On 28/01/2020 13:19, Jon Hunter wrote: ... > I ran a test on Tegra124 Jetson-TK1 and 24-bit playback seems to work as > Ben has indicated. So I don't think it is broken. Actually, it does not work on TK1. Pulseaudio was converting from S24_3LE to S16_LE. If I use plughw to do the conversion it sounds distorted indeed. Ben what audio codec are you testing with? Jon Playing WAVE 'tmp.wav' : Signed 24 bit Little Endian in 3bytes, Rate 44100 Hz, Stereo Plug PCM: Linear conversion PCM (S24_LE) Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : S24_3LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 24 buffer_size : 4096 period_size : 512 period_time : 11609 tstamp_mode : NONE tstamp_type : MONOTONIC period_step : 1 avail_min : 512 period_event : 0 start_threshold : 4096 stop_threshold : 4096 silence_threshold: 0 silence_size : 0 boundary : 1073741824 Slave: Hardware PCM card 0 'NVIDIA Tegra Jetson TK1' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S24_LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 32 buffer_size : 4096 period_size : 512 period_time : 11609 tstamp_mode : NONE tstamp_type : MONOTONIC period_step : 1 avail_min : 512 period_event : 0 start_threshold : 4096 stop_threshold : 4096 silence_threshold: 0 silence_size : 0 boundary : 1073741824 appl_ptr : 0 hw_ptr : 0 -- nvpublic
