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Acoustics and Psychoacoustics, 4th Edition by Jamie Angus, David Howard

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Appendix 6: The Effect of Speaker Size on its Polar Pattern

Chapter Contents

A6.1   An Array of Point Sources

A6.1.1  The visible region

A6.1.2  The effect of sampling

A6.1.3  The effect of a progressive phase shift

A6.2   Application to Diffuser Design

A6.3   Application to Array Loudspeakers

A6.3.1  Acoustic spatial filtering

A6.4   Application to Constant Directivity Horns

A6.5   The Effect of Mouth, or Array, Size on Beamwidth

A6.5.1  The minimum beamwidth frequency as a function of size

References

Further Reading

In order to understand how the properties of sequences, or the size of a loudspeaker, affect polar performance we must first look at some theory behind array polar patterns.

A6.1  An Array of Point Sources

Consider an evenly spaced, ...

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