VIDEO Object to AU Audio conversion is the process of extracting and converting the audio stream from a VOB (Video Object) container—commonly used on DVDs—to the AU audio file format, a simple and widely supported audio container originally from Sun Microsystems. This conversion isolates the soundtrack (PCM, AC3, or MPEG audio typically found in VOB) and re-encodes or repackages it into AU for playback or editing in audio-focused tools.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
FLAC and MP3 solve different audio problems. FLAC preserves every sample for archiving, editing, and serious listening, while MP3 creates compact files for phones, cars, streaming libraries, and quick sharing. This guide explains how FLAC to MP3 conversion works, which bitrate settings are most transparent, how to protect tags and album art, and when you should avoid converting at all.
Read guide →Learn how to convert WAV to MP3 with optimal quality settings. This guide covers bitrate selection, CBR vs VBR encoding, step-by-step conversion methods using online tools, Audacity, and FFmpeg, plus expert advice on preserving audio fidelity during compression.
Read guide →A comprehensive comparison of MP3, FLAC, AAC, WAV, and OGG audio formats. Learn which codec delivers the best quality, compatibility, and file size for music, podcasts, and archiving.
Read guide →Drag your .VOB file from your computer or use the browse function.
Confirm .au as the selected destination format.
Click "Convert" and download your converted .AU file once ready.
VOB files typically use the MIME type video/dvd and contain MPEG-2 video and AC-3 or PCM audio codecs. AU files have the MIME type audio/basic and usually store audio in µ-law or linear PCM encoding. VOB is used mainly for DVD video playback, whereas AU is common in Unix and legacy systems for audio data.
The AU Audio (.AU) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like VIDEO Object.
While specific technical details aren't available here, AU Audio files generally serve the purpose of storing audio effectively within their domain.
Easily convert your VIDEO Object (.VOB) files to AU Audio format with our efficient online converter. Designed to provide seamless audio extraction and ensure compatibility with various audio players and editing software, our tool simplifies the conversion process for users of all levels.
VIDEO Object (VOB) files are container files commonly used for DVD video content, containing both video and audio streams. In contrast, AU Audio files are audio-only formats primarily used for sound data storage and playback. While VOB files are large and multimedia-rich, AU files are lightweight and focused solely on audio.
Keep individual VOB inputs under 1 GB for faster uploads; split very large DVD rips into chapters before converting.
To preserve highest audio fidelity, choose uncompressed PCM AU at the original sample rate and bit depth rather than downsampling or using µ-law.
For consistent results with AC-3 tracks, decode to PCM first (lossless) then save to AU; direct lossy re-encodes can introduce artifacts.
Use batch conversion when processing multiple DVD chapters, but verify file names and track order to avoid mix-ups.
This VOB to AU converter made extracting audio so simple and fast.
James L.
Audio Engineer
Finally, a tool that preserves audio quality from my video projects.
Maria S.
Content Creator
Reliable and easy-to-use converter, perfect for quick audio conversions.
David R.
IT Specialist
Start your free VOB to AU conversion now.
Drag your file here to to upload.
Up to 250MB
Format limitation: AU is an audio-only container and cannot store Dolby metadata or multichannel layouts beyond basic PCM channel interleaving without compatibility risks.