site stats

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. WebNov 4, 2016 · Phone Synchronous Speech Recognition With CTC Lattices Abstract: Connectionist temporal classification (CTC) has recently shown improved performance and efficiency in automatic speech recognition. One popular decoding implementation is to …

Phone Synchronous Decoding with CTC Lattice

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. … 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. statue of liberty moved https://liveloveboat.com

A GPU-based WFST Decoder with Exact Lattice Generation

http://www.hassan-ait-kaci.net/pdf/encoding-toplas-89.pdf WebHere, a phone-level CTC lattice is constructed purely using the CTC acoustic model. The … 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 statue of liberty missing

Harnessing graphics processors for the fast computation of …

Category:Phone Synchronous Decoding with CTC Lattice - GitHub Pages

Tags:Phone synchronous decoding with ctc lattice

Phone synchronous decoding with ctc lattice

ISCA abstract

WebSep 8, 2016 · synchronous decoding and describes the empirical method to apply phone synchronization into decoding framework using the CTC … WebSummary 20 The potential of compact and precise PSD CTC lattice in preserving acoustic information was utilized to form better CMs PSD version of predictor based CM was proposed with elaborate phonemic normalization and blank info (in paper) The characteristics of lattice and confusion network generated from PSD framework were …

Phone synchronous decoding with ctc lattice

Did you know?

Weba PSD algorithm based on RNN-T lattice. We introduce our PSD method below. The … WebHCLG [exp/mono_ctc_decoding_graph/HCLG.pdf] 网络： ... Xu T, et al. Phone Synchronous Decoding with CTC Lattice[J]. Interspeech 2016}, 2016: 1923-1927. 编辑于 2016-11-15 18:51.

Websynchronous decoding and describes the empirical method to apply phone … WebPhone Synchronous Decoding with Blank Skipping PSD algorithm is first used in [24] to speed up the decod-ing and reduce the memory usage with CTC lattice. A CTC model’s peaky posterior property allows the PSD algorithm to ignore blank prediction frames and compress the search space. We found the same peaky posterior property also exists

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. WebExperimental 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 …

WebConnectionist temporal classification CTC has recently shown improved performance and …

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. statue of liberty name of womanWebAn 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 … statue of liberty national parksWebWe 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 ... statue of liberty national geographicWebConnectionist Temporal Classification (CTC) has recently shown improved efficiency in … statue of liberty newgroundWebApr 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), ... statue of liberty newgroundsWebSep 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 … statue of liberty new york city factsWebDec 31, 2016 · Based on this phenomenon, a novel phone synchronous decoding … statue of liberty night boat tour