Appendix B: Technical Specifications of Recording Equipment

• The Far-field Desk Microphone: Canford C100PB Condenser Gooseneck
• The Head-mounted Close-talking Microphone: Sennheiser HMD 414-6
• The Head-mounted Microphone Pre-amplifier: Symetrix SX202 Dual Mic Preamp
• Silicon Graphics IRIS Indigo's Stereo Line-Level Analogue Input
• Silicon Graphics IRIS Indigo's A/D Converter