Search Results for author: Ravi Shankar

Found 8 papers, 0 papers with code

A Closer Look at Wav2Vec2 Embeddings for On-Device Single-Channel Speech Enhancement

no code implementations3 Mar 2024 Ravi Shankar, Ke Tan, Buye Xu, Anurag Kumar

Self-supervised learned models have been found to be very effective for certain speech tasks such as automatic speech recognition, speaker identification, keyword spotting and others.

Automatic Speech Recognition Keyword Spotting +5

A Comparative Study of Data Augmentation Techniques for Deep Learning Based Emotion Recognition

no code implementations9 Nov 2022 Ravi Shankar, Abdouh Harouna Kenfack, Arjun Somayazulu, Archana Venkataraman

In parallel to these models, researchers have proposed several data augmentation techniques to increase the size and variability of existing labeled datasets.

Data Augmentation Emotion Recognition

A Deep-Bayesian Framework for Adaptive Speech Duration Modification

no code implementations11 Jul 2021 Ravi Shankar, Archana Venkataraman

During inference, we generate the attention map as a proxy for the similarity matrix between the given input speech and an unknown target speech signal.

Decoder Dynamic Time Warping +1

Multi-speaker Emotion Conversion via Latent Variable Regularization and a Chained Encoder-Decoder-Predictor Network

no code implementations25 Jul 2020 Ravi Shankar, Hsi-Wei Hsieh, Nicolas Charon, Archana Venkataraman

Finally, the predictor uses the original spectrum and the modified F0 contour to generate a corresponding target spectrum.

Decoder

Non-parallel Emotion Conversion using a Deep-Generative Hybrid Network and an Adversarial Pair Discriminator

no code implementations25 Jul 2020 Ravi Shankar, Jacob Sager, Archana Venkataraman

We introduce a novel method for emotion conversion in speech that does not require parallel training data.

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