Audio never leaves your machine
VoltType's offline mode runs the Whisper speech recognition model directly on your Windows PC. No audio is sent to any server — not ours, not Groq's, not anyone's.
This is the foundation that makes VoltType appropriate for clinical environments where patient audio must stay within your control.
Why Medical Professionals Need Local Dictation
Healthcare dictation tools have always faced a fundamental tension: cloud-based tools are faster to set up but send patient conversations through third-party servers. Many clinicians — especially solo practitioners and small practices — use consumer voice tools that route audio through major tech companies' infrastructure, often without considering the data handling implications.
VoltType's local mode resolves this by moving the entire speech recognition pipeline to your Windows device. Whether you're documenting a patient encounter, writing a referral letter, or updating discharge notes, your audio stays on your hardware.
What VoltType Does in a Clinical Workflow
Dictate Into Any Clinical App
Press Ctrl+Space in your EHR, Word, or email. Text appears exactly where your cursor is — no copy-paste, no switching windows.
100% Local Processing
Local mode uses Whisper running on your Windows CPU/GPU. Audio is processed in memory and never written to disk or transmitted.
Medical Vocabulary Learning
VoltType learns your terminology over time — drug names, anatomical terms, procedures — improving accuracy the more you use it.
Fast. No Loading, No Login
Ctrl+Space starts recording in under 200ms. No browser tab, no app switch, no login screen. Just speak and it appears.
Compatible With Your Existing Clinical Software
VoltType works at the operating system level — it captures audio, transcribes it, then simulates keyboard paste into whatever window is active. This means it works in:
- EHR / EMR systems — Epic, Cerner, Meditech, Allscripts, and any web-based EHR
- Document tools — Microsoft Word, Google Docs, LibreOffice
- Email clients — Outlook, Gmail, webmail
- Messaging / referral platforms — any web form or text field
- Custom in-house software — if it has a text field on Windows, VoltType works
No plugin installation, no EHR integration project. Install VoltType once and it works everywhere.
Voice Commands for Medical Documentation
VoltType supports Dragon-style navigation commands that clinicians expect:
- "New line" — inserts a line break (for structured notes)
- "New paragraph" — starts a new paragraph
- "Scratch that" — deletes the last dictated block
- "Make this formal" — rewrites dictation into formal clinical prose via AI
- "Summarize" — condenses a long spoken note into a brief summary
- "Make it shorter" — trims verbose dictation
These commands work the same way in every application — no per-app configuration.
Comparison: VoltType vs Dragon Medical vs Windows Voice Access
Privacy Note
VoltType is not HIPAA-certified as a covered entity or business associate. It is a local software tool — in offline mode, your audio never leaves your device, which removes the need for a BAA in many contexts. However, as with any software in a clinical workflow, confirm with your compliance officer for your specific jurisdiction and use case. VoltType's offline mode eliminates the data-transmission risk that typically requires HIPAA review.
Download VoltType Free
Install in 2 minutes. Enable offline mode in Settings for full local processing.
Works in any EHR, Word, Outlook, or clinical app.
Windows 10 / 11 · No account needed to try · Offline mode in Pro
Frequently Asked Questions
Does VoltType require an internet connection for offline mode?
No. Once you download the Whisper model (~1.5 GB, one-time), VoltType processes all audio locally with no internet connection required.
How accurate is VoltType for medical terminology?
Whisper large-v3 (the model VoltType uses) has strong baseline accuracy for medical terms — significantly better than Windows Voice Access. The vocabulary learner further improves recognition of your specific terms over time. Accuracy for rare drug names or procedure codes improves as VoltType learns your usage patterns.
Can I use VoltType in a hospital with strict IT policies?
Yes — VoltType is a standard Windows application that requires no admin privileges to run (user-level install). It doesn't require network access in offline mode, doesn't install kernel-level drivers, and doesn't modify system files. It should pass most enterprise endpoint policies. Check with your IT team if you need formal approval.
What happens if I'm on a call and Ctrl+Space accidentally triggers?
The hotkey can be changed to any combination you prefer (Settings → Hotkey). Many medical users prefer Ctrl+Shift+D or a function key that won't conflict with clinical software shortcuts.