voisTUTOR: Virtual Operator for Interactive Spoken English TUTORing (click here for the demos)

This is specially curated for Indian spoken English learners

Provide more detailed feedback on correct usage of phonemes as well as stress, intonation and pauses in real time

The feedback is provided specific to each of these four categories by showing a score representing learner's quality as well as their mismatches with respect to expert's pronunciation

The existing apps on pronunciation tutoring do not provide feedback in all these aspects and those are limited to only phoneme correctness with minimal feedback

SPIRE-TIPS: a Tutoring app for Improving Phoneme-pronunciation Skills (click here for the demos)

Provides a feedback on the pronunciation quality of each phoneme uttered by the learner

Assesses one's pronunciation at word level

Indicates phoneme pronunciation error types

Guides correct pronunciation with expert's audio based synthesized articulatory videos

SPIRE-fluent: A self-learning app for tutoring oral fluency for Indian spoken English learners (click here for the demos)

Provides an automatic feedback with scores representing learner's pronunciation quality, for each word in a sentence and for the entire sentence

The word specific scores are computed based on the correctness of pronunciation with respect to the expert's audio

Displays the syllables uttered and a set of two types of pauses produced by the learners and the expert while speaking the sentence

The learner can correct their mistakes based on the mismatches between those utterances