145

.145AIFF Audio File

Apple Inc. · 1988

Developer
Apple Inc.
Category
Audio
MIME Type
audio/x-aiff
First Released
1988
Open Format
Yes
File Signature
FORM AIFC
At a Glance
.145
AIFF Audio File

A lossless audio file format developed by Apple, known for preserving high-quality, uncompressed sound.

Reviewed on May 1, 2026
Compression
Uncompressed
Transparency
N/A
Editability
High
Best for
Professional audio

Key Features

  • Lossless audio quality, preserving original sound fidelity.
  • Uncompressed format, resulting in larger file sizes.
  • Supports high sampling rates and bit depths for professional audio.
  • Can store metadata like loop points and instrument information.

Best For

  • When maintaining the absolute highest audio quality is paramount.
  • Professional audio editing and mastering where no data loss is acceptable.
  • Creating audio assets that will be further processed or mixed.
  • Long-term archival of master audio recordings.

Less Ideal For

  • Streaming audio over the internet due to large file sizes.
  • Storing large music libraries on devices with limited space.
  • Portable music players where storage is a concern.
  • Sharing audio files where bandwidth or download time is critical.

Common Use Cases

  • Professional audio recording and editing.
  • Sound design and music production.
  • Archiving high-fidelity audio.
  • Interoperability between professional audio software.

How to Open It

  1. Open on Windows using VLC Media Player, Audacity, or Windows Media Player (with codecs).
  2. Open on macOS with QuickTime Player, VLC Media Player, or Logic Pro X.
  3. Use cross-platform audio editors like Audacity or Adobe Audition.
  4. Many digital audio workstations (DAWs) natively support AIFF files.

What is a .145 file?

The .145 file extension is commonly associated with the AIFF (Audio Interchange File Format) audio file format. Developed by Apple in the late 1980s, AIFF was designed to store high-quality, uncompressed audio data, making it a popular choice for professional audio editing and mastering. It supports various bit depths and sampling rates, preserving the original sound fidelity without loss. While it can be larger than compressed formats like MP3, its adherence to original audio quality makes it a favored option in audio production workflows.

Programs That Open .145 Files

PlatformProgram
WindowsVLC Media PlayerFree
AudacityFree
Adobe AuditionPaidOfficial
macOSQuickTime PlayerFreeOfficial
VLC Media PlayerFree
AudacityFree
LinuxVLC Media PlayerFree
AudacityFree
AndroidVLC for AndroidFree
AIMPFree
iOSVLC for iOSFree
Apple MusicFreeOfficial
Web BrowserOnline Audio ConvertersFree

How to Convert .145 Files

FormatMethod
.MP3Audacity, VLC Media Player, Online Converters
.WAVAudacity, Adobe Audition
.FLACAudacity, Foobar2000

Common Problems with .145 Files

⚠️ Very large file sizes can be inconvenient for storage and transfer.
Convert to a compressed format like MP3 or AAC if file size is a primary concern, or use lossless compression like FLAC if quality must be maintained.
⚠️ Compatibility issues on some older or simpler devices.
Use a media player that supports AIFF or convert to a more widely compatible format like MP3.

Frequently Asked Questions

Is AIFF audio compressed?

No, AIFF is typically an uncompressed audio format, meaning it retains the full quality of the original recording without any loss of data.

Is AIFF better than MP3?

For pure audio quality, yes, as AIFF is lossless and MP3 is lossy. However, MP3 files are significantly smaller, making them better for portable devices and streaming.

Can I edit AIFF files?

Yes, AIFF files are highly editable, especially in professional audio editing software, as they contain raw, uncompressed audio data.

Technical Details

AIFF files are uncompressed and based on the Interchange File Format (IFF). They store audio data in a raw format, allowing for high fidelity. The format supports stereo and mono recordings, with variable sampling rates and bit depths up to 24-bit. It can also store metadata such as loop points and instrument names.

Did You Know?

AIFF was developed by Apple Computer in 1988, alongside the IFF specification.
It was one of the first widely adopted digital audio formats on personal computers, particularly for the Macintosh platform.

Security Information

AIFF files themselves do not typically pose security risks. However, as with any file downloaded from the internet, ensure the source is trustworthy to avoid potential malware embedded within a file disguised as an audio track.

Related Extensions