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07/13/2022
Sub 8-Bit Quantization of Streaming Keyword Spotting Models for Embedded Chipsets
We propose a novel 2-stage sub 8-bit quantization aware training algorit...
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04/19/2021
Alexa Conversations: An Extensible Data-driven Approach for Building Task-oriented Dialogue Systems
Traditional goal-oriented dialogue systems rely on various components su...
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04/24/2019
Realizing Petabyte Scale Acoustic Modeling
Large scale machine learning (ML) systems such as the Alexa automatic sp...
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04/02/2019
Lessons from Building Acoustic Models with a Million Hours of Speech
This is a report of our lessons learned building acoustic models from 1 ...
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03/13/2019
Multi-Geometry Spatial Acoustic Modeling for Distant Speech Recognition
The use of spatial information with multiple microphones can improve far...
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03/13/2019
Frequency Domain Multi-channel Acoustic Modeling for Distant Speech Recognition
Conventional far-field automatic speech recognition (ASR) systems typica...
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11/15/2018
Comprehensive evaluation of statistical speech waveform synthesis
Statistical TTS systems that directly predict the speech waveform have r...
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08/01/2018
Data Augmentation for Robust Keyword Spotting under Playback Interference
Accurate on-device keyword spotting (KWS) with low false accept and fals...
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05/05/2017