alsa-project/alsa-plugins issue #5 was edited from crocket:

Sample rate conversion should be done with the highest resolution possible. Maybe, double, unsigned int, or unsigned int64? Once sample rate conversion is done, using S32_LE is meaningless.

Does dmix also use 16bits internally?

Issue URL : https://github.com/alsa-project/alsa-plugins/issues/5 Repository URL: https://github.com/alsa-project/alsa-plugins