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Facebook releases low-latency online speech recognition framework

January 13, 2020 / KHARI JOHNSON

Facebook AI Research (FAIR) today said it’s open-sourcing wav2letter@anywhere, a deep learning-based inference framework that achieves fast performance for online automatic speech recognition in cloud or embedded edge environments. Wav2letter@anywhere is based on neural net-based language models wav2letter and wav2letter++, which upon its release in December 2018, FAIR called the fastest open source speech recognition system available. Automatic speech recognition, or ASR, is used to turn audio of spoken words into text, then infer the speaker’s intent in order to carry out a task. An API available on GitHub though the wav2letter++ repository is built to support concurrent audio streams and popular kinds of deep learning speech recognition models like convolutional neural networks (CNN) or recurrent neural networks (RNN) in order to deliver scale necessary for online ASR.