HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Journal articles

Model and estimation method for predicting the sound radiated by a horn loudspeaker – With application to a car horn

Résumé : This paper deals with a new car horn device made of a sound synthesizer and an electrodynamic horn loudspeaker. It presents an one-dimensional model allowing to predict the loudspeaker efficiency and a specific method to estimate experimentally the model parameters. First, this model aims at reducing the time spent in the design process. Second it aims at correcting the sound emitted by the sound synthesizer in order that the listener hears the sound designed for creating the warning message. The study gives a survey of the vast loudspeaker literature. It is based on the conventional electroacoustic approach used for electrodynamic loudspeakers and on wave propagation models used for characterizing acoustic horns. The estimation of the model parameter values is performed using measurements of the electrical impedance of the loudspeaker and of the acoustic impedance of the horn. The model is assessed by comparing the calculated and measured electrical impedances and horn efficiencies. Results show that the model predicts well the horn efficiency up to 2500 Hz, the limitation being due to the horn radiation impedance modelization.
Document type :
Journal articles
Complete list of metadata

https://hal.archives-ouvertes.fr/hal-01877776
Contributor : Bruno Gazengel Connect in order to contact the contributor
Submitted on : Thursday, September 20, 2018 - 12:25:47 PM
Last modification on : Saturday, April 17, 2021 - 3:17:53 AM

Links full text

Identifiers

Collections

Citation

Guillaume Lemaître, Boris Letinturier, Bruno Gazengel. Model and estimation method for predicting the sound radiated by a horn loudspeaker – With application to a car horn. Applied Acoustics, Elsevier, 2008, 69 (1), pp.47 - 59. ⟨10.1016/j.apacoust.2006.10.005⟩. ⟨hal-01877776⟩

Share

Metrics

Record views

134