On 01/08/2018 11:57 PM, jonetsu wrote: > I've been using jackd fro years and will not change. I have a question > which is not important at all.. does jackd sits on top of ALSA Yes, either ALSA, or for old firewire devices on top of 1394. > or besides it ? No. > In other words can a Linux audio system work with only > jackd ? Yes with jack dummy-backend or a netjack: no local soundcard. No actual audio/midi i/o > If not, what is the responsibility of ALSA in a system using > jackd ? Asking the inverse is easier. in short: as user you only need jack if you need inter-application routing. Developers prefer jack because it offers a simple API, and it abstracts a lot of complexities. e.g. it sets up realtime callbacks (every app using ALSA directly would have to do that by itself). HTH, robin _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user