Convert AMR to PDF

Sonix transcribes your AMR file and exports it as a professional PDF document that you can share with colleagues and clients.

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About This Format

Understanding AMR files

What is a AMR file?

Speech-optimized mobile audio format

AMR was adopted as the standard speech codec by the 3rd Generation Partnership Project Group (3GPP)and is now widely used in GSM and UMTS for 3G mobile phones and devices.
The Adaptive Multi-Rate (AMR) audio file format that is optimized for speech coding. Thus, most audio saved in the AMR file format is compressed and optimized for human speech frequency ranges. Thus, the AMR speech codec consists of a multi-rate narrowband speech codec that encodes narrowband (200–3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with normal quality speech starting at 7.4 kbit/s. Since it is used mainly for mobile speech communication, it chooses between the 8 different bit rates based on link conditions.

Common Uses

  • Voice recordings on mobile
  • Voicemail messages
  • GSM phone calls

Audio Quality

Designed for speech; may struggle with music or ambient audio

Transcription Tips for AMR

  • Optimized for speech - works well for voice transcription
  • Limited frequency range may affect music transcription

Where AMR Files Come From

  • Android voice recorders
  • Mobile phone voicemail
  • 3G phone recordings
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Get your AMR PDF in minutes
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How It Works

Convert AMR to PDF in 6 steps

Step 1

Create account

Sign up for Sonix's free trial. Includes 30 minutes free.

Step 2

Upload file

Upload your AMR file from your computer or cloud storage.

Step 3

Select language

Choose from 53+ languages spoken in your file.

Step 4

Auto-transcribe

Sonix AI transcribes your AMR audio automatically.

Step 5

Edit transcript

Polish your transcript before exporting to PDF.

Step 6

Export PDF

Download your AMR transcript as a professional PDF.

Common Questions

Everything about AMR to PDF

Can you convert AMR to PDF?

Yes! Sonix transcribes your AMR file and exports it as a professionally formatted PDF document.

What does the PDF include?

The PDF includes the full transcript with speaker labels, timestamps (optional), and professional formatting for easy reading and sharing.

Can I customize the PDF format?

Yes! You can choose to include or exclude timestamps, speaker labels, and paragraph breaks. Customize the layout before export.

How long does AMR to PDF take?

Sonix processes files 10x faster than real-time. After transcription, PDF export is instant.

Can I edit before exporting to PDF?

Yes! Use our browser-based editor to make corrections and polish your transcript before downloading the PDF.

What's the PDF file size?

PDF transcripts are text-based and very compact. Even long recordings produce PDFs under 1MB.

Why Sonix

Professional PDFs from AMR files

Professional Format

Get clean, professionally formatted PDFs perfect for sharing and archiving.

Timestamps Optional

Include or exclude timestamps based on your needs.

Speaker Labels

Automatically identify and label different speakers.

Easy Sharing

PDFs are universally readable and easy to share with anyone.

Related

More ways to convert AMR files

Other AMR conversions

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Other file formats

OGG to text
AIFC to text
OGA to text
FLAC to text
M4A to text
MTS to text
GSM to text
OPUS to text
MP3 to text
XSPF to text
See all supported file formats
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Shanghai, China
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