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Capturing quality sound on location is one of the greatest challenges student filmmakers face. The public will forgive bad video but not bad sound. This presentation is intended to give high school students a general overview of the equipment and challenges inherent in capturing sound in the field.
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Location Audio for Film
Prepared by: John GraceFilm Instructor, DATA Charter HSMember of IATSE Local 480Albuquerque, NM
Location Audio Systems
• There are 2 Types of Location Audio Acquisition in Film Production : Single System – The audio is recorded
on the same medium as the visuals - ie: on a camcorder – max 16 bit.
Dual-System (aka Double System) – The audio is recorded separately from the visuals on a secondary device. This type of recording requires that the two sources be synchronized and linked in post production – max 24 bit.
Location Audio – Single System
• Typically, these are Camcorders with External Microphone Inputs
Location Audio – Dual System
• Dual Systems usually feature Digital Cinema or Film Cameras
Location Audio Systems
• In Dual System, we synchronize the audio with the picture with a Slate:
Location Audio Systems
• In Dual System, we synchronize the audio with the picture with a Slate:
Location Audio Systems
• In Dual System, we synchronize the audio with the picture with a Slate:
Location Audio – Positions
• Mixer (AKA Recordist)
Location Audio – Positions
• 1st Assistant (Boomer)
Location Audio – Positions
• 2nd Assistant (Utility)
Location Audio - History
• Vitaphone and Photophone Recorders Single system Optical recorders record on film Large and heavy Very expensive Poor sound quality 1930’s and 1940’s
Location Audio - History
• Fantasound Recorder Double system Optical playback in theaters 3-4 channel sound Made for Fantasia Good sound quality Throughout 1940’s
Location Audio - History
• Nagra Reel to Reel Recorders Monaural (single track) recording ¼” Tape on 5” or 7” reels at 7.5-15 IPS Popular from the 1950’s through the 1990’s Fairly expensive
Location Audio - History
• Tascam DA-P1 DAT Recorder 2 channel recorder External recording to DAT Tapes No time code
Location Audio Current Devices
• Fostex PD4 DAT Recorder 6 channel recorder 6 channel mixer External backup to DAT Tapes Internal 60GB HDR Time code I/O
Location Audio Current Devices
• Zoom R8 SDHC Recorder Recording to SDHC Cards 2 channel recorder 8 channel mixer No time code
Location Audio Current Devices
• Deva 16 Recorder by Zaxcom 16 channel recorder 16 channel mixer Time code generator External backup to Compact Flash Media Internal HDR
Location Audio Current Devices
• Zoom H4N Field Recorder 4 channel recorder 4 channel mixer Records to SD Cards Low Price ($269. List) Ideal for DSLR’s
Location Audio Current Devices
• Current Popular Brands Lectrosonics – Top of the Line Wireless Kits
Location Audio Current Devices
• Current Popular Brands Sennheiser – Wireless Lavs and Shotguns
Location Audio Current Devices
• Current Popular Brands Shure – Wireless Lavs and Field Mixers
Location Audio Current Devices
• Current Popular Brands Azden – Low priced Shotguns and Wireless
Location Audio Current Devices
• Current Popular Brands Audio Technica – Wireless & Headphones
Location Audio Current Devices
• Current Popular Brands Wireless Lavs – UHF or VHF? VHF is Very High Frequency and
wireless transceivers operating on this band often have problems with RF (Radio Frequency) interference
UHF is Ulta High Frequency and is less susceptible to RF interference from power lines, walkie talkies, radio stations and the like
Location Audio - Mixer Cart
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
• UHF Wireless TunersUHF Wireless Tuners
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
• UHF Wireless TunersUHF Wireless Tuners
• HDR Backup RecorderHDR Backup Recorder
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
• UHF Wireless TunersUHF Wireless Tuners
• HDR Backup RecorderHDR Backup Recorder
• Camera #1 MonitorCamera #1 Monitor
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
• UHF Wireless TunersUHF Wireless Tuners
• HDR Backup RecorderHDR Backup Recorder
• Camera #1 MonitorCamera #1 Monitor
• Computer MonitorComputer Monitor
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
• UHF Wireless TunersUHF Wireless Tuners
• HDR Backup RecorderHDR Backup Recorder
• Camera #1 MonitorCamera #1 Monitor
• Computer MonitorComputer Monitor
• Camera #2 MonitorCamera #2 Monitor
Location Audio - Mixer Cart
• UHF Wireless ReceiversUHF Wireless Receivers
• UHF Wireless TunersUHF Wireless Tuners
• HDR Backup Recorder HDR Backup Recorder
• Camera #1 MonitorCamera #1 Monitor
• Computer MonitorComputer Monitor
• Camera #2 MonitorCamera #2 Monitor
• 8 Channel Mixer8 Channel Mixer
Location Audio Acquisition
• Priorities: Priorities: • Recording Clean DialogueRecording Clean Dialogue
Location Audio Acquisition
• Priorities: Priorities: • Recording Clean Dialogue Recording Clean Dialogue
• Inverse Square Law as it applies to Sound:Inverse Square Law as it applies to Sound:““Halving the distance between mic and the sound Halving the distance between mic and the sound
sourcesource quadruples the usability of the soundquadruples the usability of the sound”
Location Audio Acquisition
• Priorities: Priorities: • Capturing Room ToneCapturing Room Tone
Location Audio Acquisition
• Priorities: Priorities: • Capturing Room ToneCapturing Room Tone
Location Audio Acquisition
• Priorities: Priorities: • Capturing Location Sound EFXCapturing Location Sound EFX
Location Audio Acquisition
• Priorities: Priorities: • Capturing Location Sound EFXCapturing Location Sound EFX
Location Audio Acquisition
• Priorities: Priorities: • Minimizing Background NoiseMinimizing Background Noise
Location Audio Acquisition
• Priorities: Priorities: • Minimizing Background NoiseMinimizing Background Noise
• Furniture (furnie) pads
Location Audio Acquisition
• Priorities: Priorities: • Utilizing Various MicrophonesUtilizing Various Microphones
Location Audio Acquisition
• Priorities: Priorities: • Utilizing Various MicrophonesUtilizing Various Microphones
Location Audio Acquisition
• Priorities: Priorities: • Utilizing Various MicrophonesUtilizing Various Microphones
Location Audio Acquisition
• Priorities: Priorities: • Utilizing Various MicrophonesUtilizing Various Microphones
Location Audio Acquisition
• Priorities: Priorities: • Utilizing Various MicrophonesUtilizing Various Microphones
Shotgun – Directional
Location Audio Acquisition
• Priorities: Priorities: • Utilizing Various MicrophonesUtilizing Various Microphones
Lavaliere – Omni-directional
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • Lavaliere MicrophoneLavaliere Microphone
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • Wireless TransmitterWireless Transmitter
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • Wireless ReceiverWireless Receiver
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • XLR Transmitter (“Butt Plug”)XLR Transmitter (“Butt Plug”)
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • Mini Plug Input CableMini Plug Input Cable
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • XLR Plug Input CableXLR Plug Input Cable
Location Audio Acquisition
• Items in a Wireless Lavaliere Package: Items in a Wireless Lavaliere Package: • Camera MountCamera Mount
Location Audio Acquisition
• Items in a Shotgun Package: Items in a Shotgun Package: • Boom Pole (fish pole)Boom Pole (fish pole)
Location Audio Acquisition
• Items in a Shotgun Package: Items in a Shotgun Package: • Rycote Softie (dead cat)Rycote Softie (dead cat)
Location Audio Acquisition
• Items in a Shotgun Package: Items in a Shotgun Package: • Shotgun MicrophoneShotgun Microphone
Location Audio Acquisition
• Items in a Shotgun Package: Items in a Shotgun Package: • XLR CableXLR Cable
Location Audio Acquisition
• Items in a Shotgun Package: Items in a Shotgun Package: • Suspension MountSuspension Mount
Location Audio Acquisition
• Items in a Shotgun Package: Items in a Shotgun Package: • Camera MountCamera Mount
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
• DogsDogs
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
• DogsDogs
• PlanesPlanes
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
• DogsDogs
• PlanesPlanes
• TrainsTrains
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
• DogsDogs
• PlanesPlanes
• TrainsTrains
• CarsCars
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
• DogsDogs
• PlanesPlanes
• TrainsTrains
• CarsCars
• SirensSirens
Location Audio Acquisition
• Challenges to Capturing Quality Sound: Challenges to Capturing Quality Sound: • KidsKids
• DogsDogs
• PlanesPlanes
• TrainsTrains
• CarsCars
• SirensSirens
• ToolsTools
Location Audio Acquisition
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