Unit very good against shock and vibration, allowing applications such as tossing in your panniers to go for a bike ride where you record the whole thing to chip memory...there are no filters available in firmware (nor on any external controls) to shape playback sound, other than gross volume (the volume control subroutine is quite good and intuitive...
The RP5120 digital voice recorder by RCA is the perfect tool for taking notes...It features Automatic Voice-Activated Record (AVR) mode, which senses sound and starts recording automatically once sound begins...Easily identify the date and time a recording was made with the date/time stamp...