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Related papers: Coded Speech Quality Measurement by a Non-Intrusiv…

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Enhancing coded speech suffering from far-end acoustic background noise, quantization noise, and potentially transmission errors, is a challenging task. In this work we propose two postprocessing approaches applying convolutional neural…

Audio and Speech Processing · Electrical Eng. & Systems 2019-01-25 Ziyue Zhao , Huijun Liu , Tim Fingscheidt

The state-of-art methods for acoustic beamforming in multi-channel ASR are based on a neural mask estimator that predicts the presence of speech and noise. These models are trained using a paired corpus of clean and noisy recordings…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-02 Rohit Kumar , Anirudh Sreeram , Anurenjan Purushothaman , Sriram Ganapathy

The constant Q transform (CQT) has been shown to be one of the most effective speech signal pre-transforms to facilitate synthetic speech detection, followed by either hand-crafted (subband) constant Q cepstral coefficient (CQCC) feature…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Guang Hua , Andrew Beng Jin Teoh , Haijian Zhang

Word Error Rate (WER) is the primary metric used to assess automatic speech recognition (ASR) model quality. It has been shown that ASR models tend to have much higher WER on speakers with speech impairments than typical English speakers.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-23 Jimmy Tobin , Qisheng Li , Subhashini Venugopalan , Katie Seaver , Richard Cave , Katrin Tomanek

End-to-end (E2E) automatic speech recognition (ASR) models, by now, have shown competitive performance on several benchmarks. These models are structured to either operate in streaming or non-streaming mode. This work presents cascaded…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Arun Narayanan , Tara N. Sainath , Ruoming Pang , Jiahui Yu , Chung-Cheng Chiu , Rohit Prabhavalkar , Ehsan Variani , Trevor Strohman

Neural audio codecs have recently gained popularity because they can represent audio signals with high fidelity at very low bitrates, making it feasible to use language modeling approaches for audio generation and understanding. Residual…

Sound · Computer Science 2024-10-21 Hubert Siuzdak , Florian Grötschla , Luca A. Lanzendörfer

Target-Speaker Voice Activity Detection (TS-VAD) is the task of detecting the presence of speech from a known target-speaker in an audio frame. Recently, deep neural network-based models have shown good performance in this task. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-07 Holger Severin Bovbjerg , Jan Østergaard , Jesper Jensen , Zheng-Hua Tan

In this paper, we propose a novel way of addressing text-dependent automatic speaker verification (TD-ASV) by using a shared-encoder with task-specific decoders. An autoregressive predictive coding (APC) encoder is pre-trained in an…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Vijay Ravi , Ruchao Fan , Amber Afshan , Huanhua Lu , Abeer Alwan

In general, a self-attention mechanism has been applied for speaker embedding encoding. Previous studies focused on training the self-attention in a high-level layer, such as the last pooling layer. However, the effect of low-level features…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-29 Soonshin Seo , Ji-Hwan Kim

This paper introduces NoRefER, a novel referenceless quality metric for automatic speech recognition (ASR) systems. Traditional reference-based metrics for evaluating ASR systems require costly ground-truth transcripts. NoRefER overcomes…

Computation and Language · Computer Science 2023-06-23 Kamer Ali Yuksel , Thiago Ferreira , Golara Javadi , Mohamed El-Badrashiny , Ahmet Gunduz

Recently, attention-based encoder-decoder (AED) models have shown state-of-the-art performance in automatic speech recognition (ASR). As the original AED models with global attentions are not capable of online inference, various online…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-15 Hyeonseung Lee , Woo Hyun Kang , Sung Jun Cheon , Hyeongju Kim , Nam Soo Kim

Audio codecs based on discretized neural autoencoders have recently been developed and shown to provide significantly higher compression levels for comparable quality speech output. However, these models are tightly coupled with speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-15 Jonah Casebeer , Vinjai Vale , Umut Isik , Jean-Marc Valin , Ritwik Giri , Arvindh Krishnaswamy

In this work, we propose a classifier for distinguishing device-directed queries from background speech in the context of interactions with voice assistants. Applications include rejection of false wake-ups or unintended interactions as…

Computation and Language · Computer Science 2018-08-09 Sri Harish Mallidi , Roland Maas , Kyle Goehner , Ariya Rastrow , Spyros Matsoukas , Björn Hoffmeister

Word error rate (WER) is a metric used to evaluate the quality of transcriptions produced by Automatic Speech Recognition (ASR) systems. In many applications, it is of interest to estimate WER given a pair of a speech utterance and a…

Computation and Language · Computer Science 2024-04-29 Chanho Park , Mingjie Chen , Thomas Hain

Neural speech codecs have demonstrated their ability to compress high-quality speech and audio by converting them into discrete token representations. Most existing methods utilize Residual Vector Quantization (RVQ) to encode speech into…

Sound · Computer Science 2024-10-22 Peiji Yang , Fengping Wang , Yicheng Zhong , Huawei Wei , Zhisheng Wang

Adaptive network coding schemes provide a promising approach to bridging the gap between high data rates and low delay in real-time streaming applications. However, their effectiveness often relies on accurate channel prediction, which is…

Information Theory · Computer Science 2026-03-24 Adina Waxman , Nir Shlezinger , Alejandro Cohen

End-to-end (E2E) models have shown to outperform state-of-the-art conventional models for streaming speech recognition [1] across many dimensions, including quality (as measured by word error rate (WER)) and endpointer latency [2]. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-12 Bo Li , Anmol Gulati , Jiahui Yu , Tara N. Sainath , Chung-Cheng Chiu , Arun Narayanan , Shuo-Yiin Chang , Ruoming Pang , Yanzhang He , James Qin , Wei Han , Qiao Liang , Yu Zhang , Trevor Strohman , Yonghui Wu

Speaker-attributed automatic speech recognition (ASR) in multi-speaker environments remains a major challenge. While some approaches achieve strong performance when fine-tuned on specific domains, few systems generalize well across…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-28 Alexander Polok , Dominik Klement , Samuele Cornell , Matthew Wiesner , Jan Černocký , Sanjeev Khudanpur , Lukáš Burget

Recent advances in Automatic Speech Recognition (ASR) have demonstrated remarkable accuracy and robustness in diverse audio applications, such as live transcription and voice command processing. However, deploying these models on…

In recent years, large language models have achieved significant success in generative tasks related to speech, audio, music, and other signal domains. A crucial element of these models is the discrete acoustic codecs, which serve as an…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-05 Shengpeng Ji , Minghui Fang , Jialong Zuo , Ziyue Jiang , Dingdong Wang , Hanting Wang , Hai Huang , Zhou Zhao