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AMR-WB HD Transcriber


AMR-WB brings wideband quality to mobile voice recording, delivering clearer speech than standard AMR. Used in modern voice calls and HD voice services, these files deserve equally high-definition transcription. Our converter maximizes the format’s enhanced frequency range for superior accuracy.


How the AMR-WB HD Transcriber works


Upload your AMR-WB file from HD voice recordings or VoLTE calls. The converter leverages the wideband audio (50Hz-7kHz) for improved speech recognition compared to narrow-band formats. The enhanced frequency range captures more natural speech patterns and subtle pronunciations. Export transcripts that reflect the improved audio quality of your HD voice recordings.

AMR-WB transcription captures modern mobile communication. Business professionals transcribe HD conference calls, journalists convert high-quality phone interviews, and customer service teams document VoLTE interactions. The format’s superior quality over standard AMR means more accurate transcripts.



Meet the fastest voice-to-text for professionals


WriteVoice turns your voice into clean, punctuated text that works in any app. Create and ship faster without typing. Your first step was AMR-WB HD Transcriber; your next step is instant dictation with WriteVoice.



A blazing-fast voice dictation

Press a hotkey and talk. WriteVoice inserts accurate, formatted text into any app, no context switching


Works in any app

Press one hotkey and speak; your words appear as clean, punctuated text in Slack, Gmail, Docs, Jira, Notion, and VS Code—no context switching, just speed with writevoice

Accurate, multilingual, and smart

97%+ recognition, smart punctuation, and 99+ languages so your ideas land first try, built for teams and pros.

Private by default

Zero retention, audio and text are discarded instantly, with on-device controls so you can dictate sensitive work confidently.



Start with AMR-WB HD Transcriber, then level up to WriteVoice.io