Challenge: Existing solutions to control speaker-related gender inflections in ST involve dedicated model retraining on gender-labeled data.
Approach: They propose to use a gender-based inference-time solution to control speaker-related gender inflections in ST by replacing the implicitly learned internal language model with gender-specific external LMs.
Outcome: The proposed approach outperforms the base models and the best training-time mitigation strategy by up to 31.0 and 1.6 points in gender accuracy, respectively, for feminine forms.

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Different Speech Translation Models Encode and Translate Speaker Gender Differently (2025.acl-short)

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Challenge: Recent studies on interpreting the hidden states of speech models have shown their ability to capture speaker-specific features, including gender.
Approach: They propose to use probing methods to assess gender encoding across ST models.
Outcome: The proposed models capture speaker-specific features, including gender, while older models do not . low gender encoding capabilities result in systems’ tendency toward a masculine default, a translation bias that is more pronounced in newer architectures.
Gender in Danger? Evaluating Speech Translation Technology on the MuST-SHE Corpus (2020.acl-main)

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Challenge: a growing number of studies have examined the issue of gender bias in speech translation . a gender bias is a systemic problem that reproduces gender stereotypes discriminating women.
Approach: They present the first thorough investigation of gender bias in speech translation . they compare audio technologies for English-Italian/French translations .
Outcome: The proposed method compares different technologies on two languages, English and French.
Breeding Gender-aware Direct Speech Translation Systems (2020.coling-main)

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Challenge: In automatic speech translation, traditional cascade approaches involving separate transcription and translation steps are giving ground to more robust direct solutions.
Approach: They compare different approaches to inform direct ST models about the speaker’s gender and test their ability to handle gender translation from English into Italian and French.
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Leveraging Pre-trained Language Models for Gender Debiasing (2022.lrec-1)

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Challenge: Existing methods to reduce gender bias in natural language are costly and time-consuming.
Approach: They propose a method to generate gender variants for a given text using pre-trained language models as the resource without any task-specific labelled data.
Outcome: The proposed method can reduce gender bias in a language generation context without a task-specific labelled data.
Getting Gender Right in Neural Machine Translation (D18-1)

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Challenge: linguistics studies show that the language used by males and females differs in terms of style and syntax.
Approach: They integrate gender information into NMT systems to improve translation quality for multiple language pairs by incorporating gender information to a large dataset.
Outcome: The proposed system significantly improves translation quality for some language pairs.
How sensitive are translation systems to extra contexts? Mitigating gender bias in Neural Machine Translation models through relevant contexts. (2022.findings-emnlp)

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Challenge: Neural Machine Translation systems are prone to gender biases in their learned representations.
Approach: They propose to use contextual sentences to correct gender bias in Neural Machine Translation models.
Outcome: The proposed method can be used to build better, bias-free translation systems.
GFST: Gender-Filtered Self-Training for More Accurate Gender in Translation (2021.emnlp-main)

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Challenge: Recent studies have focused on gender bias in neural machine translation (NMT) incorrectly gendered translations can reflect or amplify social biases.
Approach: They propose to use a monolingual corpus to generate gender-specific pseudo-parallel corpora and filter them to improve gender translation accuracy.
Outcome: The proposed approach improves gender accuracy without damaging generic quality on translations from English into five languages.
Counterfactual Data Augmentation for Mitigating Gender Stereotypes in Languages with Rich Morphology (P19-1)

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Challenge: Gender stereotypes are manifest in most of the world's languages and are consequently propagated or amplified by NLP systems.
Approach: They propose a method for converting between masculine-inflected and feminine-infflectes sentences in morphologically rich languages to reduce gender stereotyping by a factor of 2.5 without any sacrifice to grammaticality.
Outcome: The proposed approach reduces gender stereotyping by 2.5 without any sacrifice to grammaticality.
Translate With Care: Addressing Gender Bias, Neutrality, and Reasoning in Large Language Model Translations (2025.findings-acl)

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Challenge: addressing gender bias and maintaining logical coherence in machine translation remains challenging, especially when translating between natural gender languages, like English, and genderless languages, such as Persian, Indonesian, and Finnish.
Approach: They propose a dataset to assess translation systems' performance in six low- to mid-resource languages and a translation dataset to examine gender bias and logical coherence.
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Reducing Gender Bias in Neural Machine Translation as a Domain Adaptation Problem (2020.acl-main)

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Challenge: Training data for NLP tasks often exhibits gender bias in that fewer sentences refer to women than to men.
Approach: They propose a lattice-rescoring scheme which allows a trade-off between general translation quality and bias reduction during adaptation and inference time.
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