Audacity 2.1.0 includes a limited introduction of real-time preview – where you can change the settings of an effect during playback. More details are given on this page of the manual: http://manual.audacityteam.org/o/man/real_time_preview_of_effects.html It's also covered in less detail in my Jaws guide. In the the Basic editing section, there's a sub section on effects, and this contains a sub section on effects with real-time preview. Here's a link to the effects section: http://vip.chowo.co.uk/wp-content/uploads/jaws/Audacity-2.1.0-Guide.html#effects David. The audacity4blind web site is at //www.freelists.org/webpage/audacity4blind Subscribe and unsubscribe information, message archives, Audacity keyboard commands, and more... To unsubscribe from audacity4blind, send an email to audacity4blind-request@xxxxxxxxxxxxx with subject line unsubscribe