Libsndfile

libsndfile is a widely used^[1][2] C library written by Erik de Castro Lopo for reading and writing audio files.^[3] It supports a wide variety of audio file formats and will convert automatically from one to another.^[3] It allows the programmer to ignore many details, such as endianness.

libsndfile
Developer	Erik de Castro Lopo
Stable release	1.2.2  / 13 August 2023; 2 years ago (13 August 2023)
Repository	github.com/erikd/libsndfile
Written in	C
Operating system	Cross-platform
Type	Sound library
License	LGPL-2.1-or-later
Website	libsndfile.github.io/libsndfile/

In addition to the library itself, the package provides command-line programs for converting one format to another (sndfile-convert), for playing audio files (sndfile-play), and for obtaining information about the contents of an audio file (sndfile-info).

libsndfile is available for AmigaOS, Unix-like systems, including Linux and Mac OS X, and for Microsoft Windows.^[3] It is licensed under LGPL-2.1-or-later.^[3]

libsndfile is used, for example, by audio-editing software such as Audacity and Adobe Audition^[2] and the MP3 encoder LAME.^[4]

See also

• Free and open-source software portal

• AIFF
• ExifTool – utility for managing the metadata in bitmap and audio files and also PDF files
• Pulse-code modulation
• WAV