SND (SouND) file is a
file extension
A filename extension, file name extension or file extension is a suffix to the name of a computer file (e.g., .txt, .docx, .md). The extension indicates a characteristic of the file contents or its intended use. A filename extension is typically ...
that indicates that the file is a
digital
Digital usually refers to something using discrete digits, often binary digits.
Technology and computing Hardware
*Digital electronics, electronic circuits which operate using digital signals
**Digital camera, which captures and stores digital i ...
sound file
An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, oft ...
.
File contents
Most commonly a file contains a
NeXT
Next may refer to:
Arts and entertainment Film
* ''Next'' (1990 film), an animated short about William Shakespeare
* ''Next'' (2007 film), a sci-fi film starring Nicolas Cage
* '' Next: A Primer on Urban Painting'', a 2005 documentary film
Lit ...
sound file. This is essentially the same as the
au file format
The Au file format is a simple audio file format introduced by Sun Microsystems. The format was common on NeXT systems and on early Web pages. Originally it was headerless, being simply 8-bit μ-law-encoded data at an 8000 Hz sample rate. H ...
used by
Sun Microsystems
Sun Microsystems, Inc. (Sun for short) was an American technology company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, ...
.
The first four bytes of a file contain the hex number 0x2e736e64 which displays as "" when interpreted as ASCII text.
Another file format is attributed to
Apple Inc.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company ...
Data stored in such files are commands for the
Macintosh Sound Manager The Sound Manager is a part of the classic Apple Macintosh operating system, in Classic Mac OS. It is used to control the production and manipulation of sounds on Macintosh computers. The Sound Manager is also used by other parts of the Macintosh sy ...
including '
wavetable'
sample-based instruments and sound samples. It can serve as a pure audio file format if only one command and one sound sample is stored in it. In this format, the first two bytes specify a 16-bit integer representing the numbers 1 or 2.
Programs supporting audio files with the extension generally assume, and check, that it is NeXT/SUN (AU) format.
Electronic music instrument manufacturer
Akai
Akai ( ja, 赤井, ) is a Hong Kong manufacturer of consumer electronics. It was founded as Akai Electric Company Ltd in Tokyo, Japan, in 1946. Grande Holdings in Hong Kong purchased the Akai brand, and now distributes various electronic produ ...
had an audio file format with the extension . The first byte contains the number 1 and the second the number 4.
The manufacturer of the HOM-BOT Robot Vacuum Cleaner
LG Group
LG Corporation (or LG Group) (), formerly Lucky-Goldstar from 1983 to 1995 (Korean: ''Leokki Geumseong''; ), is a South Korean multinational conglomerate founded by Koo In-hwoi and managed by successive generations of his family. It is t ...
and the
VTech V.Flash use audio files with the extension . The sounds are encoded in
PCM
Pulse-code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form of digital audio in computers, compact discs, digital telephony and other digital audio applications. In a PCM stream, the a ...
(single channel, 16 kHz, 16 bits signed).
The
Unity Game Engine
Unity is a cross-platform game engine developed by Unity Technologies, first announced and released in June 2005 at Apple Worldwide Developers Conference as a Mac OS X game engine. The engine has since been gradually extended to support a va ...
uses a compressed format called .snd for sound packages.
See also
*
Au file format
The Au file format is a simple audio file format introduced by Sun Microsystems. The format was common on NeXT systems and on early Web pages. Originally it was headerless, being simply 8-bit μ-law-encoded data at an 8000 Hz sample rate. H ...
References
External links
Documentationon developer.apple.com
on developer.apple.com
Computer file formats
Digital audio
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