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Main Spatialization Algorithms

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Quiz: Spatialization Technologies Quiz

1. Families of spatialization algorithms
5

The algorithm families are:
- The law of the first wavefront
- Spatial virtualization on two channels
- Amplitude or intensity panning techniques
- Acoustic field reconstruction/simulation technologies
- Localization cues
2. Acoustic field reconstruction
4

Check the correct statements.
- HOA (High Order Ambisonics) reproduces the acoustic field radiated by a source.
- WFS (Wave Field Synthesis) reproduces the acoustic field radiated by a source.
- WFS (Wave Field Synthesis) reproduces the acoustic field perceived by a listener.
- HOA (High Order Ambisonics) reproduces the acoustic field perceived by a listener.
3. Amplitude panning
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Amplitude panning is based on a gain difference of a signal:
- across exactly two loudspeakers only.
- across a minimum of two loudspeakers.
4. Spatial virtualization on two channels
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Spatial virtualization on two channels such as Binaural is based
- on filtering related to the shape of the head.
- mainly on the difference in sound level between two loudspeakers.
5. Spatial positioning
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Sound sources and loudspeakers
- are positioned relative to the loudspeaker farthest from the sweet-spot.
- are positioned using an angular coordinate system centered on the sweet-spot with coordinates a (azimuth), e (elevation) and d (distance).
- are positioned using a Cartesian coordinate system centered on the sweet-spot with x, y and z coordinates.
- are positioned solely based on their distance from the sweet-spot.