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October 29, 20265 min readTwo optimization techniques, when combined, can significantly improve a model’s speed and cost effectiveness without sacrificing quality.
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October 20, 20263 min read
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October 12, 202614 min read
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Featured news
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Interspeech 20202020Acoustic Scene Classification (ASC) is a challenging task, as a single scene may involve multiple events that contain complex sound patterns. For example, a cooking scene may contain several sound sources including silverware clinking, chopping, frying, etc. What complicates ASC more is that classes of different activities could have overlapping sounds patterns (e.g. both cooking and dishwashing could have
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Interspeech 20202020State-of-the-art Acoustic Modeling (AM) techniques use long short term memory (LSTM) networks, and apply multiple phases of training on large amount of labeled acoustic data - initial cross-entropy (CE) training or connectionist temporal classification (CTC) training followed by sequence discriminative training, such as state-level Minimum Bayes Risk (sMBR). Recently, there is considerable interest in applying
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Interspeech 20202020Despite the fact that data imbalance is becoming more and more common in real-world Spoken Language Understanding (SLU) applications, it has not been studied extensively in the literature. To the best of our knowledge, this paper presents the first systematic study on handling data imbalance for SLU. In particular, we discuss the application of existing data balancing techniques for SLU and propose a multi-task
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Interspeech 20202020End-to-end spoken language understanding (SLU) models are a class of model architectures that predict semantics directly from speech. Because of their input and output types, we refer to them as speech-to-interpretation (STI) models. Previous works have successfully applied STI models to targeted use cases, such as recognizing home automation commands, however no study has yet addressed how these models
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Interspeech 20202020Voice assistants such as Siri, Alexa, etc. usually adopt a pipeline to process users’ utterances, which generally include transcribing the audio into text, understanding the text, and finally responding back to users. One potential issue is that some utterances could be devoid of any interesting speech, and are thus not worth being processed through the entire pipeline. Examples of uninteresting utterances
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