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Conversion of Chinese graphemes to phonemes (G2P) is an essential component in Mandarin Chinese Text-To-Speech (TTS) systems. One of the biggest challenges in Chinese G2P conversion is how to disambiguate the pronunciation of polyphones -…

Computation and Language · Computer Science 2020-09-18 Kyubyong Park , Seanie Lee

Grapheme-to-phoneme (G2P) conversion is an indispensable part of the Chinese Mandarin text-to-speech (TTS) system, and the core of G2P conversion is to solve the problem of polyphone disambiguation, which is to pick up the correct…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-26 Song Zhang , Ken Zheng , Xiaoxu Zhu , Baoxiang Li

Grapheme-to-phoneme (G2P) conversion serves as an essential component in Chinese Mandarin text-to-speech (TTS) system, where polyphone disambiguation is the core issue. In this paper, we propose an end-to-end framework to predict the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-03 Dongyang Dai , Zhiyong Wu , Shiyin Kang , Xixin Wu , Jia Jia , Dan Su , Dong Yu , Helen Meng

One of the key issues in Mandarin Chinese text-to-speech (TTS) systems is polyphone disambiguation when doing grapheme-to-phoneme (G2P) conversion. In this paper, we introduce a novel method to solve the problem as a generation task.…

Computation and Language · Computer Science 2023-12-20 Chen Li

Polyphone disambiguation is the most crucial task in Mandarin grapheme-to-phoneme (g2p) conversion. Previous studies have approached this problem using pre-trained language models, restricted output, and extra information from…

Computation and Language · Computer Science 2022-08-26 Yi-Chang Chen , Yu-Chuan Chang , Yen-Cheng Chang , Yi-Ren Yeh

Most Chinese Grapheme-to-Phoneme (G2P) systems employ a three-stage framework that first transforms input sequences into character embeddings, obtains linguistic information using language models, and then predicts the phonemes based on…

Computation and Language · Computer Science 2023-03-15 Jungjun Kim , Changjin Han , Gyuhyeon Nam , Gyeongsu Chae

The Grapheme-to-Phoneme (G2P) task aims to convert orthographic input into a discrete phonetic representation. G2P conversion is beneficial to various speech processing applications, such as text-to-speech and speech recognition. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-01 Manuel Sam Ribeiro , Giulia Comini , Jaime Lorenzo-Trueba

The majority of Chinese characters are monophonic, while a special group of characters, called polyphonic characters, have multiple pronunciations. As a prerequisite of performing speech-related generative tasks, the correct pronunciation…

Computation and Language · Computer Science 2024-08-16 Yi Shi , Congyi Wang , Yu Chen , Bin Wang

Grapheme-to-phoneme conversion (g2p) is necessary for text-to-speech and automatic speech recognition systems. Most g2p systems are monolingual: they require language-specific data or handcrafting of rules. Such systems are difficult to…

Computation and Language · Computer Science 2017-10-05 Ben Peters , Jon Dehdari , Josef van Genabith

This paper describes a conditional neural network architecture for Mandarin Chinese polyphone disambiguation. The system is composed of a bidirectional recurrent neural network component acting as a sentence encoder to accumulate the…

Computation and Language · Computer Science 2019-07-04 Zexin Cai , Yaogen Yang , Chuxiong Zhang , Xiaoyi Qin , Ming Li

Grapheme-to-phoneme (G2P) conversion is a crucial step in Text-to-Speech (TTS) systems, responsible for mapping grapheme to corresponding phonetic representations. However, it faces ambiguities problems where the same grapheme can represent…

Artificial Intelligence · Computer Science 2025-03-21 Dongrui Han , Mingyu Cui , Jiawen Kang , Xixin Wu , Xunying Liu , Helen Meng

Grapheme-to-phoneme (G2P) conversion is critical in speech processing, particularly for applications like speech synthesis. G2P systems must possess linguistic understanding and contextual awareness of languages with polyphone words and…

Computation and Language · Computer Science 2024-09-16 Mahta Fetrat Qharabagh , Zahra Dehghanian , Hamid R. Rabiee

Grapheme-to-Phoneme (G2P) models convert words to their phonetic pronunciations. Classic G2P methods include rule-based systems and pronunciation dictionaries, while modern G2P systems incorporate learning, such as, LSTM and…

Computation and Language · Computer Science 2021-04-12 Eric Engelhart , Mahsa Elyasi , Gaurav Bharaj

The task of grapheme-to-phoneme (G2P) conversion is important for both speech recognition and synthesis. Similar to other speech and language processing tasks, in a scenario where only small-sized training data are available, learning G2P…

Computation and Language · Computer Science 2020-06-25 Kaili Vesik , Muhammad Abdul-Mageed , Miikka Silfverberg

Phonetic information and linguistic knowledge are an essential component of a Text-to-speech (TTS) front-end. Given a language, a lexicon can be collected offline and Grapheme-to-Phoneme (G2P) relationships are usually modeled in order to…

Computation and Language · Computer Science 2023-08-01 Giulia Comini , Manuel Sam Ribeiro , Fan Yang , Heereen Shim , Jaime Lorenzo-Trueba

Grapheme-to-phoneme (G2P) models are a key component in Automatic Speech Recognition (ASR) systems, such as the ASR system in Alexa, as they are used to generate pronunciations for out-of-vocabulary words that do not exist in the…

Computation and Language · Computer Science 2020-06-30 Alex Sokolov , Tracy Rohlin , Ariya Rastrow

Grapheme-to-phoneme (G2P) conversion is the process of converting the written form of words to their pronunciations. It has an important role for text-to-speech (TTS) synthesis and automatic speech recognition (ASR) systems. In this paper,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-24 Chendong Zhao , Jianzong Wang , Xiaoyang Qu , Haoqian Wang , Jing Xiao

Grapheme-to-Phoneme (G2P) is an essential first step in any modern, high-quality Text-to-Speech (TTS) system. Most of the current G2P systems rely on carefully hand-crafted lexicons developed by experts. This poses a two-fold problem.…

Computation and Language · Computer Science 2024-01-22 Abhinav Garg , Jiyeon Kim , Sushil Khyalia , Chanwoo Kim , Dhananjaya Gowda

Attention mechanism is one of the most successful techniques in deep learning based Natural Language Processing (NLP). The transformer network architecture is completely based on attention mechanisms, and it outperforms sequence-to-sequence…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-30 Sevinj Yolchuyeva , Géza Németh , Bálint Gyires-Tóth

Grapheme-to-phoneme (G2P) conversion for Persian presents unique challenges due to its complex phonological features, particularly homographs and Ezafe, which exist in formal and informal language contexts. This paper introduces an…

Computation and Language · Computer Science 2025-05-13 Abbas Bertina , Shahab Beirami , Hossein Biniazian , Elham Esmaeilnia , Soheil Shahi , Mahdi Pirnia
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