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Shreeram Chandra's Projects

fastspeech2 icon fastspeech2

An implementation of Microsoft's "FastSpeech 2: Fast and High-Quality End-to-End Text to Speech"

gst-tacotron icon gst-tacotron

A PyTorch implementation of Style Tokens: Unsupervised Style Modeling, Control and Transfer in End-to-End Speech Synthesis

imageai icon imageai

A python library built to empower developers to build applications and systems with self-contained Computer Vision capabilities

mlpack icon mlpack

mlpack: a scalable C++ machine learning library --

real_estate_mlproject icon real_estate_mlproject

Machine learning algorithms are used to determine the investibility of a particular estate.

spectrum-sensing icon spectrum-sensing

This project aims to use signal processing based features to train and validate machine-learning algorithms to improve spectrum sensing and related problems in cognitive radios. We used differential entropy, geometric power and LP- norm based features to train supervised ML algorithms and various deep neural networks. The noise process is assumed to follow a generalized Gaussian distribution, which is of practical relevance. Through experimental results based on real-world captured datasets, we show that the proposed method outperforms the energy-based approach in terms of probability of detection. The proposed technique is particularly useful under low signal-to-noise ratio conditions, and when the noise distribution has heavier tails.

virtual-source-width-perception icon virtual-source-width-perception

We explore the auditory perceptual property of virtual source width (VSW) expansion of synthetic vowels /a/, /i/ and /u/ and compare it with that of natural vowels. We also modify the synthetic vowels by adding white noise at the excitation or at the output. We observe that continuous vowel spectra creates a more stable VSW perception than discrete spectra. We also observe that the listeners perceive predominantly one source in case of shaped noise vowel and two sources in the case of additive white noise vowel. This observation shows that the shape of additive noise spectra plays a significant role in perception. This is quantified through the perceptual degree of VSWe. Additionally, we see a consistent increase in the perceived source width when the degree of non-stationarity is increased.

zulip icon zulip

Zulip server - powerful open source team chat

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