ViSQA: ベトナム語音声質問応答のためのベンチマークデータセットとベースラインモデル
Le Trong Minh1,2, Nguyen Duc Thinh2, Nguyen Khanh Tho Loc1,2
1VNU University of Engineering and Technology, Vietnam National University, Hanoi, Vietnam.
PloS one
|January 12, 2026
まとめ
この研究では、ベトナム語音声質問応答のための新しいベンチマークであるViSQAを紹介します。自動音声認識エラーがパフォーマンスに大きく影響することを示していますが、音声データでトレーニングすることで頑健性が向上します。
科学分野:
- 自然言語処理
- 音声認識
- 機械学習
背景:
- 音声質問応答(SQA)は、自動音声認識(ASR)と言語理解を統合します。
- 既存のSQAベンチマークは、ベトナム語のような低リソース言語では限定的です。
- ベトナム語SQAには、研究開発のための標準化されたデータセットが不足しています。
研究 の 目的:
- ベトナム語音声質問応答のための最初のベンチマークデータセットであるViSQAを導入します。
- 自動音声認識(ASR)トランスクリプション品質の変動下でSQAモデルを体系的に評価できるようにします。
- 下流の言語理解タスクに対するASRエラーの影響に関する研究を促進します。
主な方法:
- テキスト音声合成およびASRパイプラインを使用してUIT-ViQuADコーパスを拡張しました。
- 整列された音声オーディオで13,000以上の質問応答ペアを作成しました。
- 頑健な評価のために、クリーンおよびノイズ劣化オーディオバリアントを含めました。
- 5つのトランスフォーマーベースのモデルで実験を実施しました。
主要な成果:
- 自動音声認識(ASR)エラーは、SQAモデルのパフォーマンスを大幅に低下させます(例:ViT5 EM:62.04%から36.30%)。
- 音声トランスクリプションでモデルをトレーニングすると、ASRエラーに対する頑健性が向上します(例:ViT5 EM:36.30%から50.70%)。
- トランスクリプションの不正確さによる大幅なパフォーマンス低下を実証しました。
結論:
- ViSQAは、ベトナム語音声質問応答システムのための厳格なベンチマークとして機能します。
- SQAパフォーマンスに対するASR品質の重要な影響を強調します。
- ベトナム語のより頑健なSQAモデルの開発のための基盤を提供します。
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