AUDIO Video Interleave to AU Audio conversion is the process of extracting or re-encoding the audio stream from an AVI (Audio Video Interleave) file into the AU audio file format. This converts multimedia container audio—often stored in codecs like MP3, PCM, or AAC inside AVI—into the simple, header-based AU format used historically on Unix systems and certain audio applications.
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Read guide →Drag your .AVI 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.
AVI files use the MIME type video/x-msvideo and commonly contain audio codecs like MP3 or PCM along with video streams. AU files have the MIME type audio/basic or audio/x-au and typically store audio in PCM or u-law codecs. AVI is widely used for video playback on Windows systems, whereas AU is favored in UNIX environments and older audio applications.
The AU Audio (.AU) format is commonly used for video. Understanding its characteristics can be helpful when converting to or from other formats like AUDIO Video Interleave.
While specific technical details aren't available here, AU Audio files generally serve the purpose of storing video effectively within their domain.
Our Online AVI to AU Converter allows you to effortlessly convert AUDIO Video Interleave files into AU Audio format without compromising quality. Whether you need to extract audio or change file compatibility, our tool provides a fast and user-friendly solution tailored for all your conversion needs.
AUDIO Video Interleave (AVI) is a multimedia container that supports both video and audio streams, often resulting in larger file sizes. AU Audio is a simpler audio file format primarily designed for storing raw or compressed audio data, making it more lightweight and focused on audio quality. While AVI offers rich media capabilities, AU is preferred for straightforward audio playback and editing.
Keep original audio sample rate (e.g., 44.1 kHz) when possible to preserve fidelity; downsample only if needed for size or compatibility.
For best quality, extract PCM audio from AVI rather than transcoding compressed streams repeatedly; use lossless paths when available.
Use batch conversion for multiple files but limit concurrent jobs to avoid CPU/memory bottlenecks; split very large batches into smaller groups.
Optimal file sizes: aim for AU files under 100 MB for easy sharing; use mu-law/a-law encoding to reduce size if compatibility allows.
This AVI to AU converter saved me hours on audio extraction.
James L.
Audio Engineer
Simple and fast conversion with great audio quality.
Maria P.
Content Creator
Perfect for integrating AVI audio into my UNIX-based workflow.
David K.
Software Developer
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Format limitation: AU is primarily an audio container with limited metadata and modern codec support, so complex multi-track or Dolby-coded audio in AVI may be simplified during conversion.