AU Audio to DTS conversion is the process of transforming audio data stored in the AU (Audible/NeXT/Sun audio) container into the DTS (Digital Theater Systems) multichannel audio format. This conversion repackages and, if necessary, transcodes the audio to match DTS encoding and channel/bitrate requirements so the file plays correctly on DTS-capable devices and playback systems.
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Read guide →Drag your .AU file from your computer or use the browse function.
Confirm .dts as the selected destination format.
Click "Convert" and download your converted .DTS file once ready.
AU files typically use the audio/basic MIME type and store uncompressed or lightly compressed audio data. They are commonly associated with Sun Microsystems systems. DTS files use the audio/vnd.dts MIME type and incorporate advanced compression codecs designed for multi-channel surround sound. DTS is widely used in DVDs, Blu-rays, and digital cinema for high-quality audio delivery.
The DTS (.DTS) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like AU Audio.
While specific technical details aren't available here, DTS files generally serve the purpose of storing audio effectively within their domain.
Easily convert your AU audio files to DTS format using our reliable online converter. Designed for users seeking high-quality audio transformations, our tool delivers fast results without software installation. Whether you need better compatibility or advanced audio features, converting AU to DTS has never been simpler.
AU Audio is an older, basic audio format primarily used in legacy systems, whereas DTS is a modern, high-definition surround sound format designed for immersive audio experiences. While AU offers simple mono or stereo sound, DTS supports multi-channel audio for richer playback. Choosing DTS over AU enhances sound clarity and device compatibility.
Keep individual AU files under 250 MB for fast browser-based conversion; use a desktop tool or premium service for larger files.
To preserve quality, start with the highest-sample-rate and uncompressed AU (PCM 16-bit/24-bit) available; choose DTS-HD MA or high-bitrate DTS for minimal audible loss.
For consistent batch results, normalize levels and ensure all AU files share sample rate and channel layout before converting.
Note format limitation: simple AU containers may contain low-bit or mono audio—converting mono AU to multichannel DTS will upmix but cannot recreate true surround detail.
This AU to DTS converter is fast and preserves audio quality perfectly.
Michael R.
Audio Engineer
I love how simple it is to convert my AU files to DTS without extra software.
Jennifer L.
Music Producer
Great tool for getting DTS files ready for my surround sound system.
Daniel K.
Home Theater Enthusiast
Start your free AU to DTS conversion now.
Drag your file here to to upload.
Up to 250MB
If archiving or editing post-conversion, retain a lossless master (e.g., WAV or original AU PCM) to avoid repeated generation loss when re-encoding to DTS multiple times.