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AfriBED: a Speech Recognition Bias Evaluation Dataset for Low Resource African Languages

Claytone Sikasote, Hussein Suleman, Jan Buys · 2026 · arXiv (Cornell University)

DOI: 10.48550/arxiv.2610.26821 · cited by 0 works (OpenAlex) · open-access PDF

Japanese

現行のシステムは、自動言語認識システム(ASR)の進歩にもかかわらず、スピーカー属性偏見を示す、すなわち、彼らのスピーカー認知パフォーマンスは、その性別、アクセント、およびスピーカータイプなどの特定のスピーカーに基づいて偏見されています。しかし、現在のシステムでは、ASRシステム内のスピーカー属性偏見を正確に評価するには、ASRシステムの比較可能なサブグループ間のスピーカー属性のスピーカー属性の偏見を含む偏見評価データセットの可用性を必要とします。この論文では、アフリベッド(AfriBED)は、低リソースのアフリカ語の2つの新しいスピーカー属性偏見評価データセット、BembaとNyanjaの

Machine translation (Meta M2M100); the English original follows.

Abstract

Despite advancements in automatic speech recognition systems (ASR), current systems exhibit speaker-attribute bias, i.e., their speech recognition performance is biased against certain speakers based on their demographic attributes such as gender, accents, and speaker type. However, accurately assessing speaker attribute bias in a given ASR system requires the availability of a bias evaluation dataset with comparable speech across subgroups of a speaker attribute. In this paper, we introduce African speech Bias Evaluation Dataset (AfriBED), a novel speech recognition bias evaluation dataset for two low resource African languages, Bemba and Nyanja, to detect and estimate gender and speaker-type bias for ASR systems. The dataset comprises 9 hours of speech with 3928 utterances recorded by 80 speakers for Bemba, while the Nyanja set includes 6260 utterances with approximately 18 hours of speech recorded by 127 speakers. The results of our baseline experiments demonstrate that the datasets are useful for examining gender and speaker-type attribute bias in the target languages.

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Topics: Computer science, Speech recognition, Set (abstract data type), Speaker recognition, Voice activity detection, Speech processing

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