Thousands of Sonix customers convert their Chinese (Cantonese) GSM files to text 
What's the best way to convert Chinese (Cantonese) GSM files to text? 
Use Sonix to convert Chinese (Cantonese) GSM files to text
Follow these six easy steps to quickly and easily convert your Chinese (Cantonese) GSM files to text:
Step 1: Log into your Sonix account
If you don't have one, you can sign up for Sonix's free account—30 minutes of free transcription/translation.
Step 2: Upload your Chinese (Cantonese) GSM file
In Sonix, click “Upload” and locate the Chinese (Cantonese) GSM file on your computer.
Step 3: Choose language: Chinese (Cantonese)
Select Chinese (Cantonese) in the dropdown that asks 'What language was spoken?.' Then, click the “Transcribe” button.
Step 4: Sonix transcribes your GSM file
Sonix automatically transcribes your Chinese (Cantonese) GSM file and converts it to Chinese (Cantonese) text.
Step 5: Polish your Chinese (Cantonese) transcript
Edit your Chinese (Cantonese) transcript by typing directly into your browser to correct any words that were not transcribed perfectly.
Step 6: Export Chinese (Cantonese) text
Export the Chinese (Cantonese) text to any format you want including MS Word, PDF, subtitles, or a simple text file.
All done! You have now successfully converted your Chinese (Cantonese) GSM file to text!
How to improve the accuracy of your Chinese (Cantonese) transcripts?
Start by improving the quality of the Chinese (Cantonese) GSM file that you upload to Sonix. Please use high quality recording equipment, recording in a quiet environment, and ensure that your speakers are speaking clearly to ensure that your transcript is as accurate as possible.
Any advice for the Chinese (Cantonese) GSM file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Chinese (Cantonese) GSM file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from GSM, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Chinese (Cantonese) with Sonix:
What customers say about Sonix's automated transcription 
The speech to text was fast and very accurate.
It really accelerated my work and I was amazed by the accuracy, especially given that the video featured only non-native speakers.
I am impressed by the almost perfect accuracy of the conversion and the speed by which the transcription was completed. Your web display is also impressive with clear and easy-to-use links.
Fast and easy, and accurate. And searchable.
In one word? FAN-TAS-TIC!! The possibility to split the transcript to subtitles AND split them! THAT IS FANTASTIC!!
Your software is absolutely mind blowing. It is worth every penny!
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Convert Chinese (Cantonese) GSM files to text with Sonix 
Sonix automatically transcribes and translates your audio and video files in over 38 languages. Easily search, edit, and share your media files. Sonix uses advanced transcription and translation algorithms to convert your Chinese (Cantonese) GSM files to text both fast and accurate. Fast, accurate, and affordable. Millions of users from all over the world.
Includes 30 minutes of free transcription