dan coffey [email protected]

WEEK 7: AUDIO PRODUCTION
DIGITAL MEDIA E-5
EXPLORING DIGITAL MEDIA
DAN COFFEY
[email protected]
DSLRs & AUDIO
INTERNAL RECORDING VS EXTERNAL
OR
Image from http://33.media.tumblr.com/ and http://www.techtilt.com
MICROPHONES
MICROPHONE TRANSDUCER TYPES
COMPONENTS
Image from blog.hookeaudio.com
LAV MICROPHONE
Image from http://www.talamas.com
SHOTGUN MICROPHONE
Image from http://www.globalmediapro.com
HANDHELD MICROPHONE
Image from http://www.globalmediapro.com
PICKUP PATTERNS
Image from http://courvo.com/
PICKUP PATTERNS
Image from www.techwarelabs.com/
PHANTOM POWER
48V
Image from http://www.realtimeaudio.ca
PHANTOM POWER
Image from filmmakeriq.com
CABLES AND CONNECTORS
XLR
Image from http://kruff.student.ewweb.co.uk/
CABLES AND CONNECTORS
TRS
Image from http://www.quarternotestudio.com
UNBALANCED AUDIO
Image from http://www.ians-net.co.uk
BALANCED AUDIO
Image from http://www.ians-net.co.uk
WIRELESS
Image from static.bhphoto.com/
SAMPLE RATE
Image from https://3.bp.blogspot.com/-
COMMON SAMPLE RATES
•
•
CDs = 44.1 KHz
Pro video = 48 KHz
COMMON FILE FORMATS
LOSSLESS
COMPRESSION
LEVEL
MADE BY
WAV
YES
NONE
MICROSOFT /
IBM
AIFF
YES
NONE
APPLE
HIGH
FRAUNHOFER
INSTITUTE
MP3
NO
AAC
NO
HIGH
AT&T BELL LABORATORIES,
FRAUNHOFER IIS, DOLBY
LABORATORIES, SONY
CORPORATION AND NOKIA
WMA
NO
HIGH
MICROSOFT
SIGNAL TO NOISE RATIO
Sound Volume
vs
Noise Floor
Image from www.vettaville.nl/
PEAK VU METERS
Image from http://www.giangrandi.ch and https://lh5.ggpht.com/
AUDIO WAVEFORMS
Image from s3.amazonaws.com/
OVERMODULATION
Image from http://blog.wavosaur.com/
GETTING GOOD LEVELS
Image from http://i566.photobucket.com/
HIDING MICROPHONES
Image from video101course.com
FABRIC NOISE
Less Noisy
•
•
Cotton
Wool
More Noisy
•
•
Silks
Synthetics
MIC PLACEMENT
Images from http://i.ytimg.com/ and www.videomaker.com/ and https://www.gearslutz.com
MIC PLACEMENT
Image from https://www.gearslutz.com
SCRATCH PROTECTION
ZOOM RECORDER
WEEK 7: AUDIO PRODUCTION
DIGITAL MEDIA E-5
EXPLORING DIGITAL MEDIA
JASON FYRBERG