1. BPC: Art and Computation – Summer 2007 Digital Media – Audio Recording and Editing Robert Putnam putnam@bu.edu

2. BPC: Art and Computation – Summer 20072 Outline Three classes / labs – Recording audio in the studio – Recording audio in the field – Editing audio with Audacity Taught by Manny Rettinger (UNM)

3. BPC: Art and Computation – Summer 20073 Studio Recording Preparation –Sound design Sounds for visible objects –Usually triggered by avatar proximity Sounds for the environment ("ambient“ –Usually self-triggering –Assemble instruments/props –Rehearse

4. BPC: Art and Computation – Summer 20074 Studio recording Introduction to recording equipment –Microphone(s) –Mixer –Reverb, compressor/limiter, etc. –Computer hardware/software 2-3 hour recording session

5. BPC: Art and Computation – Summer 20075 Field recording Preparation and equipment introduction as above Many field recording options: –On-site interviews –Natural sounds: water, wind, wildlife –Human activities: cooking, working, recreation –Novel sound effects

6. BPC: Art and Computation – Summer 20076 Editing audio with Audacity Digital audio editing software –Free! –Intuitive interface –Features Multi-track mixing / editing Effects such as time/frequency shifting, equalization/filtering, reverb/echo, etc. Supports many audio file formats

7. BPC: Art and Computation – Summer 20077 Audacity user interface

8. BPC: Art and Computation – Summer 20078 Key tasks Opening and closing files Cutting and pasting Effects –Fade in, fade out –Filtering –Mixing

9. BPC: Art and Computation – Summer 20079 Discussion