keenblog

I was about to give up after googling for how to get something like virtual surround on Linux when I "discovered" a plugin for ALSA called vdownmix. It downmixes 4.0 or 5.1 audio to create a virtual surround effect on stereo headphones.
A good kept secret? Probably not, it's in the official ALSA plugins package after all. But why does it seem like nobody is using it (google)? Read More

If you know ALSA well it's probably very simple but still here it is because I couldn't find it anywhere: my ~/.asoundrc (or /etc/asound.conf) to use two ALSA devices simultaneously from a single playing application. Read More

Updated July 2nd 2009: Now using Sebastian Pipping's bs2b LADSPA plug-in instead of tap-bs2b

After picking up some new headphones yesterday, I wondered whether there was any way to convert stereo audio to binaural audio. It took an hour of time but now I've got it working wonderfully, by feeding ALSA the LADSPA plug-in for Bauer stereophonic-to-binaural.

Read on for my how-to. Read More