2048 to +2047

16	96.33 dB	65,536	−32,768 to +32,767

20	120.41 dB	1,048,576	−524,288 to +524,287

24	144.49 dB	16,777,216	−8,388,608 to +8,388,607

32	192.66 dB	4,294,967,296	−2,147,483,648 to +2,147,483,647

48	288.99 dB	281,474,976,710,656	−140,737,488,355,328 to +140,737,488,355,327

64	385.32 dB	18,446,744,073,709,551,616	−9,223,372,036,854,775,808 to +9,223,372,036,854,775,807

Sentence(s)

In Audio bit depth, a 16-bit system has a resolution of 65,536 possible values.

final_sentence: In Audio bit depth, a 16-bit system has a resolution of 65,536 possible values.