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Individually amplified text-to-speech

2020-12-03 18:52:03
Josef Schlittenlacher, Thomas Baer

Abstract

Text-to-speech (TTS) offers the opportunity to compensate for a hearing loss at the source rather than correcting for it at the receiving end. This removes limitations such as time constraints for algorithms that amplify a sound individually and can lead to higher speech quality for hearing-impaired listeners. We propose an algorithm that restores loudness to normal perception at a high resolution in time, frequency and level, and embed it in a TTS system that uses Tacotron2 and WaveGlow to produce individually amplified speech. Subjective evaluations of speech quality showed that the proposed algorithm led to high-quality audio. Mean opinion scores were predicted well by the STOI metric. Transfer learning led to a quick adaption of the produced spectra from original speech to individually amplified speech and gives us a way to train an individual TTS system efficiently.

Abstract (translated)

URL

https://arxiv.org/abs/2012.02174

PDF

https://arxiv.org/pdf/2012.02174.pdf


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