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In-room loudspeaker equalization requires a significant amount of microphone positions in order to characterize the sound field in the room. This can be a cumbersome task for the user. This paper proposes the use of artificial intelligence to automatically estimate and equalize, without user interaction, the in-room response. To learn the relationship between loudspeaker near-field response and total sound power, or energy average over the listening area, a neural network was trained using room measurement data. Loudspeaker near-field SPL at discrete frequencies was the input data to the neural network. The approach has been tested in a subwoofer, a full-range loudspeaker, and a TV. Results showed that the in-room sound field can be estimated within 1–2 dB average standard deviation.
Author (s): Celestinos, Adrian; Li, Yuan; Chin Lopez, Victor Manuel
Affiliation:
Samsung Research America, DMS Audio, Valencia CA, USA; Samsung Research Tijuana, Tijuana BC, Mexico
(See document for exact affiliation information.)
AES Convention: 151
Paper Number:10520
Publication Date:
2021-10-06
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Session subject:
Architectural Acoustics
Permalink: https://aes2.org/publications/elibrary-page/?id=21484
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Celestinos, Adrian; Li, Yuan; Chin Lopez, Victor Manuel; 2021; Automatic Loudspeaker Room Equalization Based On Sound Field Estimation with Artificial Intelligence Models [PDF]; Samsung Research America, DMS Audio, Valencia CA, USA; Samsung Research Tijuana, Tijuana BC, Mexico; Paper 10520; Available from: https://aes2.org/publications/elibrary-page/?id=21484
Celestinos, Adrian; Li, Yuan; Chin Lopez, Victor Manuel; Automatic Loudspeaker Room Equalization Based On Sound Field Estimation with Artificial Intelligence Models [PDF]; Samsung Research America, DMS Audio, Valencia CA, USA; Samsung Research Tijuana, Tijuana BC, Mexico; Paper 10520; 2021 Available: https://aes2.org/publications/elibrary-page/?id=21484
@article{celestinos2021automatic,
author={celestinos adrian and li yuan and chin lopez victor manuel},
journal={journal of the audio engineering society},
title={automatic loudspeaker room equalization based on sound field estimation with artificial intelligence models},
year={2021},
number={10520},
month={october},}