Sox is your friend: sox -v 2.0
will double the volume, basically. There's much more to it, of course. But, sox has a great man page. Janina Linux for blind general discussion writes: > I would like sometimes to use my pc to amplify audio; my hearing is very porr. > I would like to just have the mic or line-in amplified and come to my > headphones. > I used to know how to do this but cannot remember. > Can you suggest the easiest way using command-line command? > Ubuntu 16.04lts, x86/64 with alsa and many audio programs on there. > thanks. > > > _______________________________________________ > Blinux-list mailing list > Blinux-list@redhat.com > https://www.redhat.com/mailman/listinfo/blinux-list -- Janina Sajka Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Chair, Accessible Platform Architectures http://www.w3.org/wai/apa _______________________________________________ Blinux-list mailing list Blinux-list@redhat.com https://www.redhat.com/mailman/listinfo/blinux-list
