Latency Input Latency The delay between data arriving at the audio interface from the outside world, and it being available to the computer. Output Latency The delay between data being delivered by the computer, and it being delivered to the outside world.(from the Alsa tutorial by Paul Davis)

LADSPA is an acronym for Linux Audio Developers Simple Plugin API. It is an LGPLed standard for handling filters and effects. It was originally designed for Linux through consensus on the Linux Audio Developers Mailing List, but works on a variety of other platforms.