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Key Audio terminology | |||||||||
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| Frequency Frequency is the number of waveforms generated in one second Human The average adult human audio range for hearing is between 20hz - 20Khz | ||||||||
| Amplitude How much the sound wave fluctuates up and down Files with smaller fluctuations will be softer and bigger fluctuations will be louder | ||||||||
| Sample Rate The higher the sample rate the more detail in the audio Film and TV use a sample rate of 48,000 Hz (48 kHz) CD's will generally use 44.1 kHz | ||||||||
| Bit Depth The higher the Bit Depth the greater the dynamic range = greater the amplitude range | ||||||||
Audio Levels | |||||||||
| -18 dB Minimum audio range for dialogue
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| -12 dB Average audio levels for dialogue
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| -6 dB Maximum audio range for dialogue
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| 0 dB - Distortion
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