Translate AAC audio, Convert mobile recordings to text with one click
Professional translation for AAC/M4A audio. Seamlessly supports iPhone and Android recording files. Instantly generate meeting transcripts and subtitles, with SR subtitle export available.
Superior to traditional AAC translation
"AAC (Advanced Audio Coding) is the default recording format for iPhone and most Android devices (typically as .m4a files). O.Translator natively supports AAC-encoded audio, allowing you to directly upload meetings, interviews, or memos recorded on your phone and obtain rapid, accurate translated transcripts."
Not just translating text,
but restoring the soul of your documents
Mobile-Optimized Formats
Fully compatible with popular mobile formats such as .m4a and .aac. Effortlessly resolve issues accessing or processing mobile recordings on your computer.
High Compression Ratio with Superior Audio Quality
AAC provides superior audio quality to MP3 at the same bitrate. Our AI engine fully utilizes this advantage to deliver highly accurate speech recognition.
Intelligent Subtitle Generation
Convert AAC audio to SRT/VTT subtitles with precise timecodes. Achieves perfect alignment with speech rhythm, making it ideal for Vlog subtitle production.
Multilingual Translation
Regardless of whether the recording is in English, Japanese, or French, you can translate it into your native language with a single click—eliminating language barriers.
Automatic Privacy Deletion
Uploaded confidential recordings are automatically deleted 7 days after translation is complete, allowing you to process personal memos with complete peace of mind.
Flexible Text Export
Supports exporting as plain text (TXT) for note organization, or as subtitle files (SRT) for video editing.
Why does format matter?
- Precise formatting is the hallmark of professionalism.
- Reduce secondary formatting time.
- Ensure accurate and precise information delivery.
Core translation scenarios
Reliably meeting every translation scenario
Mobile Office Meetings
Upload meeting recordings directly from your mobile device. Instantly generate text summaries—no need for export or format conversion.
Video Audio Track Extraction
Process AAC audio tracks extracted from MP4 videos. Produce multilingual subtitles and streamline post-production workflows.
Lecture Transcription
Translate classroom recordings for international students. Convert foreign-language lectures into native-language notes for more effective study and review.
Differentiated advantages
Why do professional teams choose us?
Direct Upload—No Conversion Required
No need to use a converter to change m4a files to mp3. Simply upload the original file to save time and preserve original audio quality.
High Transcription Accuracy
Powered by advanced models such as Whisper, the system processes natural speech, filler words, and pauses with exceptional accuracy.
Effortless Operation
A streamlined interface completes the process in three simple steps: upload, select language, and download results—requiring zero learning curve.
Translation FAQs
Easy Translation in Just 3 Steps
1. Upload Your File
Click Translation page , Access the operational interface and complete the login process if required.
Supports over 30 common document formats including PDF, Word, and Excel - simply drag and drop or select your files.
2. Select Translation Language
Simply configure your source language and desired target language—we support translation between over 80 languages.
3. Start Translation and Await Results
You don't need to remain on the page while waiting. Once translation is completed, we will immediately notify you via email to review the results.
Complimentary Trial Translation – Pay Only When Satisfied
We support free translation of selected sections. Continue once you're satisfied with the results.
Start Translation