Speak, Repeat, Improve
Real Speaking Training.
STT · TTS Speaking Training by O:BRICKS
AI generates scripts, TTS reads them aloud, and STT evaluates utterance —
an end-to-end listen-and-speak training solution.
WHY STT · TTS
Speaking Training, Measured by Data
No more subjective scoring — AI analyzes down to the phoneme for objective scores and feedback.
Auto Script Generation
AI auto-generates speaking scripts from your textbooks, scripts, and FAQs — tuned by goal and difficulty.
Natural TTS Listening
Listen with diverse speakers, tones, and speeds — including simulated noise and call-quality environments.
Precise Speech Scoring
Objective scoring on phoneme accuracy, pace, pauses, stress, intonation, and script match.
Instant Feedback & Reports
Per-sentence scores and highlights, error-pattern analysis, and CSV/PDF reports for admins.
SHOWCASE
See the AI Evaluation in Action
See how the AI analyzes and evaluates learner speech in real time.
🎧Listen & Repeat
"Hello, how may I help you today? Please hold on a moment while I connect you to the right person."
📊AI Evaluation
LEARNING FLOW
From Listen-and-Speak to Analysis
AI designs scripts, learners speak, and STT plus pronunciation engines analyze — four end-to-end steps.
AI Script & Scenario
Auto-generate scripts from textbooks, scripts, and FAQs — with versions by difficulty, pace, length, and situational templates (counseling, interview, presentation, guidance).
Listen & Repeat
Natural TTS playback in varied speakers and pacing — sentence-, phrase-, and word-level repetition with script-hiding for difficulty control.
Speech Analysis & Scoring
STT and pronunciation engines analyze phoneme accuracy, pace, pauses, stress, intonation, and script match — auto-classifying error types.
Feedback & Reports
Per-sentence scores, highlights of strengths and weak spots, re-learning recommendations from error patterns, and CSV/PDF admin reports.
USE CASES
Where STT/TTS Speaking Training Excels
Wherever speaking matters — call centers, language learning, presentations, and interviews.
Call Center & CS Training
Speaking training on standard scripts and FAQs, utterance evaluation aligned with QA, and customer-scenario role-play.
Foreign Language Conversation
Situational scripts for conversation, business, and exam prep — with phoneme-level scoring and prosody feedback.
Business English & Presentation
Comprehensive evaluation of tone, pace, and business vocabulary across meeting, email, and presentation scenarios.
Interview Practice
Listen and answer interview questions — analyze pacing, structure, and keyword usage for confident interview prep.
Korean for Foreigners
TOPIK, daily conversation, and business Korean — precise scoring on Korean-specific phonemes and prosody.
Medical Counseling
Patient-response scenarios with simultaneous training on medical terminology, empathy, and explanation skills.
Announcing & PA Training
Voice training for announcers, MCs, and PA staff — refine standard pronunciation, pacing, and tone with data.
Language Test Prep
TOEIC Speaking, OPIc, TOPIK Speaking, IELTS Speaking — training matched to each test’s scoring rubric.
Start Your STT·TTS Speaking Solution
Co-design scenarios and assessment criteria for your real environment — verify training effectiveness with data. Start with a free consultation.