Surround Sound

30 Questions
Sound Quizzes & Trivia

Surround Sound Quiz for Eric. :-)

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Questions and Answers
  • 1. 
    • A. 

      A 10.2 system which will filter out LF signals from the LFE to the BQE

    • B. 

      A 7.1 system with two LFE channels

    • C. 

      A crossover system that directs low frequency signals into the LFE

    • D. 

      A LFE system which will not allow low frequencies to get to the LFE

    • E. 

      None of the Above

  • 2. 
    What movie was the first theatrical surround sound release?
    • A. 

      Sound of Music

    • B. 

      Star Wars

    • C. 

      Jaws

    • D. 

      Fantasia

    • E. 

      North by Northwest

  • 3. 
    AC-3 coding is commonly referred to as:
    • A. 

      SDDS

    • B. 

      Pro Logic BJ

    • C. 

      DTS AH

    • D. 

      Dolby Digital

    • E. 

      MP3

  • 4. 
    Explain why the LFE channel is represented by .1
    • A. 

      Because the LFE only plays low frequencies as appropriated via channel locks

    • B. 

      Because the sample rate for this channel is only a fraction of the sampling rate of the principal channels - Nyquist Theorem

    • C. 

      It is borrowed from the web industry which first used an LFE and called it .1

    • D. 

      Because the LFE channel plays through a subwoofer which can be placed anywhere due to the omnidirectional properties of low frequencies - Nialist Theorem

    • E. 

      Because 5.1 sounds cooler than 6

  • 5. 
    How does a Dipole speaker differ from a Direct Radiator speaker?
    • A. 

      They are always smaller than Direct Radiator speakers

    • B. 

      Feeds the same signal in phase in two directions

    • C. 

      Feeds the same signal out of phase in one direction

    • D. 

      Feeds the same signal out of phase in two directions

    • E. 

      There is no discernible difference

  • 6. 
    DVD-A is
    • A. 

      Digital Video Disc - A

    • B. 

      Digital Video Disc - Alternative

    • C. 

      Digital Compact Video Standard

    • D. 

      An MPEG standard for DVD

    • E. 

      An audio standard for DVDs

  • 7. 
    What is downmixing?
    • A. 

      The process of summing multichannel mixes (5.1) into stereo

    • B. 

      The process of summing stereo mixes into multichannel mixes (5.2)

    • C. 

      The process of splitting multichannel mixes (5.1) into mono stems

    • D. 

      The process of summing mono tracks into a multichannel mix (5.1)

  • 8. 
    HRTF stands for
    • A. 

      Head related transfer function

    • B. 

      Helical related timbre fourier

    • C. 

      Head related timbre function

    • D. 

      Head reacting transfer fourier

    • E. 

      Helical relayed timbre foundation

  • 9. 
    A surround array refers to:
    • A. 

      The size of the sweet spot

    • B. 

      The addition of extra surround speakers to fill the back end of an acoustic space (theater)

    • C. 

      The soundspace encompassed by the 5 speakers

    • D. 

      A mixing style for 5.1

    • E. 

      None of the above

  • 10. 
    SACD uses what digital binary encoding method?
    • A. 

      DSD

    • B. 

      PCM

    • C. 

      LPCM

    • D. 

      WAV

    • E. 

      AC-3

  • 11. 
    The LFE is defined as:
    • A. 

      Low Fact Effect

    • B. 

      Low Frequency Effect

    • C. 

      Left Fader Equalizer

    • D. 

      Lower Fader Equalizer

    • E. 

      None of the above

  • 12. 
    What is the difference between Dolby Digital and Dolby Pro Logic?
    • A. 

      Dolby Digital is Matrixed and Pro Logic is Discrete surround

    • B. 

      Dolby Digital is Discrete and Pro Logic is Matrixed surround

    • C. 

      Dolby Digital is not available in home theater systems

    • D. 

      Dolby Pro Logic is not available in home theater systems

  • 13. 
    The Dolby Digital (AC-3) surround standard utilizes how many tracks?
    • A. 

      2

    • B. 

      8

    • C. 

      7

    • D. 

      4

    • E. 

      6

  • 14. 
    Why were bit reduction schemes developed for 5.1?
    • A. 

      To prevent buffer underruns

    • B. 

      You can't have lossless multichannel

    • C. 

      Digital audio sounds better when compressed

    • D. 

      Smpte committee members needed some new jargon

    • E. 

      Not enough room on available media formats to store multichannel outputs

  • 15. 
    Dipole speakers:
    • A. 

      Radiate sound in 1 direction out of phase

    • B. 

      Radiate sound in 2 directions out of phase

    • C. 

      Radiate sound in 2 directions in phase

    • D. 

      Are used exclusively in movie theaters

  • 16. 
    What is Upmixing?
    • A. 

      The process of printing a surround mix

    • B. 

      The process of authoring a DVD

    • C. 

      Creating a mono or stereo master from a Surround mix

    • D. 

      Creating a Surround mix from a mono or stereo master

    • E. 

      None of the above

  • 17. 
    Divergence can be very simply described as:
    • A. 

      A pan control for surround panning

    • B. 

      A width control for surround panning

    • C. 

      A width control for stereo panning

    • D. 

      Avoiding the .1 channel

    • E. 

      None of the above

  • 18. 
    A 6.1 system utilizes how many surround speakers?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      7

    • E. 

      6

  • 19. 
    After Mixing the 5.1 mix, it is usually dropped to what type of medium before encoding?
    • A. 

      Any of the below

    • B. 

      DA-88

    • C. 

      Hard Disk Recorder

    • D. 

      2' Analog

    • E. 

      ADAT

  • 20. 
    In the Pro Tools Surround Panner, a Center percentage of 100% will feed how much signal to the Left and Right channel?
    • A. 

      50%

    • B. 

      100%

    • C. 

      0%

    • D. 

      200%

  • 21. 
    Where are the extra 2 speakers in a 7.1 surround setup placed?
    • A. 

      On top of the meter bridge

    • B. 

      Between the ls and L speakers and the Rs and R speakers

    • C. 

      Between the Ls and Cs speakers and the Rs and Cs speakers

    • D. 

      Between the L and C speakers and the R and C speakers

    • E. 

      None of the Above

  • 22. 
    Pro-Tools has default settings in the New Session Dialog that Are:  (NO RIGHT ANSWER!)
    • A. 

      Film (Pro-Tools Standard) L C R Ls Rs LFE

    • B. 

      SMPTE/ITU (Control 24 Monitoring) L R C LFE Ls Rs

    • C. 

      DTS (Pro Control Monitoring) L R Ls Rs C LFE

    • D. 

      All of the Above

    • E. 

      None of the Above

  • 23. 
    Signal routing choices are defined and edited in what Pro-tools dialog section?
    • A. 

      Session Set-up dialog

    • B. 

      Automation Configure Dialog

    • C. 

      I/O Set-Up Dialog

    • D. 

      Strip Silence Dialog

  • 24. 
    The Surround Panning Grid only appears when...
    • A. 

      Auto Write On Stop is used in connection with the I/O dialog

    • B. 

      Summer Solstice

    • C. 

      The Relative Write Mode is enabled

    • D. 

      A Mono or Stereo channel is routed to a Surround Output Path

  • 25. 
    Protools has the capacity for:
    • A. 

      Stereo

    • B. 

      Quad

    • C. 

      5.1

    • D. 

      7.1

    • E. 

      All of the Above

  • 26. 
    True or False: LFE and sub are the same thing?
    • A. 

      True

    • B. 

      False

  • 27. 
    Lt/Rt stand for:
    • A. 

      Left Total/Right Total

    • B. 

      Left Track/Right Track

    • C. 

      Left Trim/Right Trim

    • D. 

      Left Turn/Right Turn

  • 28. 
    LCRS stands for:
    • A. 

      Left, Center, Right, Sub

    • B. 

      Left, center, Right, System

    • C. 

      Left, Center, Right, Surround

  • 29. 
    True or False: DVD-V (video) can contain both an AC-3 and a DTS encoded surround mix
    • A. 

      True

    • B. 

      False

  • 30. 
    True or False: Lossless codecs create smaller files than Lossy Codecs
    • A. 

      True

    • B. 

      False