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33. Audio Files - R093: Creative iMedia in the Media Industry

Quiz by Keezir Ali

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10 questions
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  • Q1
    What is the primary function of an analog to digital converter in audio processing?
    To change analog sound into numerical data
    To amplify the sound
    To edit sound waves
    To lengthen the audio file
    30s
  • Q2
    What is the process of measuring amplitude at regular intervals in audio recording called?
    Modulation
    Quantization
    Compression
    Sampling
    30s
  • Q3
    What does 'bit depth' refer to in audio files?
    The length of the audio file
    The total number of samples taken
    The number of bits used to represent each sample
    The frequency of the audio signal
    30s
  • Q4
    Which audio format is known for being lossy and commonly used for streaming music?
    MP3
    AIFF
    FLAC
    WAV
    30s
  • Q5
    What sample rate is typically used for music recordings?
    22,050 Hertz
    44,100 Hertz
    96,000 Hertz
    48,000 Hertz
    30s
  • Q6
    What is the effect of increasing the bit depth in audio recording?
    It reduces audio quality
    It lowers the sample rate
    It decreases the file size
    It increases the precision of the audio representation
    30s
  • Q7
    Which format is described as lossless compressed, ideal for high-resolution audio?
    FLAC
    Vorbis
    MP3
    AAC
    30s
  • Q8
    What is one consequence of using a higher sample rate in audio recording?
    Lower audio quality
    Larger file size
    Smaller file size
    Faster processing time
    30s
  • Q9
    Which of the following is true about the audio format Vorbis?
    It is an open-source lossy compressed format
    It is a lossless format
    It is a proprietary format
    It is only compatible with Apple devices
    30s
  • Q10
    What does quantization do in the audio sampling process?
    Rounds sampled values to whole numbers
    Records audio at a higher frequency
    Compresses audio data
    Produces a larger file size
    30s

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