Bikom S.

Native Bengali and Sylheti speaker helping AI teams make their Bengali sound right. I test TTS voices, evaluate language model answers and build Bengali training data, and I deliver accurate Bengali-to-English translation, time-coded transcription, Live Interpretation and voice-over (Dubbing). Top Rated, 5+ years, 83 Upwork jobs. LANGUAGE QA, AI TRAINING & MODEL EVALUATION - Language QA and review: I check Bengali AI output the way real users hear and read it, then give clear, actionable feedback with the correct Bengali for every error. - TTS and voice QA: I score Bengali AI voices 1–10 for naturalness, pronunciation, rhythm and intonation, and log every issue: dropped or added vowels, misread conjuncts, numbers and dates, flat questions, word-by-word delivery. - Language model evaluation: I rate and rank Bengali chatbot and LLM answers for accuracy, fluency, tone and formality (আপনি / তুমি), and rewrite weak answers. - Bengali phonetics: pronunciation lists and simple phonetic spellings your engineers can use to fix a voice's lexicon. - AI training data: corrected and newly written Bengali prompts and answers, translated sentence review, data labeling and voice data recording. TRANSLATION, TRANSCRIPTION & VOICE - Bengali / Sylheti to English time-coded transcription: interviews, focus groups, phone calls, podcasts, court and immigration audio. Verbatim or clean, SRT/VTT/Word, timestamps at speaker change or every 30–60 seconds, speaker labels, [inaudible] tags. - Bengali - English translation: legal documents (asylum statements for U.S. law firms), apps, ads, manuals, marketing. - Subtitles and SRT files: Bengali and English subtitles for YouTube, e-learning and medical awareness videos. - Bengali voice-over: native male voice for ads, explainers, e-learning, IVR and AI voice datasets. RECENT WORK ✔ Bengali TTS voice QA for a text-to-speech company: rated voices and flagged pronunciation errors ✔ Bengali voice talent for generative AI voice models (5.0★) ✔ 91-minute Bengali-to-English time-coded transcript (5.0★) ✔ Bengali-to-English time-coded SRT subtitles (5.0★) ✔ Asylum claim documentation translated for a U.S. law agency ✔ Full app translation for "Picker App" and "Profee App" ads ✔ English-to-Bengali proofreading for Justmarkets (trading content) WHY CLIENTS HIRE ME - A native ear: I catch what sounds wrong to Bengali listeners, not just what is spelled wrong. - 100% human work. No machine output passed off as translation or review. - I understand Sylheti and regional Bangladeshi dialects that most Bengali reviewers miss. - Confidentiality respected. Happy to sign an NDA and work inside your annotation tool. - Fast turnaround, with free revisions until the work matches your guidelines. Send me a few audio clips, model outputs or a short document, and I will reply with a quote and turnaround time.