From the noise of an urban landscape to the musical cocoons created by high-tech devices, sound may be humanity's most lively and versatile interface with the world. Takes viewers on a sonic odyssey that assesses the frequently overlooked impact of what humans hear. Takes a CGI tour through the human ear and its vibration-decoding systems, defining the concept of sound. Also demonstrates the importance of sound in human spiritual and religious lives, while musical research at Edinburgh University highlights the link between sound patterns and human movement. Several experts, from physicists to sound engineers to audio artists, contribute to this exploration of humanity's sonic world. Accessibility options on the DVD are: (1) expanded description, (2) English subtitles in a black box.