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.

Free to start — no credit card required.

Your free trial starts today and includes 30 minutes free

Thousands of Sonix customers convert their Chinese (Mandarin) AU files to text

ESPN uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
CIBC uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
Google uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
CNBC uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
NBC Universal uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
ABC News uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
Microsoft uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
Quartz uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
University of Arizona uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
Yale University uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
Stanford University uses automated transcription by Sonix to create Chinese (Mandarin) AU files to text
What's the best way to convert Chinese (Mandarin) AU files to text?

Use Sonix to quickly convert
Chinese (Mandarin) AU files to text

  1. 1
    Log 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.

  2. 2
    Upload your Chinese (Mandarin) AU file~1 min

    Click “Upload” and locate the Chinese (Mandarin) AU file on your computer.

  3. 3
    Choose language: Chinese (Mandarin)~10 sec

    Select Chinese (Mandarin) as the language spoken, then click “Transcribe”.

  4. 4
    Sonix transcribes your AU file~5 min

    Sonix transcribes your Chinese (Mandarin) AU file and converts it to Chinese (Mandarin) text.

  5. 5
    Polish your Chinese (Mandarin) transcript~2 min

    Edit your Chinese (Mandarin) transcript directly in the browser to correct any misheard words.

  6. 6
    Export Chinese (Mandarin) text~10 sec

    Export the Chinese (Mandarin) text to MS Word, PDF, subtitles, or plain text.

Chinese (Mandarin) AU, in detail

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)!
Chinese (Mandarin) AU conversion FAQ

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.

Transcription software reviews

Trusted by professionals worldwide

4.98 rating from 211 reviews

99% accuracy. Every word matters.

AI transcription and translation in 54+ languages.

30 minutes free
No credit card
Cancel anytime