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A robust howling detection algorithm based on a statistical approach

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Abstract

This paper presents an algorithm for the detection of howlings that arise in audio signals. Our method is based on the combination of two energy-based features and one new feature related to the frequency stability of a howling component. The decision stage, which implies a Support Vector Machine (SVM) model, outputs a decision every 20 ms. The evaluation, carried out on a large database, showed that the algorithm is able to detect both pure and multiple tones howling in a wide range of energy. Furthermore, even on complex signals such as music, the detection is still efficient with very few false alarms.
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Dates and versions

hal-01100273 , version 1 (06-01-2015)

Identifiers

  • HAL Id : hal-01100273 , version 1

Cite

Joachim Flocon-Cholet, Julien Faure, Alexandre Guérin, Pascal Scalart. A robust howling detection algorithm based on a statistical approach. International Workshop on Acoustic Signal Enhancement (IWAENC), Sep 2014, Antibes, France. ⟨hal-01100273⟩
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