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Audio Production Principles
Introduction to Audio Production Principles
Lesson 1. Define theory of sound
Figure 1-2. Compression
Figure 1-5. Rarefactions and compressions combine into a "sound wave"
Figure 1-8. Sine waves
Figure 1-9. Wavelength
Learning Event 3: Describe Factors Affecting Sound Quality
Figure 1-12. Reflection of sound wave
Figure 1-13. Absorption of a sound wave
Figure 1-15. Sound traveling from air, to glass, to air
Figure 1-16. Diffraction of lower frequencies
Figure 1-17. Sound waves partially "out of phase"
Figure 1-18. Sound wave 180 "out of phase"
Learning Event 4: Use Sound Measurement
Percentage of Modulation
Practice Exercise - ss052450022
Answers to Practice Exercise - ss052450023
Lesson 2. Operate audio consoles and microphones
Learning Event 2: Use Audio Console
Controls - ss052450027
Gates Diplomat Audio Console
Learning Event 3: Describe Microphone Characteristics
Primary Microphone Characteristics.
Figure 2-22. Bidirectional pickup pattern
Figure 2-24. Unidirectional pickup pattern
Figure 2-25. Carbon microphone
Figure 2-26. Bimorph microphone
Figure 2-27. Dynamic microphone
Figure 2-28. Velocity (ribbon) microphone
Figure 2-29. Capacitor (condensor) microphone
Special Purpose Microphones.
Electret Condenser Microphone (Lavalier).
Figure 2-30. Patch panel
Safety Precautions and Practices.
Practice Exercise - ss052450043
Answers to Practice Exercise - ss052450044
Lesson 3. Operate turntables and audiotape recorder/reproducers.
Operator's maintenance of a turntable
Learning Event 2: Identify Parts of Audiotape Recorder/Reproducer
Figure 3-31. Tape transport
Figure 3-32. Basic operation of recording or reproducing head
Figure 3-33. Bias current applied to audio signal
Figure 3-34. Reproduce head gap showing an audio signal and bias current combined on the tape
Learning Event 3: Operate Reel-to-Reel Recorder
Operator's maintenance of reel-to-reel recorder/reproducer
Learning Event 4: Operate Audiotape Cartridge and Cassette Units
All professional recorder/reproducer units have five controls that regulate tape motion.
Operator's maintenance of audiotape cartridge and cassette units
Practice Exercise - ss052450058
Practice Exercise (cont) - ss052450059
Answers to Practice Exercise - ss052450060
Lesson 4. Edit, splice, and duplicate audiotape
Learning Event 2: Edit and Splice Formats
Editing connected speech.
Word inflection problems.
Learning Event 3: Use the Limits of Hearing in Editing
Persistence of hearing
Effects of editing too closely.
Figure 4-35. The EdiTall tape editor
Figure 4-36. Examples of how NOT to splice tape
Learning Event 5: Store and Handle Records and Tape
Learning Event 5: Store and Handle Records and Tape (Cont)
Practice Exercise - ss052450075
Practice Exercise (Cont) - ss052450076
Answers to Practice Exercise - ss052450077
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