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Sound

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  • 1.  
  • 2. Sound <ul><li>Is omnidirectional </li></ul><ul><li>Is omnipresent </li></ul>
  • 3. Sound <ul><li>Quality (timbre) </li></ul><ul><li>Level </li></ul><ul><li>Continuity </li></ul>
  • 4. Sound <ul><li>Acoustics </li></ul><ul><li>Clap your hands </li></ul><ul><li>Listen </li></ul><ul><li>Background noise </li></ul><ul><li>Wild track </li></ul>
  • 5. Sound Unlike light - sound dissipates quickly - on a logarithmic scale
  • 6. Sound Don’t think that you can manipulate poor sound in post production <ul><li>You can’t: </li></ul><ul><li>Remove background noise </li></ul><ul><li>Remove echo/reverb </li></ul><ul><li>Remove distortion (clipping) </li></ul>
  • 7. Sound <ul><li>But you can : </li></ul><ul><li>Add background noise </li></ul><ul><li>Add echo/reverb </li></ul><ul><li>Add music </li></ul><ul><li>Add foley </li></ul><ul><li>Re-record dialogue </li></ul><ul><li>Add SFX and music </li></ul>
  • 8. Recee for Audio <ul><li>What can you control? </li></ul><ul><li>What can’t you control? </li></ul><ul><li>Think about space for booms </li></ul><ul><li>Clap your hands </li></ul>
  • 9. Recording Audio <ul><li>Record as clean and flat as possible </li></ul><ul><li>Always monitor as you record </li></ul><ul><li>Listen out for extraneous noises </li></ul><ul><li>Think about continuity </li></ul><ul><li>Re-shoot if in doubt </li></ul><ul><li>Record wild track </li></ul><ul><li>Check recording </li></ul>
  • 10. Recording Audio If shooting with two cameras or with a separate audio recorder, always use some form of clapper
  • 11. Microphones Always think continuity Use the same microphone and placement for shots within the same scene
  • 12. Microphones The mic on the camera is useless for almost everything except a guide track
  • 13. Microphones Boom operation is a skilled and very important job
  • 14. Booms <ul><li>The mic needs to be as close to the source of sound as possible </li></ul><ul><li>The boom should be the same distance from the source in EVERY shot in a scene </li></ul><ul><li>This means that you must plan ahead </li></ul><ul><li>You may need to use two booms </li></ul><ul><li>Boom mics are not as directional as most people think </li></ul>
  • 15. Boom operator’s job <ul><li>To keep the boom as close as possible to the sound source </li></ul><ul><li>To keep the boom at the same distance for each shot in a scene </li></ul><ul><li>To ensure that the boom does not come into shot </li></ul><ul><li>Be careful not to cause any handling noise </li></ul>
  • 16. Using Radio Mics <ul><li>Check frequency </li></ul><ul><li>Check audio levels </li></ul><ul><li>Listen for distortion </li></ul><ul><li>Hide the mic but be very careful of handling/clothes noise </li></ul><ul><li>Use one mic on each person - do not share mics </li></ul><ul><li>Radio mics can be placed in scenery </li></ul>
  • 17. Boundary Mics <ul><li>Can be useful in some situations </li></ul><ul><li>Completely non-directional </li></ul><ul><li>Needs to sit on a flat surface - but beware of footsteps if used on the floor </li></ul><ul><li>Can be easily hidden </li></ul>
  • 18. Recording sound <ul><li>Sound picked up by mics can be very different to what you hear through you ears </li></ul><ul><li>Monitor everything </li></ul><ul><li>Use good quality headphones </li></ul><ul><li>Monitor LOUD </li></ul><ul><li>Playback everything </li></ul><ul><li>Use the meters </li></ul>
  • 19. Recording sound <ul><li>Listen before you start </li></ul><ul><li>Clap your hands </li></ul><ul><li>Identify potential problems </li></ul><ul><li>Make sure you understand the shot and the whole scene </li></ul><ul><li>Think about continuity </li></ul><ul><li>Choose microphone(s) </li></ul>
  • 20. Recording sound <ul><li>Insist on access to the camera </li></ul><ul><li>Check the switching </li></ul><ul><li>Always record two channels </li></ul><ul><li>Stereo can only be recorded using two microphone </li></ul><ul><li>Do not use AGC </li></ul>
  • 21. Recording sound <ul><li>Don’t forget to record wild track on every location (even if it sounds quiet) </li></ul><ul><li>If there are unavoidable extraneous noises make sure their source is shown </li></ul>
  • 22. Post-production Sound <ul><li>Keep all sound with video when editing </li></ul><ul><li>Don’t be afraid of using multiple audio tracks </li></ul><ul><li>Keep the most important tracks at the top </li></ul><ul><li>Do not worry too much about levels at first </li></ul><ul><li>If using two cameras use the clapper and time code to sync pictures </li></ul>
  • 23. Post-production Sound <ul><li>Do not finish sound using the computer speakers in the MMC </li></ul><ul><li>Add SFX and music to cover edits </li></ul><ul><li>Ensure foley and ADR matches original acoustics </li></ul><ul><li>Check audio LOUD in good quality </li></ul><ul><li>Ensure any ADR is on both channels </li></ul><ul><li>Use panning to produce a stereo soundtarck </li></ul>
  • 24.  

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