How to convert GSM to subtitles with Sonix

Sonix converts your audio-to-text using the latest natural language processing (NLP) algorithms—it's fast, easy, beautiful, and affordable. We extract the speech from your GSM file and help you create subtitles for your videos in minutes.

Convert GSM to subtitles
Free trial—includes 30 minutes free credit

How to convert GSM to subtitles with automated transcription 📋

Step 1: Create a free Sonix account to start converting your GSM file to srt

Step 1

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

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

Step 2

Upload the Global System for Mobile Audio File file(s) (*.GSM) from your computer, Dropbox, Google Drive, or by dragging it on the page.

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

Step 3

Choose the language spoken in the uploaded GSM file. We support over 37 different languages including English, Spanish, German, and French. Then click the 'Start Transcribing Now' button.

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

Step 4

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

Step 5: Once your GSM was converted to SRT, 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 subtitle. It's like a word processor: simply type in your browser to correct any words.

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

Step 6

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

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

Thousands of incredible customers create subtitles from their GSM files with Sonix 💖

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Convert GSM audio or speech to subtitle🔈

Frequently Asked Questions for Global System for Mobile Audio File (*.GSM)

What is a GSM file?

GSM is a compressed audio stream that is primarily used by cell phones. GSM files are designed for telephone-quality audio use in Europe and stores audio mainly for telephone quality voice. It makes for a good balance between size of file and quality retention with data around 96KB per minute. GSM is primarily used for voicemail storage or to record phone conversations that will be played back later.

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

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

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Convert Global System for Mobile Audio File to subtitles (SRT & VTT) 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 Global System for Mobile Audio File files to subtitles. Sign up today and start transcribing.

Fast, accurate automated transcription

Includes 30 minutes of free transcription

Transcribe and translate confidently knowing you’re backed by our award-winning team who is ready to answer your questions. You can also visit our Support Center for tips, articles, and videos.

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