Quickly convert AAC audio files to text — high-quality audio delivers more accurate transcription.
AAC encoding's high audio quality ensures more precise speech recognition.
Efficiently parses AAC encoding for quick transcription completion.
Supports smart summaries, speaker identification, and AI content Q&A.
M4A is a common container format for AAC encoding. Both are fully supported.
AAC has better quality than MP3 and typically achieves better transcription results.
We support most popular audio formats including WAV, MP3, MP4, M4A, WMA, AAC, OGG, AMR, FLAC, and more.
Typically, a 1-hour audio file can be transcribed and analyzed in just a few minutes.
Upload a file, choose the language, then sign in to start your free transcription.
We support 30+ languages including English, Spanish, French, German, Japanese, Korean, Russian, Portuguese, Arabic, Italian, Hindi, Thai, Vietnamese, Indonesian, and many more.
Turn your next recording into searchable notes, summaries, and answers.