Accurately convert
Chinese (Mandarin) AU files to text
Sonix automatically transcribes your Chinese (Mandarin) AU files to text in minutes. Access industry-leading artificial intelligence and the days of manually transcribing your Chinese (Mandarin) AU files are long gone. Chinese (Mandarin) speech to text: Sonix has been independently reviewed the most accurate Chinese (Mandarin) automated transcription, translation, and subtitling platform.
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Thousands of Sonix customers convert their Chinese (Mandarin) AU files to text











Use Sonix to quickly convert
Chinese (Mandarin) AU files to text
- 1Log into your Sonix account~30 sec
If you don't have one, you can sign up for Sonix's free account — Your free trial includes 30 minutes of transcription and translation.
- 2Upload your Chinese (Mandarin) AU file~1 min
Click “Upload” and locate the Chinese (Mandarin) AU file on your computer.
- 3Choose language: Chinese (Mandarin)~10 sec
Select Chinese (Mandarin) as the language spoken, then click “Transcribe”.
- 4Sonix transcribes your AU file~5 min
Sonix transcribes your Chinese (Mandarin) AU file and converts it to Chinese (Mandarin) text.
- 5Polish your Chinese (Mandarin) transcript~2 min
Edit your Chinese (Mandarin) transcript directly in the browser to correct any misheard words.
- 6Export Chinese (Mandarin) text~10 sec
Export the Chinese (Mandarin) text to MS Word, PDF, subtitles, or plain text.
Understanding Chinese (Mandarin) AU files
Standard Mandarin (Putonghua in mainland China, Guoyu in Taiwan) is based on Beijing pronunciation, but regional accents differ noticeably — Taiwanese and southern speakers often merge the retroflex zh/ch/sh sounds with z/c/s, while northern speech adds erhua (r-coloring). Mandarin is also distinct from Cantonese, Shanghainese, and Hokkien, which are separate Chinese languages and not mutually intelligible with it.
AU technical specifications
- Codec
- µ-law, A-law, or linear PCM (Audacity block files use 32-bit float PCM)
- Container
- AU (Sun audio)
- Typical bitrate
- Varies by encoding; classic 8 kHz µ-law files are 64 kbps
- Sample rate
- 8–48 kHz typical (8 kHz for classic µ-law); the header supports arbitrary rates, and Audacity chunks use the project's rate
- Compression
- Container (varies)
Chinese (Mandarin) at a glance
- Speakers
- ~1.1 billion speakers worldwide
- Writing system
- Chinese characters — simplified (mainland China, Singapore) and traditional (Taiwan, Hong Kong, Macau)
- Say hello
- 你好 (Nǐ hǎo)!
Frequently asked questions
How to improve the accuracy of your Chinese (Mandarin) transcripts?
Start by improving the quality of the Chinese (Mandarin) AU 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 (Mandarin) AU file that I upload?
Yes, please do not over-compress or over-filter the audio track of your Chinese (Mandarin) AU file. By uploading a high quality version of your audio, we can give you the best level of accuracy.
Aside from AU, do you support other types of audio/video files?
Yes, we do! You can convert the following file types in Chinese (Mandarin) with Sonix:
Why is my Audacity project folder full of small AU files?
Older versions of Audacity split a project's audio into small AU block files inside a _data folder so long tracks could be edited efficiently, and the .aup project file reassembles them in order. Avoid moving or renaming these chunks; open the project and export the audio instead.
How do I play a standalone AU file?
Standalone AU files use the Sun audio format and open in players such as VLC and editors such as Audacity. Converting to WAV or MP3 gives the broadest compatibility with modern software and devices.
Can Sonix transcribe Mandarin Chinese audio and video?
Yes. Upload your Mandarin audio or video file and Sonix generates a timestamped transcript in Chinese characters, which you can edit in your browser and export to formats like DOCX, PDF, and SRT.
Does Mandarin transcription work for Cantonese recordings?
No — Mandarin and Cantonese are distinct spoken languages, so a Mandarin model will not accurately transcribe Cantonese speech. Confirm which language your recording uses before you upload.
Can Sonix handle Mandarin recordings that mix in English words?
Occasional English names and terms are common in Mandarin business and tech audio. Automated transcription works best when one language dominates the recording, and you can correct mixed-language segments in the transcript editor.
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So fast, so easy. This has saved me hours for every 20 minutes of recording.
I am very happy with the quality of the transcriptions! Having tried numerous other services, none can compare based on the quality for the value.
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