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Topic: Audio file

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	Audio file format - Wikipedia, the free encyclopedia
		The general approach towards storing digital audio formats is to sample the audio voltage (corresponding to a certain position in the membrane of a speaker) in regular intervals (e.g.
		It is important to distinguish between a file format and a codec.
		As of 2002, one of the most popular audio file formats was MP3, which uses the MPEG-1 audio layer 3 codec to provide acceptable lossy compression for music files.
	en.wikipedia.org /wiki/Audio_file_format (683 words)

	Audio file format -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-26)
		An audio file format is a (additional info and facts about file format) file format for storing (The sound elements of television) audio data on a (A machine for performing calculations automatically) computer system.
		The general approach to store digital audio formats is to (A small part of something intended as representative of the whole) sample the audio voltage (corresponding to a certain position in the membrane of a speaker) in regular intervals (e.
		As of 2002, one of the most popular audio file formats was (additional info and facts about MP3) MP3, which uses the (additional info and facts about MPEG) MPEG audio layer 3 codec to provide acceptable (additional info and facts about lossy compression) lossy compression for music files.
	www.absoluteastronomy.com /encyclopedia/a/au/audio_file_format.htm (899 words)

	Encyclopedia: Audio file format (Site not responding. Last check: 2007-10-26)
		An audio codec is a computer program that compresses/decompresses digital audio data according to a given audio file format or streaming audio format.
		The Au file format is a simple audio file format that consists of a header of 6 32-bit words and then the data.
		Categories: Computer file formats GNU logo The GNU Lesser General Public License (formerly the GNU Library General Public License) is an FSF approved Free Software license designed as a compromise between the GNU General Public License and simple permissive licenses such as the BSD license and the MIT License.
	www.nationmaster.com /encyclopedia/Audio-file-format (2093 words)

	Windows Media Audio - Wikipedia, the free encyclopedia
		The resulting file may have the filename suffix "wma" or "asf" with the "wma" suffix being used only if the file is strictly audio.
		The ASF file format specifies how metadata about the file is to be encoded, akin to the ID3 tags used by MP3 files.
		Files in this format can be played using Windows Media Player, Winamp (with certain limitations, DSP plugin support and DirectSound output is disabled using the default WMA plugin) and many other alternative media players.
	en.wikipedia.org /wiki/Windows_Media_Audio (412 words)

	AU - Audio File Format
		An audio file is composed of three parts: a 24-byte header, a variable-length annotation block, and a contiguous segment of audio data.
		Audio header and data fields are stored in network (big-endian) byte order, regardless of the native byte-order of the machine architecture on which an application may be running.
		Audio data is encoded in the format identified by the file header.
	www.opengroup.org /public/pubs/external/auformat.html (582 words)

	Sprintbit Software - File Audio Processor
		This is a visual audio files editor which allow you to perform various operations with audio data such as displaying a waveform image of an audio file, filtering, applying various audio effects and filters.
		Audio Editor is intended for processing and transforming audio file, you can join audio files together, performing on audio files such operations like Normalize Fade, Amplify, Reverse and more.
		File Audio Processor automatically recognize an audio CD and filling up the CDDB Database grids with all necessary information's such as the disc's title, track titles and playing time as well as several other items of extended information.
	www.sprintbit.com /fileprocessor.htm (993 words)

	Introduction to HTML - Audio File Formats
		MIDI files are much smaller than recorded audio files because they consist only of instructions rather than a recorded performance.
		The quality of the audio playback is determined not only by the sophistication of the decoder used but also by the sampling rate at with the sound was encoded, and the degree of file compression.
		File size depends on the length of the recorded performance and on the sampling rate used to record and encode the audio information for playback.
	www.netstrider.com /tutorials/HTML/audio/formats.html (473 words)

	Audio File Formats
		Basically, when applied to audio signals the Nyquist theorem states that the highest possible pitch in the sound is one-half that of the sampling frequency.
		Audio compression reduces the amount of physical storage space and memory required to store a sound, and therefore reduces the time required to transfer a file.
		The IMA 4:1 audio compression format is intended to compress 16-bit sound with a ratio of 4:1, compressing audio CD-quality sound into one-fourth the space it normally occupies.
	www.noisebetweenstations.com /personal/essays/audio_on_the_internet/FileFormats.html (937 words)

	soundcard.ca - Intelligent Audio File (Site not responding. Last check: 2007-10-26)
		Our nationally accredited school offers audio recording students state-of-the-art training in multiple studios on equipment like SSL, Studer, Neve and Neumann, plus extensive MIDI training.
		Audio A/D, DACs, Codecs, S/PDIF, sample-rate converters and class D amplifiers.
		RealNetworks launches an upgrade of is Helix Server that provides tools for streaming audio and video to mobile devices.
	www.soundcard.ca /Intelligent-Audio-File/reference/fullview/wikipedia/... (320 words)

	Audio Basics- How to add sound to your web page from efuse.com
		And Web audio is moving past the lunatic fringe into the mainstream, with technologies such as Real Audio, which lets folks broadcast and receive talk shows, concerts, and recorded music over the Internet.
		Audio Interchange File Format (.aiff)—Defined by Apple for the Macintosh, AIFF is also the format of the sound files on the Iris Indigo.
		Audio (.au)—Audio is a common format for sound files on UNIX machines and also the standard audio file format for the Java programming language.
	www.efuse.com /Build/web-audio-basics.html (1867 words)

	Audio File Formats - The Sonic Spot
		Audio files usually contain information about the included audio waveform's characteristics and how it is stored.
		Most of an audio file's content is used to describe the individual audio samples that are played sequentially to reconstruct the waveform.
		Even though compressed audio continues to become more popular because of limited storage space and slow network speeds, Wave files still tend to contain uncompressed waveform data while other file formats (such as MP3) are used for compressed data.
	www.sonicspot.com /guide/samplefileformats.html (277 words)

	Brood X Cicada Highlight - Audio File Samples - NMNH
		Depending on how your preferred browser is set up, each audio file from which ever chosen format should automatically start from within your configured sound player.
		If the audio file does not automatically start, right click on the preferred format to save or download the file to your computer workstation.
		Layer 3 is one of three coding schemes (layer 1, layer 2 and layer 3) for the compression of audio signals.
	abbot.si.edu /highlight/cicadas/audio.htm (364 words)

	[No title] (Site not responding. Last check: 2007-10-26)
		AudioIFF1.3.hqx A MacWrite document describing the AIFF audio file format.
		MOD-info A textfile describing the MOD file format in even more detail than possible in the FAQ.
		NIST-SPHERE A description of the NIST SPHERE file format standard, popular in the DARPA speech community.
	ftp.cwi.nl /audio (389 words)

	Recordings about our Philosophy - GNU Project - Free Software Foundation (FSF)
		Please choose the license we use for the speech recordings and remember to embed the license into the digital file so that anyone else who receives a copy of the file are aware of their freedoms.
		If the original file for the recording is compressed with a lossy compression format such as mpeg, divx or a proprietary format, please don't transcode the speech recording before sending it to us.
		These files (encoded a bit differently) are also available at punkcast.com, as the files rms-nyu1.ogg (51 MB) and rms-nyu2.ogg (62 MB).
	www.gnu.org /philosophy/audio/audio.html (3337 words)

	Audio Interchange File Format
		An Audio IFF file is a collection of a number of different types of chunks.
		Audio IFF uses pstrings because they are more efficiently skipped over when scanning through chunks.
		Audio IFF files may be identified in other Apple file systems as well.
	www.borg.com /~jglatt/tech/aiff.htm (4780 words)

	MPEG AUDIO FRAME HEADER
		This is one of many methods to compress audio in digital form trying to consume as little space as possible but keep audio quality as good as possible.
		When you want to read info about an MPEG file, it is usually enough to find the first frame, read its header and assume that the other frames are the same This may not be always the case.
		Therefore, you can search through the file for the first occurence of frame sync (meaning that you have to find a byte with a value of 255, and followed by a byte with its three (or four) most significant bits set).
	www.dv.co.yu /mpgscript/mpeghdr.htm (1750 words)

	GtGA: Audio Files
		Our audio streams are provided as a public service; they are intended for the private, non-commercial and non-political use of our audience.
		The audio files are copyrighted and may not be duplicated or distributed without permission from KTOO/Gavel to Gavel Alaska.
		Our audio files should not be considered as an "official record" of the meeting.
	www.ktoo.org /gavel/audio.cfm (259 words)

	Audio File Library
		Key goals of the Audio File Library are file format transparency and data format transparency.
		Likewise, the format of the audio data presented to the application need not be tied to the format of the data contained in the file.
		Audio File Format FAQ is a good source of information.
	68k.org /~michael/audiofile (312 words)

	The educational encyclopedia, digital audio, audio file formats (Site not responding. Last check: 2007-10-26)
		Digital audio formats the format of a digital audio file refers to the type of audio data within the file
		WAV file format the wave file format is a file format for storing digital audio (waveform) data.
		WAVE PCM soundfile format the WAVE file format is a subset of Microsoft's RIFF specification for the storage of multimedia files.
	users.pandora.be /educypedia/electronics/audiofile.htm (397 words)

	Pure Mac: Audio - Software For Macintosh
		AudioSlicer is a Cocoa GUI application that finds all silences in an audio file and allows you to split it into several smaller audio files and to name/tag them properly.
		Jack is different from other audio server efforts in that it has been designed from the ground up to be suitable for professional audio work.
		This digital audio editor can record up to 2 GB of audio, mix audio, apply effects filters, generate tones, pitch-shift and resample audio, and open and save in several file formats.
	www.pure-mac.com /audio.html (4988 words)

	Audio version of Cory Doctorow's DRM talk (kottke.org)
		Dedicator recognizes that, once placed in the public domain, the Work may be freely reproduced, distributed, transmitted, used, modified, built upon, or otherwise exploited by anyone for any purpose, commercial or non-commercial, and in any way, including by methods that have not yet been invented or conceived.
		Andy is hosting an mp3 version of the talk (mirror) and a Bittorrent of the file is available here.
		The audio is covered under the same dedication as the original text.
	www.kottke.org /04/06/cory-drm-talk (483 words)

	[No title]
		Audio data is characterized by the following parameters, which correspond to settings of the A/D converter when the data was recorded.
		There are two types of file formats: self-describing formats, where the device parameters and encoding are made explicit in some form of header, and "raw" formats, where the device parameters and encoding are fixed.
		Mac and PC ".snd" files are completely described by these parameters: -t raw -b -u -r 11000 (or -r 22000 or -r 7333 or -r 5500; 11000 seems to be the most common rate).
	ftp.cwi.nl /audio/AudioFormats.part1 (6066 words)

	How To Make A Streaming Audio File
		This is important, as the smaller the file, the less information must be passed over the Internet connection, and so the more fluently the file streams.
		With decent audio, this and the rest of the settings create a file that is fine for lectures.
		Now it will be able to stream your file to many listeners at once, and each of them can be at a different point in the file.
	www.chss.montclair.edu /english/furr/media/SAhowto.html (1239 words)

	Audio File Formats
		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.
		Typically, ASF files that contain audio content that is compressed with the Windows Media Audio (WMA) codec use the.wma extension.
		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)

	Audio file types
		A helpful list of common internet file formats (including audio formats) is available from here, while a guide to adding audio to your web pages is available here.
		Real Audio is a common internet audio and video format, which supports streaming and live webcasts.
		This means that you can convert ANY playable audio file to.WAV format using this utility.
	www.david.robinson.org /filetypes.html (398 words)

	WMA (Windows Media Audio) File Format
		File format based in ASF (Advanced Systems Format) that wraps an audio bitstream.
		Some WMA files may also employ Windows Media Audio 7 and 8 codecs.
		Usually a final state format for enduser delivery; sometimes a middle-state format, e.g., a high-quality audio representation for archiving or as a source when producing lower-resolution streaming versions.
	www.digitalpreservation.gov /formats/fdd/fdd000027.shtml (274 words)

	GoldWave - Audio Software
		It includes all of the common audio editing commands and effects, plus powerful built-in tools such as a batch processor/converter, a CD reader, and audio restoration filters that cost extra in other similar programs.
		It supports wav, mp3, aiff, ogg and wma digital audio files as well as avi, mov, wmv, and mpg video files.
		Audio and video are played directly from the original files.
	www.goldwave.com (469 words)

	Insert Audio File
		Users have the option of including audio files, such as.wav files, in the Text Box Editor.
		Enter a URL to create a link to a file outside of the local system.
		Select Yes for the file to start playing when the page is opened by a user.
	www.blackboard.com /docs/r6/6_1/instructor/bbls_r6_1_instructor/insert_audio_file.htm (177 words)

	Audio File Format FAQ
		The Audio File Format FAQ is a collection of information related to Sound Formats used by computers that was started in November of 1991 by
		Audio Effects Algorithms - by Toby Kurien - Has some effects algorithms like reverb and chorus.
		Just in case I deleted some information you would still like, here is a copy of the last version in the old format.
	www.cnpbagwell.com /audio.html (344 words)

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