I live and map in North Vancouver, BC, previously in Coquitlam, BC, occasionally in other countries/cities. My OSM id is "mbiker" - http://www.openstreetmap.org/user/mbiker
Some notes so I don't forget
Audio mapping based on time stamps of individual clips from a dictaphone
Make sure to set "Modified times (time stamps) of audio files" in JOSM, or every marker will be at the beginning of the trail.