hi there, i have been charged with the task of findiing the best microphone to use with a sony hi-md to record lectures - and i know nothing!!! it will only be voice that needs to be recorded and the setttings range from a medium sized room in a house, to a chucrh hall to a garden setting. mostly it will be one person speaking however question arise from the audience which also need to be captured. I have heard that sony mikes are good but please can anyone advise me of the best microphone to get (doenst have to be a sony) and what type omni? binauraul? HELP!!