jack and pulse question

[hdezela]

Hi all, I've just recently switched to Arch for my Raspberry projects and I've noticed that - generally - packages that have jack and/or pulse as optional dependencies have them enabled (for example xine, ffmpeg). Is there some specific reason for this? I've always run my Raspberries with Alsa only as jack and pulse usually add delays and quality issues to sounds; for example, on a Pi1 with lxde-gtk3 and chromium, full-screen videos play fine when I recompile without jack and pulse but have ~.4 second audio delay with them installed.

I don't want to come off as critical of previous decisions, I would just like to know the rationale behind them.