Application of Neural Network Algorithm Based on Principal Component Image Analysis in Band Expansion of College English Listening
With the development of information technology, band expansion technology is gradually applied to college English listening teaching. This technology aims to recover broadband speech signals from narrowband speech signals with a limited frequency band. However, due to the limitations of current voic...
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| Format: | article |
| Language: | EN |
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Hindawi Limited
2021
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| Online Access: | https://doaj.org/article/c42b83d3b6aa483f9d6f6775d441ae5d |
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