A Library of Everyday Sounds

Sound engineer Leo Martins spends weekends recording noises that most people ignore. His collection includes the click of an old lift button, rain hitting different kinds of roof and the changing hum of a refrigerator. He began the project while working on a short film whose director wanted a realistic kitchen scene. [GAP] Leo realised that recordings made specifically for one production might also be useful for many others. Leo maintained a log of recording conditions so he could later understand why two apparently similar sounds had turned out very differently. Some of his favourite recordings are not dramatic at all, but capture a familiar sound just before it disappears. He started carrying a small recorder whenever he left home. At first he captured obvious sounds such as buses, doors and crowds. Soon, however, he became interested in quieter details. [GAP] Listening through headphones made him aware that places he had considered silent were actually full of changing textures. He often records the same place at different times because traffic, weather and human activity alter its acoustic character. Organising the growing collection proved harder than recording it. A file named simply 'door' was useless when he later needed to know whether it was wooden, metal, heavy or light. [GAP] He therefore developed a detailed naming system including location, material, movement and distance from the microphone. The extra work saved time whenever he searched the archive later. To avoid disturbing people, he usually works quickly and explains what he is doing if someone asks. Leo also discovered that an accurate recording is not always the most convincing one in a film. A real punch, for example, can sound surprisingly weak through a microphone. [GAP] In such cases, editors may combine several unrelated noises to create the effect audiences expect. For Leo, this does not make the final sound dishonest; it makes it understandable. Each file also includes technical information about microphone position, recording level and any noticeable background interference. The archive is now available online to students and independent filmmakers. Leo asks users to credit the collection but does not charge for most files. [GAP] Donations from regular users pay for storage space and occasional replacement equipment, while the open-access policy keeps the archive useful to people with small budgets. Students sometimes tell him that browsing the archive changes the way they listen to ordinary spaces around them. He continues to record ordinary sounds because he believes they disappear faster than we notice. Ticket machines change, older engines vanish and public spaces are redesigned. [GAP] His archive therefore functions not only as a practical tool for filmmakers but also as an accidental record of how everyday life once sounded. He enjoys those comments because they suggest the collection is useful even beyond professional sound production.