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Topic: List of audio formats

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Audio storage

Music technology

Digital Audio Tape

Digital audio

Compact cassette

Compact audio cassette

Microcassette

LPAC

Sound reproduction

Tape storage

Sound recording

Wire recording

Audio file format

Phonograph cylinder

Windows Media Audio

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	Manual page for audio(7I)
		A-law and µ-law audio data are sampled at a rate of 8000 samples per second with 12-bit precision, with the data compressed to 8-bit samples.
		Audio applications should explicitly set the encoding characteristics to match the audio data requirements, rather than depend on the default configuration.
		This command configures the audio device according to the structure supplied and overwrites the structure with the new state of the device.
	www.cs.utk.edu /~cs460.is&r/cgi-bin/group4/collection/audio.7i.html (3367 words)

	SoundApp Formats
		AIFF is a very flexible file format, allowing the specification of arbitrary sampling rates, sample size, number of channels, and application-specific format chunks which can be ignored by other applications.
		Audio CD Tracks: CD audio tracks can be read directly from an audio CD by converting the track files.
		Compressed instruments have the same format as compressed SoundCap files, and uncompressed instruments are likewise similar to uncompressed SoundCap files, with the addition of an eight-byte header.
	www-cs-students.stanford.edu /~franke/SoundApp/formats.html (2796 words)

	Windows Media Audio - Biocrawler (Site not responding. Last check: 2007-11-04)
		The ASF file format specifies how metadata about the file is to be encoded, akin to the ID3 tags used by MP3 files.
		Windows Media Audio supports digital rights management using a combination of elliptic curve cryptography key exchange, DES block cipher, a custom block cipher, RC4 stream cipher and the SHA-1 hashing function.
		The most current version of the format is Windows Media Audio 9.1 which includes specific codecs for lossless, multi-channel surround sound and voice encoding in addition to the main lossy codec.
	www.biocrawler.com /encyclopedia/WMA (415 words)

	Solaris 2.5.1 man page: audio(7i)
		For instance, one minute of monaural audio recorded in M-law format at 8 KHz requires nearly 0.5 megabytes of storage, while the standard Compact Disc audio format (stereo 16-bit linear PCM data sampled at 44.1 KHz) requires approximately 10 megabytes per minute.
		A-law and M-law audio data are sampled at a rate of 8000 samples per second with 12-bit precision, with the data compressed to 8-bit samples.
		The audio data format is indicated by the sample_rate, chan_nels, precision, and encoding fields.
	www.cae.wisc.edu /manuals/unix-man/solaris-2.5.1/audio.7i.html (3530 words)

	Using Existing Audio \| ardour (Site not responding. Last check: 2007-11-04)
		Importing an existing audio file is copied to the session's sounds folder, and is converted into the session's native format (WAVE or Broadcast WAVE depending on your choice) and sample rate.
		When you want to use existing audio files in an Ardour session, the first choice you need to make is whether you want to bring the files in as tracks or as new regions.
		You can import/embed audio files as new tracks, or you can import/embed them into the region list, where they will be available as regions to put into new or existing tracks.
	www.ardour.org /manual/editing/importing (956 words)

	Windows Media Audio
		It was initially a competitor to the MP3 format, but with the introduction of Apple's iTunes Music Store, it has positioned itself as a competitor to the advanced audio coding format used by Apple.
		Windows Media Audio features digital rights management using a combination of elliptic curve cryptography key exchange, DES block cipher, a custom block cipher, RC4 stream cipher and the SHA-1 hashing function.
		With the advent of Windows Media Audio 9, a new lossless codec has been introduced to accompany the existing lossy codec.
	wapipedia.org /wikipedia/mobiletopic.aspx?cur_title=WMA (286 words)

	19.11.1 Audio Device Objects
		If the audio device is in blocking mode (the default), the entire string is always written (again, this is different from usual Unix device semantics).
		Consult the OSS documentation for a full list of audio formats, and note that most devices support only a subset of these formats.
		Returns the audio format that the device was set to, which may not be the requested format.
	docs.python.org /lib/ossaudio-device-objects.html (683 words)

	Sound recording and reproduction - Wikipedia, the free encyclopedia
		In various permutations, the audio disc format became the primary medium for consumer sound recordings until the end of the 20th century, and the double-sided 78rpm shellac disc was the standard consumer music format from the early 1930s to the late 1950s.
		German audio engineers working on magnetic tape are reported to have developed stereo recording by 1943, but it was not until the introduction of the first commercial two-track tape recorders by Ampex in the late 1940s that stereo tape recording became a commerically feasible.
		The multitrack audio cartridge was in wide use in the radio industry from the late 1950s to the 1980s, but in the 1960s the pre-recorded 8-track cartridge was launched as a consumer audio format.
	en.wikipedia.org /wiki/Sound_recording (2975 words)

	Phone Bazooka - Audio Over Sockets (Site not responding. Last check: 2007-11-04)
		This will attempt to convert audio from you MIC to the compressed format, then decompress that to the Speaker audio format and play that to the speakers.
		Not all audio formats are compatible so you may need to test a few first.
		By default, the audio for the MIC is set to PCM 8000kHz 16-bit, the compression is DSP Group Truespeech which gives it a high compression rate with low bandwidth requirements, and then back to PCM 8000kHz 16-bit to the speakers.
	www.phonebazooka.com /phonebazooka_cti_audio_over_sockets.asp (1016 words)

	File Formats (Site not responding. Last check: 2007-11-04)
		By eliminating portions of the audio file that are essentially inaudible, mp3 files are compressed to roughly one-tenth the size of an equivalent PCM file while maintaining good audio quality.
		Vox format files are similar to wave files except that the vox files contain no information about the file itself so the codec sample rate and number of channels must first be specified in order to play a vox file.
		The.ra format allows files to be stored in a self-contained fashion on a computer, with all of the audio data contained inside the file itself.
	www.nch.com.au /acm/formats.html (1156 words)

	Audio File Formats
		Below is a list of audio and music file formats, sorted by file extension.
		It includes a brief description of the file format and the name of a program that first used the files or is commonly used to create, edit or play them.
		Audio content that is compressed with a wide variety of codecs and that is stored in a.wav file can be played back in Windows Media Player if the appropriate codecs are installed on the computer.
	www.csusm.edu /iits/trc/training/information/audioFormats.htm (804 words)

	Gordon Monro - Audio formats
		This list is not meant to be comprehensive, just to describe formats that I actually use, or am trying to use.
		Any practical video format is already heavily compressed, and I have found that squeezing even a few seconds of the videos I have made down to a size suitable for downloading reduces the quality severely.
		The other meaning of "compression" in the audio world is a process where large changes in volume are flattened out, during the recording process or in the studio; this is particularly done for radio broadcasts.
	www.gordonmonro.com /archive/audio_formats.html (1699 words)

	Data Formats
		Format used by AutoDesks attempt at an internet format for it's models, used by the WHIP viewer.
		Format for the polyray raytracer by Alexander Enzmann
		This is the complete specification for the GIF format, mostly unheard of until it was used as the standard image format for the WWW.
	local.wasp.uwa.edu.au /~pbourke/dataformats (770 words)

	Ask Ars: CD Ripping and encoding guide (Site not responding. Last check: 2007-11-04)
		Audio technologies have progressed since then, and it's high time that the old guide was updated.
		Audio formats are roughly divided into two groups: lossy and lossless.
		Lossy formats are those codecs that approximate the audio you hear rather than actually storing the complete audio data.
	home.comcast.net /~rstockbower/ars/ask/encoding (877 words)

	Digital media formats (Site not responding. Last check: 2007-11-04)
		Formats may be proprietary or nonproprietary, native to one particular software program, or useable in a number of programs, and each has its own characteristics, making one "better" than another for its desired use.
		Dozens more are out there, but these seem to be the most popular, or those "on the cutting edge." Some formats would be worth looking at due to their superior compression, but only appeal to a small sector because they are native, proprietary formats.
		As audio copyright infringement becomes more of a concern to record companies, some are encrypting their CDs to make them unreadable in home computers.
	www.itl.nist.gov /div895/formats.html (3070 words)

	JMF 2.1.1 - Supported Formats
		This page lists the media formats supported in the JMF 2.1.1 FCS implementation, the RTP formats this implementation can receive and transmit, and the capture devices that it supports.
		D indicates the format can be decoded and presented.
		R indicates that the format can be decoded and presented.
	java.sun.com /products/java-media/jmf/2.1.1/formats.html (366 words)

	Open Audio Hardware Guide
		This list is a resource for both authorized Cakewalk resellers and Cakewalk customers.
		This is a standard format for laptop peripherals such as modems or soundcards, which fit into a slot in the side or back of the computer.
		The Nyquist Theorem statest that the uppermost frequency range of a recording is equal to half of its sample rate (ie the upper limit of a 44.1 khz recording is 22 kHz).
	www.cakewalk.com /Tips/audiohw.asp (931 words)

	Audio format - Wikipedia, the free encyclopedia
		An audio format is a medium for storing sound and music.
		The term is applied to both the physical medium and the format of the content – in computer science it is often limited to the audio file format, but its wider use usually refers to the physical method used to store the data.
		Music is recorded and distributed using a variety of audio formats, some of which store additional information.
	en.wikipedia.org /wiki/List_of_audio_formats (148 words)

	AudioConfig - Freevo Wiki
		Freevo is able to play a whole list of audio formats, the most important are probably mp3 and ogg.
		The list AUDIO_SUFFIX tells freevo which files it should treat as audio files and with PLAYLIST_SUFFIX you determine which files should be treated as playlists.
		If the audio is stuttering, it may help if you use hdparm to finetune your ide drives.
	freevo.sourceforge.net /cgi-bin/doc/AudioConfig (400 words)

	Blu-ray Boosting Dolby & MLP - 5/9/2005 - TWICE - CA600410 (Site not responding. Last check: 2007-11-04)
		For their respective standards, the BDA and DVD Forum have approved multiple mandatory audio formats that each player must support.
		At least one of those audio formats must be included on prerecorded discs, but the choice of formats is up to individual movie studios.
		Whatever audio formats are encoded on a particular HD-DVD or Blu-ray disc, the disc's soundtrack will be compatible with the installed base of discrete 5.1-, 6.1- and 7.1-channel surround-sound receivers and preamp/processors.
	www.twice.com /article/CA600410.html (325 words)

	<audio>
		The audio clip is played in its entirety unless interrupted.
		The Audio Library contains stored audio files with commonly used spoken prompts and other sounds that you can use in your applications.
		If it evaluates to a string, the string is interpreted as a URI and the audio file at the location is fetched and played.
	cafe.bevocal.com /docs/vxml/audio.html (672 words)

	Confused About Audio Formats? - PodcastingTricks.com « PodcastingTricks (Site not responding. Last check: 2007-11-04)
		Here’s a partial list of common audio formats that may impact podcasters, their name, origin date and general info.
		MP3 is a lossy format and is best used as a final delivery format for everything from music to podcasts.
		This entry was posted on Monday, June 26th, 2006 at 1:51 pm and is filed under Articles.
	podcastingtricks.wordpress.com /2006/06/26/confused-about-audio-formats-podcastingtrickscom (311 words)

	Zap's MUSIC-ON-THE-NET Tutorial!
		When you use an Audio Format, you simply record the output of your mixer (with all your synths, all your effects, and even vocals) with the computer, to an audio file.
		This is now the "de facto standard" audio format online, but it is also really a STANDARD format (which means a standards comittee dreamed it up).
		This used to be the de-facto standard format and the most widespread on the Web (probably because they simply were the first), but MP3 has overrun it.
	www.lysator.liu.se /~zap/tutorial/formats.html (2250 words)

	MediaCoder Audio Video Glossary
		It was initially a competitor to the MP3 format, but with the introduction of Apple 's iTunes Music Store, it has positioned itself as a competitor to the Advanced Audio Coding format used by Apple.
		The FFmpeg project has reverse-engineered and reimplemented the WMA format to allow its use on POSIX compliant operating systems such as Linux.
		Microsoft claims that files in WMA format sound better than MP3 files at higher bitrates, but this has been heavily disputed.
	mediacoder.sourceforge.net /glossary/wma.htm (613 words)

	Mint Audio: Lightweight Audio Player for MacOS (Site not responding. Last check: 2007-11-04)
		Mint Audio is able to play more than 30 sound formats utilizing special plug-ins called 'Engines'.
		When support for new audio format arrives, it's a matter of downloading the plug-in - no need to re-download the whole application all over again!
		Mint Audio 1.5 includes updated versions of many playback engines, including OGG Vorbis built from the latest sourcetree.
	g.msn.com /9SE/1?http://unsanity.com/old___/mint/feature.php?f=formats&&DI=6244&IG=2e30dec34323434e9461f0c390f00cde&POS=4&CM=WPU&CE=4&CS=AWP&SR=4 (99 words)

	File Extension List (A's) - including rar, wps and file extensions for data, audio and more
		This is a list of file extension names or suffixes that indicate the format or usage of a file and a brief description of that file extension.
		In general, if you have the program that uses that file extension, that program can be used to open or otherwise use the file.
		If you know of file extensions that should be added to this list, please e-mail us and we'll add them.
	whatis.techtarget.com /fileFormatA/0,289933,sid9,00.html (339 words)

	Audible.com
		Audio quality and fidelity is determined by how much information is packed into the audio file.
		When audio files are compressed, they hold less sound, but they download much faster and they take up less space on your computer's hard drive or in your listening device's memory.
		Titles can be burned using formats 2,3, or 4.
	www.audible.com /audible/anon_pops/formats_main.html (223 words)

	Vorbis.com: 3rd Party Software
		Blaze Media Pro is powerful, all-in-one multimedia software supporting playback of all popular media formats, audio and video playlist, audio and video conversions, video construction and decompiling, audio editing and recording, audio and data CD recording, video processing (average, brightness, contrast, gamma, edge enhance, sharpen, soften, resizing, resample, dither, add border), video capture, media management...
		EAC is a high quality audio CD ripper for Windows with a large number of options and features.
		FreedomAudio is a webpage streaming audio player with XML playlist support and the ability to synchronize the display of information in the browser.
	vorbis.com /software (2792 words)

	Audio Software list
		t’s difficult to figure out how to do what you want with computer audio when you don’t have the words to describe it.
		Blaze Audio’s glossary is one good place to start.
		We’ve listed some of the common requests on the left, and the type of program you’re looking for on the right.
	www.blazeaudio.com /howto/bg-types.html (116 words)

	Audio Burner Software - Burn Audio CDs
		You can then simply add the audio files you wish to burn to the list by clicking the Add button.
		Once the audio files are present in the list, set any desired settings for your burner device or configuration (optional), and click the "Record Audio CD" button to begin.
		The software's audio burning process is very fast and easy to use.
	www.blazemp.com /audio_burner_software.htm (221 words)

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