HYBRID CONSTANT DIRECTIVITY HORN

Cinanni D. HYBRID CONSTANT DIRECTIVITY HORN. In: AES Convention 148. Audio Engineering Society; 2020. Paper 10336. Available from: https://aes.org/publications/elibrary-page/?id=20753

@inproceedings{Cinanni2020_20753,
  author = {Cinanni, Dario},
  title = {{HYBRID CONSTANT DIRECTIVITY HORN}},
  booktitle = {AES Convention 148},
  note = {Paper 10336},
  year = {2020},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=20753}
}

TY  - CPAPER
TI  - HYBRID CONSTANT DIRECTIVITY HORN
AU  - Cinanni, Dario
T2  - AES Convention 148
M1  - Paper 10336
PY  - 2020
DA  - 2020/05/06
UR  - https://aes.org/publications/elibrary-page/?id=20753
PB  - Audio Engineering Society
LA  - en
AB  - A new horns family is presented, the Hybrid Constant Directivity (HCD), investigating some practical aspects of constant directivity design through physical and FEA 3D prototypes. Horn driver SPL simulations are conducted using a method already presented to the scientific community and here improved, lead to a minimum mismatch between horn simulations and measurements. A detailed directivity and numerical match of the beam-width are examined with a direct SPL comparison among exponential, tractrix and spherical expansions. Then, horns aspect ratio is changed obtaining HCD elliptical and rectangular mouth horns referenced and correlated to the circular one SPL simulation. Also wave-front shapes, mouth diffraction effects and radiation impedances are analyzed. Finally, the mathematical model for calculating HCD horns is disclosed.
ER  -