How to convert AMR to closed captions with Sonix

Sonix converts your audio-to-text using the latest artificial intelligence algorithms—it's fast, easy, beautiful, and affordable. We extract the speech from your AMR file and help you create captions for your videos in minutes.

Convert AMR to captions
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How to convert AMR to closed captions with automated transcription 📋

Step 1: Create a free Sonix account to start converting your AMR file to a closed caption file

Step 1

Sign up for a free Sonix trial account—includes 30 minutes of free AMR to captions conversion.

Step 2: Upload your AMR files from your computer, Google Drive, Dropbox, or by dragging it on the page.

Step 2

Upload the Adaptive Multi-Rate Codec File file(s) (*.AMR) from your computer, Dropbox, Google Drive, or by dragging it on the page.

Step 3: Select the language spoken in your AMR file, then click 'Start Transcribing Now.'

Step 3

Choose the language spoken in the uploaded AMR file. We support over 37 different languages including Russian, Chinese, Spanish, and English. Click the 'Start Transcribing Now' button.

Step 4: Sonix does all the work so grab a tasty cupcake. Our servers will extract the audio from your AMR file and convert it to SRT.

Step 4

Sonix will then automatically transcribe the audio from your AMR file and convert it to a simple text format. Grab a cupcake, it will take only a few minutes.

Step 5: Once your AMR was converted to text, you might need to polish up the transcript. Now, you can easily do that with our AudioText Editor.

Step 5

Use the Sonix AudioText Editor to polish your transcript before we convert it to a caption file. Simply type in your browser to correct any words in your transcript.

Step 6: Download a SRT version of your AMR file by clicking Export and selecting 'Subrip caption file (.srt).'

Step 6

Click the 'Export' button. Choose either 'Subrip subtitle file (.srt)' or 'WebVTT file (.vtt)' from the dropdown to download the closed caption version of your AMR file. You can also adjust the character length and time duration length of each caption.

That's it! Your AMR file has now been converted to closed captioning and is ready for the next step in your workflow!🎉

Thousands of incredible customers use SOnix to create closed captions from their AMR files 💖

  • Google converts their AMR audio files to closed captions with Sonix
  • Microsoft converts their AMR audio files to closed captions with Sonix
  • NBC Universal converts their AMR audio files to closed captions with Sonix
  • ESPN converts their AMR audio files to closed captions with Sonix
  • Stanford University converts their AMR audio files to closed captions with Sonix
  • Yale University converts their AMR audio files to closed captions with Sonix
  • University of California in Los Angeles (UCLA) converts their AMR audio files to closed captions with Sonix
  • ABC News converts their AMR audio files to closed captions with Sonix
  • Quartz converts their AMR audio files to closed captions with Sonix
  • CNBC converts their AMR audio files to closed captions with Sonix
  • CIBC converts their AMR audio files to closed captions with Sonix

Convert AMR audio or speech to subtitle🔈

Frequently Asked Questions for Adaptive Multi-Rate Codec File (*.AMR)

What is a AMR file?

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.

Does Sonix transcribe audio files with a *.AMR file extension?

Yes, Sonix does automatically transcribe audio files with a .AMR file extension. Sonix is an online audio to text converter. Convert any audio (amr, mp3, m4a, wav, ...) or video (mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.AMR files and converts them to text in a subtitle format.

Know anyone who needs to convert Adaptive Multi-Rate Codec File (.AMR) to subtitle?

We'd appreciate it if you tell them about Sonix—the best way to convert AMR to subtitle.

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Create closed captions from your Adaptive Multi-Rate Codec File files with Sonix 🚀

Sonix transcribes your audio and video files in over 37 languages so they are easy to search, edit, and share. Sonix is an online, fully-automated speech to text service that quickly converts Adaptive Multi-Rate Codec File files to captions. Sign up today and start transcribing.

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Includes 30 minutes of free transcription

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