EventTrojan: Manipulating Non-Intrusive Speech Quality Assessment via Imperceptible Events

Fuente: arXiv
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Main Authors: Ren, Ying, Shen, Kailai, Ye, Zhe, Yan, Diqun
Format: Preprint
Published: 2023
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author Ren, Ying
Shen, Kailai
Ye, Zhe
Yan, Diqun
author_facet Ren, Ying
Shen, Kailai
Ye, Zhe
Yan, Diqun
contents Non-Intrusive speech quality assessment (NISQA) has gained significant attention for predicting speech's mean opinion score (MOS) without requiring the reference speech. Researchers have gradually started to apply NISQA to various practical scenarios. However, little attention has been paid to the security of NISQA models. Backdoor attacks represent the most serious threat to deep neural networks (DNNs) due to the fact that backdoors possess a very high attack success rate once embedded. However, existing backdoor attacks assume that the attacker actively feeds samples containing triggers into the model during the inference phase. This is not adapted to the specific scenario of NISQA. And current backdoor attacks on regression tasks lack an objective metric to measure the attack performance. To address these issues, we propose a novel backdoor triggering approach (EventTrojan) that utilizes an event during the usage of the NISQA model as a trigger. Moreover, we innovatively provide an objective metric for backdoor attacks on regression tasks. Extensive experiments on four benchmark datasets demonstrate the effectiveness of the EventTrojan attack. Besides, it also has good resistance to several defense methods.
format Preprint
id arxiv_https___arxiv_org_abs_2309_01480
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle EventTrojan: Manipulating Non-Intrusive Speech Quality Assessment via Imperceptible Events
Ren, Ying
Shen, Kailai
Ye, Zhe
Yan, Diqun
Sound
Artificial Intelligence
Audio and Speech Processing
Non-Intrusive speech quality assessment (NISQA) has gained significant attention for predicting speech's mean opinion score (MOS) without requiring the reference speech. Researchers have gradually started to apply NISQA to various practical scenarios. However, little attention has been paid to the security of NISQA models. Backdoor attacks represent the most serious threat to deep neural networks (DNNs) due to the fact that backdoors possess a very high attack success rate once embedded. However, existing backdoor attacks assume that the attacker actively feeds samples containing triggers into the model during the inference phase. This is not adapted to the specific scenario of NISQA. And current backdoor attacks on regression tasks lack an objective metric to measure the attack performance. To address these issues, we propose a novel backdoor triggering approach (EventTrojan) that utilizes an event during the usage of the NISQA model as a trigger. Moreover, we innovatively provide an objective metric for backdoor attacks on regression tasks. Extensive experiments on four benchmark datasets demonstrate the effectiveness of the EventTrojan attack. Besides, it also has good resistance to several defense methods.
title EventTrojan: Manipulating Non-Intrusive Speech Quality Assessment via Imperceptible Events
topic Sound
Artificial Intelligence
Audio and Speech Processing
url https://arxiv.org/abs/2309.01480