> Mix-A-Lot, which indeed instantiate a private Mixer dormant node and > connect its output to system mixer one : > > http://haiku-os.org/legacy-docs/benewsletter/Issue4-10.html And Mix-A-Lot source code is available under sample-code/media_kit/Mix-A-Lot folder, in the sample-code archive : http://www.bebits.com/app/3019 Bye, Philippe.