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Ogg file [.ogg file] .oga file / .ogv file / .ogx file

An Ogg file is one of the file formats published by the Xiph.org Foundation that can store audio and video.

The standard file extension was initially “.ogg”, but was changed to “.oga” (audio), “ogv” (video), and “.ogx” (common). The IETF has standardized the specification as RFC 3533.
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ogg-file

It is a kind of “container format” that defines only the method of storing data in a . It does not specify the compression encoding method ( codec ) for audio and video, and selects between methods specified by other standards… What can be recorded is audio and video, and text data such as subtitles that stream during playback.

Originally developed to store MP3 data “Vorbis”, a highly efficient irreversible audio compression method that replaces compressed

In addition to the Vorbis format, audio supports lossy compression methods such as Speex, CELT (Constrained Energy Overlay Transform) and Opus, the FLAC (Free Lossless Audio Codec) lossless compression method, and Uncompressed PCM (OggPCM). The video is compatible with Teora, Daala, Dirac, etc. These are compression methods developed and published primarily by Xiph.org (only Dirac was developed by the BBC in the UK), but there are also specifications for recording data created in well-known external compression formats such as MP3 and MPEG-4

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Head to Head Bet: OGG vs LAME

You probably won’t surprise anyone with the sound capabilities of modern computers. Keeping a music library on a computer, along with audio cassettes and CDs, has become commonplace for many. Today, even schoolchildren know the magic password that unites many people, in one way or another connected to computers. This password consists of only three characters: “M” “P” “3”. Consider how many memories you have with them.

OGG

Many people know what audio CDs are in terms of simplicity and ease of use. “Why?” – you ask. Yes, because the CD, as they say, is “and in Africa” the CD. If some characteristics of the reading are not taken into account, it is always and everywhere the same as it was created, that is, the same. It has the same rigidly defined format, and the sound quality is primarily dependent on the recording studio and is generally the best. Conveniently? I don’t argue!

What about the music on your computer? The PCM (Pulse Code Modulation) recording format used on CD-DA discs is not compact enough to store music on your computer, and completely unsuitable for sharing music over the Internet. Therefore, mathematically extremely complex algorithms for compressing audio data and its storage formats are constantly being developed and improved. These algorithms sometimes differ greatly from each other in sound quality. Many users are faced with a constant problem of choice: which program, with what algorithm and with what parameters to encode their favorite music?

Even though many different algorithms and formats have been created, only one of them is the absolute leader today. This is the MPEG 1.0 Audio Layer III compression format, popularly known as “MP3”. There are many encoding programs available to record music in this format. Each of these programs has its pros and cons; On the web you can find a large number of tests and comparisons of various MP3 encoders. The generally recognized leader today is LAME, a free open source project with no license restrictions.

We are used to thinking that MP3 is the best, MP3 is forever. However, it hasn’t been long since the prevailing audio compression format and encoder had a serious competitor: the all-new format and the Ogg Vorbis algorithm. After the beta 3 version of this encoder was released in late summer 2000, the public began to look closely at it and it became very difficult to choose the “best”. And at the beginning of 2001 two new versions were released at the same time: LAME 3.88 and Ogg Vorbis 1.0 Beta 4. Both versions differ significantly from the previous ones, so it is necessary to compare them, to make, so to speak, a “showdown” between both formats. That it was done. The result is in front of you.