AUDIO NOTES: REFOCUSClarifying and focusing our studies for the Unit Three Test!

ACOUSTICS

• Live room vs. Dead room• What type of room is Terlecki’s room with a full class of students?• What type of room is Terlecki’s room with no students?

• What makes a room Live or Dead?

• What kind of materials absorb sound?• Soft materials

• i.e.: Styrofoam, spray foam, people

• What kind of matertials reflect sound?• Hard materials

• i.e.: tile floor, desks, wood, metal, block

MICROPHONES

• What are the four parts that make up a microphone?• Diaphragm• Metal Coil• Magnet Generating Element• Backplate

• Classifying mics• Type: Ceramic, Dynamic, Ribbon, Condensor, PZM• Pickup Pattern: Omnidirectional, Directional• Mic Mount: Table Stand, Floor Stand, Boom, Handheld• You can be specific

• i.e.: An omnidirectional, ribbon, boom mic

TYPES OF MICS

• Ceramic/Crystal• Cheap• Not for important audio/video• Where do you see this daily?

• Dynamic• Tough/Durable• Where do you see this most

often?

• Ribbon• Expensive• Fragile/Sensitive• Where do you see this most

often?

Activity• Make a decision as a station

manager:• You send a reporter into the field.

You have to give them one of these three mics to use.

• On a separate piece of paper, pick one and give three reasons that you would pick that mic for use outdoors.

• You can reference your notes.

CONDENSER MIC AND DRESSING

• Condenser Mic• Where do we see this most often?• How do we dress these appropriately?

PICKUP PATTERNS ANDSOUND PERSPECTIVE

• Omnidirectional• Picks up audio all around the mic

• Directional• Picks up audio in a specific pattern

• Sound Perspective• Making the audio sound like it is coming from where it’s supposed to come

from.• i.e.: Surround Sound

IMPEDENCE

• What does it mean to “impede” someone or something?• To block, interfere, or stop• Think about a race…

IMPEDANCE CONTINUED

• Now think about a cross country race…

THE REST…

• Look over microphone suggestions…

• Know the jobs of the audio booth equipment• Audio Console• Video Monitor

• Know what lines around a cable plug mean.• One line: Mono Cable• Two lines: Stereo Cable• Three plus lines: Stereo and Mic Cable

• Editing in Garageband• Know all of the editing process in Garageband

• If you need it, go watch the videos on the website!