Researchers have developed a new benchmark and strategies for cross-lingual Text-to-Speech (TTS) systems, specifically focusing on Indian languages. The work addresses challenges in alignment-free TTS models that struggle with duration mismatches across languages, leading to degraded speech quality. By creating a benchmark covering English and nine Indian languages, and proposing an inference-time duration estimation strategy that uses language-specific statistics without retraining, the team has improved speech naturalness, intelligibility, and speaker similarity. AI
IMPACT Improves cross-lingual TTS capabilities, particularly for under-resourced Indian languages, potentially enabling more natural and accessible voice technologies.
RANK_REASON Academic paper detailing a new benchmark and methodology for TTS. [lever_c_demoted from research: ic=1 ai=1.0]
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