Efficiency Investigation of Subwoofer Driven Around Resonance Frequency

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2017Researchpeer-review

Standard

Efficiency Investigation of Subwoofer Driven Around Resonance Frequency. / Thydal, Tobias; Iversen, Niels Elkjær; Knott, Arnold.

Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society, 2017.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2017Researchpeer-review

Harvard

Thydal, T, Iversen, NE & Knott, A 2017, Efficiency Investigation of Subwoofer Driven Around Resonance Frequency. in Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society, 142nd Audio Engineering Society Convention, Berlin, Germany, 20/05/2017.

APA

Thydal, T., Iversen, N. E., & Knott, A. (2017). Efficiency Investigation of Subwoofer Driven Around Resonance Frequency. In Proceedings of the 142nd Audio Engineering Convention Convention Audio Engineering Society.

CBE

Thydal T, Iversen NE, Knott A. 2017. Efficiency Investigation of Subwoofer Driven Around Resonance Frequency. In Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society.

MLA

Thydal, Tobias, Niels Elkjær Iversen, and Arnold Knott "Efficiency Investigation of Subwoofer Driven Around Resonance Frequency". Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society. 2017.

Vancouver

Thydal T, Iversen NE, Knott A. Efficiency Investigation of Subwoofer Driven Around Resonance Frequency. In Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society. 2017

Author

Thydal, Tobias ; Iversen, Niels Elkjær ; Knott, Arnold. / Efficiency Investigation of Subwoofer Driven Around Resonance Frequency. Proceedings of the 142nd Audio Engineering Convention Convention. Audio Engineering Society, 2017.

Bibtex

@inproceedings{2df71724c264478ca84ca728ee5f4090,
title = "Efficiency Investigation of Subwoofer Driven Around Resonance Frequency",
abstract = "The need for efficient portable speaker systems has increased tremendously over the past 10 years. The batteries, amplifiers and filtering has all seen great improvements in efficiency leaving the speakers units as the most inefficient part of the system, mainly due to the large amounts of current drawn that ends up being dissipated as heat in the voice coil. This paper will look at how you can design a speaker system to take advantage of the resonance of a speaker unit, since that is where the unit is most efficient and draws the least current. A subwoofer speaker system will be designed with focus on only driving the speaker units near their resonance frequency. The tests found that with modern DSP it was rather simple to design a speaker system that operate in a very narrowfrequency band around the speaker units’ resonance frequencies, which in turn ensured a very small current draw. This greatest drawback of this method is the increase in components needed, which drives up cost and complexity.",
author = "Tobias Thydal and Iversen, {Niels Elkj{\ae}r} and Arnold Knott",
year = "2017",
language = "English",
booktitle = "Proceedings of the 142nd Audio Engineering Convention Convention",
publisher = "Audio Engineering Society",

}

RIS

TY - GEN

T1 - Efficiency Investigation of Subwoofer Driven Around Resonance Frequency

AU - Thydal, Tobias

AU - Iversen, Niels Elkjær

AU - Knott, Arnold

PY - 2017

Y1 - 2017

N2 - The need for efficient portable speaker systems has increased tremendously over the past 10 years. The batteries, amplifiers and filtering has all seen great improvements in efficiency leaving the speakers units as the most inefficient part of the system, mainly due to the large amounts of current drawn that ends up being dissipated as heat in the voice coil. This paper will look at how you can design a speaker system to take advantage of the resonance of a speaker unit, since that is where the unit is most efficient and draws the least current. A subwoofer speaker system will be designed with focus on only driving the speaker units near their resonance frequency. The tests found that with modern DSP it was rather simple to design a speaker system that operate in a very narrowfrequency band around the speaker units’ resonance frequencies, which in turn ensured a very small current draw. This greatest drawback of this method is the increase in components needed, which drives up cost and complexity.

AB - The need for efficient portable speaker systems has increased tremendously over the past 10 years. The batteries, amplifiers and filtering has all seen great improvements in efficiency leaving the speakers units as the most inefficient part of the system, mainly due to the large amounts of current drawn that ends up being dissipated as heat in the voice coil. This paper will look at how you can design a speaker system to take advantage of the resonance of a speaker unit, since that is where the unit is most efficient and draws the least current. A subwoofer speaker system will be designed with focus on only driving the speaker units near their resonance frequency. The tests found that with modern DSP it was rather simple to design a speaker system that operate in a very narrowfrequency band around the speaker units’ resonance frequencies, which in turn ensured a very small current draw. This greatest drawback of this method is the increase in components needed, which drives up cost and complexity.

M3 - Article in proceedings

BT - Proceedings of the 142nd Audio Engineering Convention Convention

PB - Audio Engineering Society

ER -