Customer-obsessed science
Research areas
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October 1, 202610 min readAugmenting a network graph with agentic AI produces a “digital twin” that can help isolate network failures.
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August 21, 20269 min read
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July 30, 20268 min read
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July 29, 20266 min read
Featured news
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Interspeech 20222022We introduce a new automatic evaluation method for speaker similarity assessment, that is consistent with human perceptual scores. Modern neural text-to-speech models require a vast amount of clean training data, which is why many solutions switch from single speaker models to solutions trained on examples from many different speakers. Multi-speaker models bring new possibilities, such as a faster creation
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Interspeech 20222022We present a streaming, Transformer-based end-to-end automatic speech recognition (ASR) architecture which achieves efficient neural inference through compute cost amortization. Our architecture creates sparse computation pathways dynamically at inference time, resulting in selective use of compute resources throughout decoding, enabling significant reductions in compute with minimal impact on accuracy.
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Interspeech 20222022In this work we improve the style representation for cross-lingual style transfer. Specifically, we improve the Spanish representation across four styles, Newscaster, DJ, Excited, and Disappointed, whilst maintaining a single speaker identity for which we only have English samples. This is achieved using Learned Conditional Prior VAE (LCPVAE), a hierarchical Variational Auto Encoder (VAE) approach. A secondary
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KDD 20222022Multi-Task Learning (MTL) is widely-accepted in Natural Language Processing as a standard technique for learning multiple related tasks in one model. Training an MTL model requires having the training data for all tasks available at the same time. As systems usually evolve over time, (e.g., to support new functionalities), adding a new task to an existing MTL model usually requires retraining the model
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Interspeech 20222022Speaker identification (SID) in the household scenario (e.g., for smart speakers) is an important but challenging problem due to limited number of labeled (enrollment) utterances, confusable voices, and demographic imbalances. Conventional speaker recognition systems generalize from a large random sample of speakers, causing the recognition to underperform for households drawn from specific cohorts or otherwise
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