On Wed, 2013-02-13 at 11:47 +0600, Dmitri Paduchikh wrote: > Tanu Kaskinen wrote: > > The device_id parameter is the sound card index, as listed > > in /proc/asound/cards. The tsched_buffer_size parameter is the sink > > buffer size in bytes, which determines the maximum latency, and which > > you can choose freely. The kernel configuration determines the upper > > bound. 65536 matches the default kernel configuration of 64 kilobytes. > > I guess that even if the upper bound is determined by the kernel > configuration, it is not CONFIG_SND_HDA_PREALLOC_SIZE, since that is set > to 4096 in my system whereas device.buffering.buffer_size was 352800. Note that the kernel option value is in kilobytes, while in device.buffering.buffer_size is in bytes. Also, PulseAudio never configures the buffer size higher than 2 seconds. -- Tanu