https://bugs.freedesktop.org/show_bug.cgi?id=46236
--- Comment #19 from Raymond <[email protected]> --- http://en.wikipedia.org/wiki/Audio_bit_depth 24-bit digital audio has a theoretical maximum SNR of 144 dB, compared to 96 dB for 16-bit Signal-to-noise ratio and resolution of bit depths# bits SNR Possible integer values Base ten signed range 4 24.08 dB 16 −8 to +7 8 48.16 dB 256 −128 to +127 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 9,223,372,036,854,775,807 −4,611,686,018,427,387,903 to +4,611,686,018,427,387,902 the volume control of livechat is about 4 bit while the volume control is just 16 bit plus -inf are your livechat confine to USB audio 1.0 or 2.0 ? -- You are receiving this mail because: You are the QA Contact for the bug. You are the assignee for the bug.
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