what you want me explain anyting ? alsaucm -c xxxx set _verb HiFi set _enadev Speaker https://www.systutorials.com/docs/linux/man/1-alsaucm/ I used alsa-utils 1.17 and alsa-lib 1.17. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel