On Wed, Mar 10, 2010 at 12:25 AM, Reece Dunn <mscl...@googlemail.com> wrote: >>>> Yes, absolutely, but it'd be good to make this measurement easy >>>> to repeat by anybody interested. To do that, let's just loop the >>>> audio output back into the audio input. The user will have to >>>> provide a loopback cable (or, worst case, put his mike right up >>>> to the speaker, and allow for a tiny bit of extra latency >>>> from that). > > But if all you are interested in is the relative latency changes, then > any additional latency effects should not matter as long as that > latency added is constant.
Right. > What is being checked is that the latency of wine+OpenAL is not > noticeably greater than the current wine+ALSA implementation (that is, > OpenAL has a latency that is at worst equal to ALSA as used by wine to > within a certain tolerance for error). Yes. Ideally we'd also run the app with other combinations as well (say, wine+OSS, or XP+ASIO, or Windows 7) to make sure we're not aiming too low. - Dan