Convert Audio Interchange File Format (.aiff) to Audio Video Interleave (.avi) online for free. Fast, secure audio conversion with no watermarks or registration.
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AIFF is Apple's professional uncompressed audio format, while AVI (Audio Video Interleave) is Microsoft's venerable multimedia container from 1992. Converting AIFF to AVI packages high-quality audio inside a video container, typically paired with a blank or static-image video track. This conversion serves legacy video editing systems, industrial media players, and embedded platforms that only accept AVI input.
Certain industrial and legacy systems — factory floor displays, medical imaging workstations, courtroom presentation systems — only ingest AVI files. If you need to present audio evidence, play background music, or deliver narration through one of these systems, wrapping the AIFF audio in an AVI container is the required approach. AVI with PCM audio also provides sample-accurate editing in legacy video editors like VirtualDub.
FFmpeg reads the AIFF PCM stream and muxes it into an AVI container. The audio can remain as PCM (wav-in-avi, identical quality) or be transcoded to MP3 for broader legacy player support. A blank video track (uncompressed, 1 fps, minimal resolution) is added to ensure compatibility with AVI players that require a video stream. File size with PCM audio is similar to the original AIFF.
With PCM audio inside AVI, quality is 100% identical to the AIFF source — both store raw uncompressed samples. If transcoding to MP3 for legacy compatibility, quality depends on the chosen bitrate (320 kbps MP3 is near-transparent from a PCM source).
| Device | AIFF | AVI |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
AIFF to AVI bridges Apple professional audio with legacy Microsoft video infrastructure. Use PCM audio inside AVI for lossless quality, or MP3 for maximum legacy player compatibility.
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| No |
| الميزة | AIFF | AVI |
|---|---|---|
| الاسم الكامل | Audio Interchange File Format | Audio Video Interleave |
| الامتداد | .aiff | .avi |
| الأفضل لـ | Lossless quality | Windows native |