320

.320High-Resolution Audio File

Various (MP3 encoding standard) · 1993

Developer
Various (MP3 encoding standard)
Category
Audio
MIME Type
audio/x-mpeg-320
First Released
1993
Open Format
Yes
File Signature
ID3v2 tag (often) followed by MPEG audio stream
At a Glance
.320
High-Resolution Audio File

A .320 file is an MP3 audio file encoded at a high bitrate (320 kbps), offering near-CD quality sound in a compressed format.

Reviewed on May 8, 2026
Compression
Lossy
Transparency
No
Editability
Medium
Best for
High-quality compressed audio

Key Features

  • High bitrate (320 kbps) for excellent perceived audio quality.
  • Lossy compression, significantly reducing file size compared to uncompressed formats.
  • Wide compatibility with most audio players and devices.
  • A common standard for distributing high-quality MP3 audio online.

Best For

  • Achieving the best possible quality within the MP3 format.
  • Users who prioritize sound quality but need smaller file sizes than lossless formats.
  • Ensuring broad playback compatibility across various devices.
  • Sharing music files where excellent quality is important.

Less Ideal For

  • Archival purposes where absolute audio integrity is required (use lossless formats like FLAC or WAV).
  • Professional audio editing and mastering where every detail matters.
  • Situations where minimal file size is the absolute top priority.
  • Extremely low-bandwidth streaming scenarios.

Common Use Cases

  • Distributing music with high fidelity online.
  • Storing personal music libraries with good quality and reasonable size.
  • Streaming audio where bandwidth is sufficient for high quality.
  • Archiving audio recordings where extreme fidelity isn't paramount but quality is desired.

How to Open It

  1. Double-click the .320 file; most operating systems will open it with the default media player.
  2. Open the file using dedicated audio playback software like VLC Media Player, Foobar2000, or Windows Media Player.
  3. Import the file into digital audio workstations (DAWs) or audio editing software for processing.
  4. Drag and drop the file into supported music player applications.

What is a .320 file?

A .320 file typically represents an MP3 audio file encoded at a bitrate of 320 kilobits per second. This is often considered the highest standard bitrate for MP3 compression, offering a good balance between audio quality and file size. While not lossless, it's high enough that most listeners can't distinguish it from the original uncompressed audio in normal listening conditions. These files are widely compatible across many devices and software players.

Programs That Open .320 Files

PlatformProgram
WindowsVLC Media PlayerFree
Foobar2000Free
Windows Media PlayerFreeOfficial
macOSVLC Media PlayerFree
QuickTime PlayerFreeOfficial
IINAFree
LinuxVLC Media PlayerFree
AudaciousFree
RhythmboxFree
AndroidVLC for AndroidFree
PowerampPaid
iOSVLC for MobileFree
Apple MusicPaidOfficial
Web BrowserOnline Audio Converters (e.g., CloudConvert, Zamzar)Free

How to Convert .320 Files

FormatMethod
.FLACVLC Media Player, Online Converters
.WAVAudacity, Online Converters
.OGGVLC Media Player, Online Converters

Common Problems with .320 Files

⚠️ File won't play.
Ensure your media player supports MP3 files, or try a more versatile player like VLC. The file might also be corrupted.
⚠️ Poor audio quality.
While 320 kbps is high for MP3, it's still lossy. For critical listening or archiving, consider lossless formats like FLAC. The original source may have also been low quality.

Frequently Asked Questions

Is .320 the same as MP3?

.320 is a common file extension convention for MP3 files specifically encoded at 320 kbps, representing a high-quality version of the MP3 format.

Is 320 kbps lossless?

No, 320 kbps is a lossy compression format. While it offers very high perceived quality, some audio data is permanently discarded during compression.

Can I convert .320 files to other formats?

Yes, you can convert .320 (MP3) files to formats like FLAC, WAV, or AAC using audio conversion software or online tools.

Technical Details

The .320 extension is a convention for MP3 files specifically encoded at 320 kbps. MP3 (MPEG-1 Audio Layer III) is a lossy compression format that uses psychoacoustic modeling to remove audio data that is less perceptible to the human ear. The 320 kbps bitrate represents the maximum constant bitrate (CBR) commonly used for MP3, maximizing detail retention.

Did You Know?

The .320 designation highlights the bitrate, indicating a premium quality for MP3s.
Despite its widespread use, .320 is not an officially defined standard by the MPEG group; it's a convention adopted by users and encoders.

Security Information

Like any digital audio file, .320 files are generally safe. However, downloading from untrusted sources could potentially embed malicious code. Always ensure your antivirus software is up-to-date.

Related Extensions