BLUE Ray Bdav Video to AU Audio conversion is the process of extracting and encoding the audio track from an M2TS (Blu-ray BDAV) video container into the AU (Sun/NeXT) audio file format. This conversion isolates audio streams—often PCM or Dolby Digital on Blu-ray discs—and rewraps or transcodes them into the AU container with appropriate sampling and bit-depth settings.
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 .M2TS 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.
M2TS files typically use the video/BDAV MIME type and contain streams encoded with codecs like H.264 for video and AC-3 or LPCM for audio. AU files use the audio/basic MIME type and often employ codecs such as PCM or µ-law. M2TS is common for high-definition video storage on Blu-ray discs, while AU is used primarily in Unix-based audio applications and professional audio processing.
The AU Audio (.AU) format is commonly used for audio. Understanding its characteristics can be helpful when converting to or from other formats like BLUE Ray Bdav Video.
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 BLUE Ray Bdav Video (M2TS) files to AU audio format with our efficient online converter. Designed for quick and lossless conversions, it lets you transform large video files into high-quality audio files suitable for various audio applications.
BLUE Ray Bdav Video (M2TS) contains both video and audio streams, making the files large and suited for high-definition video playback. In contrast, AU Audio files focus solely on audio data, resulting in smaller file sizes optimized for sound reproduction. While M2TS is ideal for video editing and playback, AU is preferred when only audio content is needed.
Keep original audio: If the M2TS audio is LPCM, choose AU with matching sample rate and bit depth to preserve lossless quality.
Optimal file sizes: For high-quality stereo PCM audio expect roughly 10 MB per minute at 16-bit/44.1 kHz; adjust sample rate/bit depth to manage size.
Batch conversion: Use a batch mode or script when processing multiple M2TS files; ensure consistent audio stream selection (track index) across files.
Limitations: Commercial Blu-ray M2TS files may be encrypted (AACS), which prevents direct conversion without decryption; AU does not support advanced codecs like AC-3 or DTS natively without transcoding to PCM.
This converter made extracting audio from my M2TS files effortless.
Michael S.
Audio Engineer
Fast and reliable conversion from BLUE Ray Bdav Video to AU audio, highly recommended.
Linda K.
Video Producer
Perfect quality audio output for my editing needs every time.
James R.
Podcaster
Start your free M2TS to AU conversion now.
Drag your file here to to upload.
Up to 250MB
Quality preservation tip: Avoid transcoding Dolby/DTS to lossy formats—transcode to PCM/AU instead for best fidelity, or extract original PCM tracks when available.