The Audio training was a great success at the Sony Centre, Pinewood

Here some of the items covered during the day, Video below

Microphones and the Nature of Sound

  1. An explanation of how sound travels, speed, Wavelength and Frequency
  2. What is a decibel, how it came about – measuring loudness by dB / voltage / pressure
  3. Meters, types of meters and what they show – VU, PPM, Digital, LUFS, log scale
  4. Reading Microphone Specifications – and spotting different units of measurement
  5. Polar Patterns and what they mean, reading polar diagrams
  6. The importance of Phase : sound cancellation, tone of lapel mics, noise suppression
  7. Mics and their characteristics in practice :

Types – ribbon, dynamic, condenser, electret

Handling noise, wind and breath, electronic noise,

Hiss, Hum, Buzz and Crackle – and how avoid them

Cheap v Expensive mics

  1. Microphone positioning and its consequences

Directional – pointing up or down, proximity effect

Lavaliers : Tonal, breath, ambience, clothing noise, cable noise and how to reduce

Wind and Pop shields and understanding how they work

  1. Recording Direct to camera, via mixer/preamp,

Mic v Line level

Interference- mains hum, ground loops etc

DSLR, setting levels, use of bass cut,

lapel mics inverting phase, omni v cardioid, upside down

AGC / Limiters, safety track

Audio for Video Skills Day Follow-Up Tony

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