Phonikud: Overcoming Phonetic Underspecification for Hebrew Text-To-Speech
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Computer Science > Computation and Language
Title:Phonikud: Overcoming Phonetic Underspecification for Hebrew Text-To-Speech
Abstract:Text-to-speech (TTS) for Modern Hebrew is challenged by the language's orthographic complexity, with existing solutions ignoring underspecified phonetic features such as stress. We present a framework for more phonetically accurate Hebrew TTS with four contributions: (1) Phonikud, an open-source Hebrew grapheme-to-phoneme (G2P) system that outputs fully-specified International Phonetic Alphabet (IPA) transcriptions, designed by augmenting a base diacritizer. (2) The ILSpeech corpus of paired Hebrew audio, text, and expert IPA annotations. (3) A benchmark for the previously unmeasured task of Hebrew G2P conversion. (4) Hebrew audio-to-IPA models capturing previously disregarded phonetic details for automatic TTS evaluation. Our results show that Phonikud more accurately predicts Hebrew phonemes than prior methods, and that small, local TTS models with phonetic input from Phonikud approach large proprietary systems. We release our code, data, and models at this https URL.
| Comments: | Accepted to Interspeech 2026. Project page: this https URL |
| Subjects: | Computation and Language (cs.CL); Sound (cs.SD); Audio and Speech Processing (eess.AS) |
| Cite as: | arXiv:2506.12311 [cs.CL] |
| (or arXiv:2506.12311v3 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2506.12311
arXiv-issued DOI via DataCite
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Submission history
From: Morris Alper [view email][v1] Sat, 14 Jun 2025 02:16:38 UTC (1,380 KB)
[v2] Fri, 10 Oct 2025 00:10:56 UTC (1,433 KB)
[v3] Tue, 16 Jun 2026 20:55:53 UTC (608 KB)
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