Search Results for author: Shahab Jalalvand

Found 11 papers, 0 papers with code

1SPU: 1-step Speech Processing Unit

no code implementations8 Nov 2023 Karan Singla, Shahab Jalalvand, Yeon-Jun Kim, Antonio Moreno Daniel, Srinivas Bangalore, Andrej Ljolje, Ben Stern

Recent studies have made some progress in refining end-to-end (E2E) speech recognition encoders by applying Connectionist Temporal Classification (CTC) loss to enhance named entity recognition within transcriptions.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +3

Trustera: A Live Conversation Redaction System

no code implementations16 Mar 2023 Evandro Gouvêa, Ali Dadgar, Shahab Jalalvand, Rathi Chengalvarayan, Badrinath Jayakumar, Ryan Price, Nicholas Ruiz, Jennifer McGovern, Srinivas Bangalore, Ben Stern

Trustera, the first functional system that redacts personally identifiable information (PII) in real-time spoken conversations to remove agents' need to hear sensitive information while preserving the naturalness of live customer-agent conversations.

Automatic Speech Recognition Natural Language Understanding +2

Unsupervised Spoken Utterance Classification

no code implementations2 Jul 2021 Shahab Jalalvand, Srinivas Bangalore

An intelligent virtual assistant (IVA) enables effortless conversations in call routing through spoken utterance classification (SUC) which is a special form of spoken language understanding (SLU).

Classification Sentence +3

Automatic Quality Estimation for ASR System Combination

no code implementations22 Jun 2017 Shahab Jalalvand, Matteo Negri, Daniele Falavigna, Marco Matassoni, Marco Turchi

In this paper we propose a novel variant of ROVER that takes advantage of ASR quality estimation (QE) for ranking the transcriptions at "segment level" instead of: i) relying on confidence scores, or ii) feeding ROVER with randomly ordered hypotheses.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

DNN adaptation by automatic quality estimation of ASR hypotheses

no code implementations6 Feb 2017 Daniele Falavigna, Marco Matassoni, Shahab Jalalvand, Matteo Negri, Marco Turchi

Our hypothesis is that significant improvements can be achieved by: i)automatically transcribing the evaluation data we are currently trying to recognise, and ii) selecting from it a subset of "good quality" instances based on the word error rate (WER) scores predicted by a QE component.

Sentence

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