How to convert FLAC 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 FLAC file and help you create captions for your videos in minutes.

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

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

Step 1

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

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

Step 2

Upload the Free Lossless Audio Codec File file(s) (*.FLAC) from your computer, Dropbox, Google Drive, or by dragging it on the page.

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

Step 3

Choose the language spoken in the uploaded FLAC 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 FLAC file and convert it to SRT.

Step 4

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

Step 5: Once your FLAC 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 FLAC 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 FLAC file. You can also adjust the character length and time duration length of each caption.

That's it! Your FLAC 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 FLAC files 💖

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

Convert FLAC audio or speech to subtitle🔈

Frequently Asked Questions for Free Lossless Audio Codec File (*.FLAC)

What is a FLAC file?

Free Lossless Audio Codec file (FLAC) is an audio format similar to MP3, but lossless. What does this mean? The audio in a FLAC file is compressed without any loss in quality, whereas a MP3 file compresses the audio but usually lowers the quality of the file by excluding certain frequencies. A FLAC file works similar to how a ZIP file is compressed. Since FLAC is highly optimized for audio, you’ll receive a better compression ratio when compared to the ZIP compression algorithms. You can play compressed FLAC files in your favorite media player (including VLC, your car, or home stereo, or computer) just like you would an MP3 file (without having to uncompress it separately). FLAC files are one of the fastest and most widely supported lossless audio codecs and is one of the few that are non-proprietary and has a well-documented open-source reference implementation. There are no attached patents for FLAC files. It was developed in 2000 and FLAC files discourage developers to not include any DRM features.

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

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

Know anyone who needs to convert Free Lossless Audio Codec File (.FLAC) to subtitle?

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

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Create closed captions from your Free Lossless Audio 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 Free Lossless Audio Codec File files to captions. 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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