aplg

.aplg — Apple Lossless Audio Codec

Apple Inc. · 2004

Developer

Apple Inc.

Key Features

Lossless audio compression preserves original sound quality.
Open format, allowing broader compatibility beyond Apple devices.
Efficient compression ratios for lossless audio.
Integrates seamlessly with Apple's ecosystem (iTunes, Music app).

Best For

Storing music collections where audio fidelity is paramount.
Users who want to retain the original studio-quality sound.
Creating backups of important audio recordings without data loss.

Less Ideal For

Devices with very limited storage space.
Streaming music over low-bandwidth internet connections.
Situations where file size is the absolute top priority.
Broad compatibility with all older MP3 players.

Common Use Cases

Archiving personal music libraries in their original quality.
Professional audio production and mastering.
High-fidelity music playback on compatible devices.
Streaming audio where bandwidth is not a primary constraint.

How to Open It

Open ALAC files natively in Apple Music (formerly iTunes) on macOS and Windows.
Use VLC Media Player on Windows, macOS, Linux, Android, and iOS for playback.
Many other third-party audio players support ALAC playback.

What is a .aplg file?

ALAC, or Apple Lossless Audio Codec, is an audio format developed by Apple for high-fidelity music storage. Unlike compressed formats like MP3, ALAC preserves the complete original audio data, meaning no sound quality is lost during compression. This makes it an excellent choice for audiophiles and music professionals who prioritize sound integrity. ALAC files can be larger than lossy formats but offer superior audio reproduction for discerning listeners.

Programs That Open .aplg Files

Platform	Program
Windows	Apple Music (formerly iTunes)	Free	Official
	VLC Media Player	Free
macOS	Apple Music	Free	Official
	VLC Media Player	Free
Linux	VLC Media Player	Free
	Audacious	Free
Android	VLC for Android	Free
	Foobar2000	Free
iOS	Apple Music	Free	Official
	VLC for Mobile	Free

How to Convert .aplg Files

Format	Method
.MP3	VLC Media Player, ffmpeg, Online Converters
.FLAC	VLC Media Player, ffmpeg, Foobar2000

Common Problems with .aplg Files

⚠️ ALAC files may not play on older or non-Apple devices.

Convert the ALAC file to a more universally compatible format like MP3 or AAC using software like VLC or online converters.

⚠️ ALAC files are larger than lossy formats like MP3.

If storage space is limited, consider converting to a lossy format, or use ALAC only for archiving critical music files.

Frequently Asked Questions

Is ALAC the same as M4A?▼

ALAC is an audio codec, while M4A is a container format. ALAC is often found within the M4A container, so files with the .m4a extension can contain ALAC audio.

Can I edit ALAC files?▼

ALAC is primarily for playback and archiving. While it can be edited in professional audio software, its lossless nature makes it less ideal for heavy editing compared to uncompressed formats or specific editing formats.

Is ALAC better than FLAC?▼

Both ALAC and FLAC are lossless audio formats. ALAC is developed by Apple and is more integrated with Apple devices, while FLAC is more widely supported across various platforms and hardware.

Technical Details

ALAC is a lossless audio codec that uses entropy coding to reduce file size. It typically achieves compression ratios of around 40-60% compared to uncompressed PCM audio. The format is based on Rice coding and is a container format, often found within the MP4 (M4A) container.

Did You Know?

ALAC was originally released as open-source in 2011, making it accessible to developers outside of Apple.

ALAC files are typically 30-40% smaller than uncompressed WAV or AIFF files.

Security Information

ALAC files themselves do not typically contain executable code and are generally considered safe. However, always be cautious when downloading any file from untrusted sources, as malicious software could potentially be disguised as an audio file.