Phone synchronous decoding with ctc lattice

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August undefined, 2024

WebDec 31, 2016 · Based on this phenomenon, a novel phone synchronous decoding framework is proposed by removing tremendous search redundancy due to blank frames, which results in significant search speed up. The framework naturally leads to an extremely compact phone-level acoustic space representation: CTC lattice. Weba novel phone synchronous decoding framework is proposed by removing tremendous …

Phone Synchronous Speech Recognition With CTC Lattices

WebConnectionist temporal classification CTC has recently shown improved performance and … WebWe further show that the CTC alignment, a by-product of the CTC decoder, can also be used to perform lattice reduction for RNN-T during training. Our method is evaluated on the Librispeech and SpeechStew tasks. We demonstrate that the proposed method is able to accelerate the RNN-T inference by 2.2 times with similar or slightly better word ... oxfam barbour

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WebSep 30, 2024 · The WFST based CTC decoding algorithm requires three or four WFSTs, such as grammar WFST (denoted as G ), context independent phoneme or character (CI-PHN/CHAR) lexicon WFST ( L ), token WFST ( R) which ignore the occurrences of the blank label and discard the repetitions of any non-blank labels, as well as condext dependent … WebIn large vocabulary continuous speech recognition (LVCSR) the acoustic model computations often account for the largest processing overhead. Our weighted finite state transducer (WFST) based decoding engine can utilize a commodity graphics processing unit (GPU) to perform the acoustic computations to move this burden off the main processor. … WebAn automatic speech recognition system searches for the word transcription with the highest overall score for a given acoustic observation sequence. This overall score is typically a weighted combination of a language model score and an acoustic model score. We propose including a third score, which measures the similarity of the word … jeff bezos headshot

Phone Synchronous Speech Recognition With CTC Lattices

(PDF) Phone Synchronous Decoding with CTC Lattice

Webobtained by weight quantization and phone synchronous decoding [5]. Following Hwang et al. [10] and Zhuang et al. [23], key words are searched on the phone lattice generated by the CTC model. The confidence score for each key word is determined by the posteriors output by the ASR model and the minimum edit distance with the key word phone string. WebCreated Date: 5/28/1999 9:44:03 AM jeff bezos have childrenWebExperiments on LVCSR tasks show that phone synchronous decoding can yield an extra 2–3 times speed up compared to the traditional frame synchronous CTC decoding implementation. doi: 10.21437/Interspeech.2016-831 Cite as: Chen, Z., Deng, W., Xu, T., Yu, K. (2016) Phone Synchronous Decoding with CTC Lattice. Proc. oxfam barnard castle

"WebPhone synchronous speech recognition with ctc lattices. Z Chen, Y Zhuang, Y Qian, K Yu. … " - Phone synchronous decoding with ctc lattice

Phone synchronous decoding with ctc lattice

Confidence measures for CTC-based phone synchronous …

Weba PSD algorithm based on RNN-T lattice. We introduce our PSD method below. The … WebMar 9, 2024 · Recently, a phone synchronous decoding (PSD) framework has been proposed for efficient decoding with CTC model. By automatically ignoring blank frames, PSD decoding not only achieves significant speed-up, but also yields highly compact and precise CTC phone lattices.

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WebSep 1, 2024 · By introducing word-independent phone lattices or non-keyword blank symbols to construct competing hypotheses, feasible and efficient sequence discriminative training approaches are proposed for acoustic KWS. WebFeb 27, 2024 · 端到端CTC区分性训练. 我们系统采用中文字加上英文BPE建模，基于AED及CTC多任务训练完以后，我们只保留CTC部分，后面我们会进行区分性训练，我们采用端到端的lattice free mmi[6][7]区分性训练：区分性训练准则. 区分性准则-MMI. 和传统区分性训练区别. 1. 传统做法 a.

WebSep 30, 2024 · A novel phone synchronous decoding framework is proposed by removing tremendous search redundancy due to blank frames, which results in significant search speed up and efficient and effective modular speech recognition approaches, second pass rescoring for large vocabulary continuous speech recognition (LVCSR), and phone-based … Websynchronous decoding and describes the empirical method to apply phone …

WebHere, a phone-level CTC lattice is constructed purely using the CTC acoustic model. The … WebConnectionist temporal classification (CTC) has recently shown improved performance …

WebSep 14, 2024 · In the paper, the unified confidence measure and efficient decoding …

WebSynchronous Decoding (FSD) into Phone Synchronous Decoding (PSD) [5]. A novel method used with the combination of CNN-RNN-CTC classification model for multi-accent mandarin for automatic recognition of speech to improve the performance [25]. The author published a method with the combination of CTC model with Lattice-Free jeff bezos hawaii houseWebExperimental results show that the proposed approach significantly outperforms the baseline system that does not use articulatory and prosodic information, and demonstrates a potential of utilizing results from cross-lingual attribute detectors as a language-universal frontend for automatic speech recognition. We present a cross-language knowledge … jeff bezos health conditionWebLattice Decoding for Joint A new joint detection method based on sphere packing lattice … oxfam beaconsfield booksWebApr 9, 2024 · Figure 1 shows our framework, with two GPU concurrent streams performing decoding and lattice-pruning in parallel launched by CPU asynchronous calls. ... [38] Z. Chen, Y. Zhuang, and K. Yu, “Confidence measures for ctc-based phone synchronous decoding,” in Acoustics, Speech and Signal Processing (ICASSP), ... oxfam bathWebApr 15, 2024 · 端到端CTC区分性训练. 我们系统采用中文字加上英文BPE建模，基于AED及CTC多任务训练完以后，我们只保留CTC部分，后面我们会进行区分性训练，我们采用端到端的lattice free mmi[6][7]区分性训练：区分性训练准则; 区分性准则-MMI; 和传统区分性训练区别; 1. 传统做法. a. oxfam beaconsfieldWebDec 31, 2016 · Based on this phenomenon, a novel phone synchronous decoding … oxfam beaconsfield bookshopWeb• Approach: A novel phone synchronous decoding framework and compact acoustic space … oxfam beeston