AIF vs SHN
A detailed comparison of AIFF Audio (short) and Shorten Audio — file size, quality, compatibility, and which format to choose for your workflow.
AIFF Audio (short)
Audio FilesAIF is the short file extension for AIFF (Audio Interchange File Format), an uncompressed audio standard developed by Apple based on the IFF structure. It provides CD-quality lossless audio and is widely used in professional music production on macOS.
About AIF filesShorten Audio
Audio FilesShorten (SHN) is one of the earliest lossless audio compression formats, developed by Tony Robinson. It was widely used in the live music trading community for sharing concert recordings before FLAC became the dominant lossless format.
About SHN filesStrengths Comparison
AIF Strengths
- Lossless and uncompressed — bit-exact audio.
- Universal Mac compatibility.
- Compatible with every pro audio editor.
- 3-character extension for legacy Windows.
SHN Strengths
- Lossless.
- Historical artifact of 1990s music trading.
- Modern decoder availability.
Limitations
AIF Limitations
- Large files — no compression.
- Same limitations as .aiff.
- Redundant extension in modern workflows.
SHN Limitations
- Historically royalty-encumbered.
- Obsolete for new recordings.
- FLAC offers better compression.
Technical Specifications
| Specification | AIF | SHN |
|---|---|---|
| MIME type | audio/aiff | audio/x-shorten |
| Extension | .aif | .shn |
| Container | IFF (big-endian PCM) | — |
| Alias of | .aiff | — |
| Variants | .aifc (AIFF-Compressed) | — |
| Algorithm | — | Linear prediction + Rice coding |
| Successor | — | FLAC |
Typical File Sizes
AIF
- 3-min song (CD quality) 30 MB
- 3-min song (24-bit / 96 kHz) 100 MB
SHN
- Full concert recording 300-500 MB
Ready to convert?
Convert between AIF and SHN online, free, and without installing anything. Encrypted upload, automatic deletion after 2 hours.
Frequently Asked Questions
AIF (AIFF Audio (short)) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
SHN (Shorten Audio) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
VLC, foobar2000, and the default media players on Windows and macOS handle AIF natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
VLC, foobar2000, and the default media players on Windows and macOS handle SHN natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
Upload the AIF to KaijuConverter and pick MP3, WAV, FLAC, AAC, OGG, or any other target. Our FFmpeg pipeline decodes the audio and re-encodes to the target format at sensible default bitrates (VBR ~190 kbps for music, 96 kbps for speech). Metadata and cover art travel with the audio where both formats support them.
AIF can be lossy or lossless depending on the specific variant. Lossy variants (smaller files) discard some audio detail during compression in ways tuned to be inaudible; lossless variants preserve every sample exactly but produce larger files. For distribution, lossy at high bitrate is standard; for archival, lossless wins.