How to convert AAC 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 AAC file and help you create subtitles for your videos in minutes.

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

How to convert AAC to subtitles with automated transcription 📋

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

Step 1

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

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

Step 2

Upload the Advanced Audio Coding File file(s) (*.AAC) from your computer, Dropbox, Google Drive, or by dragging it on the page.

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

Step 3

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

Step 4

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

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

That's it! Your AAC 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 AAC files with Sonix 💖

Google converts their AAC audio files to srt with Sonix. You should too!Microsoft converts their AAC audio files to srt with Sonix. You should too!NBC Universal converts their AAC audio files to srt with Sonix. You should too!Harvard University converts their AAC audio files to srt with Sonix. You should too!Stanford University converts their AAC audio files to srt with Sonix. You should too!Yale University converts their AAC audio files to srt with Sonix. You should too!ABC News converts their AAC audio files to srt with Sonix. You should too!ESPN converts their AAC audio files to srt with Sonix. You should too!Quartz converts their AAC audio files to srt with Sonix. You should too!CNBC converts their AAC audio files to srt with Sonix. You should too!CIBC converts their AAC audio files to srt with Sonix. You should too!

Convert AAC audio or speech to subtitle🔈

Frequently Asked Questions for Advanced Audio Coding File (*.AAC)

What is a AAC file?

Advanced Audio Coding (AAC) is the default encoding used by Apple iTunes and the iTunes Music Store. It is a compressed audio file similar to an .MP3 file, but offers several performance improvements; examples include a higher coding efficiency for both stationary and transient signals, a simpler filterbank, and better handling of frequencies above 16 kHz; maintains quality nearly indistinguishable from the original audio source.

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

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

Know anyone who needs to convert Advanced Audio Coding File (.AAC) to subtitle?

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

Tell your friends about Sonix:

Convert Advanced Audio Coding 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 Advanced Audio Coding 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.

Visit our Help Center