An elementary stream (ES) as defined by the MPEG communication protocol is usually the output of an audio or video encoder.
 ES contains only one kind of data, e.g. audio, video or closed caption.
 An elementary stream is often referred to as "elementary", "data", "audio", or "video" bitstreams or streams.
 The format of the elementary stream depends upon the codec or data carried in the stream, but will often carry a common header when packetized into a packetized elementary stream.
TOSLINK (from "Toshiba Link") is a standardized optical fiber connector system.
 Also known generically as an "optical audio cable" or just "optical cable", its most common use is in consumer audio equipment (via a "digital optical" socket), where it carries a digital audio stream from components such as CD and DVD players, DAT recorders, computers, and modern video game consoles, to an AV receiver that can decode two channels of uncompressed lossless PCM audio or compressed 5.1/7.1 surround sound such as Dolby Digital Plus or DTS-HD High Resolution Audio.
 Unlike HDMI, TOSLINK does not have the bandwidth to carry the lossless versions of Dolby TrueHD, DTS-HD Master Audio, or more than two channels of PCM audio.
Rules of origin are used to determine the country of origin of a product for purposes of international trade.
 There are two common types of rules of origin depending upon application, the preferential and non-preferential rules of origin (19 CFR 102).
 The exact rules vary from country to country, from agreement to agreement.
The Matroska Multimedia Container is an open standard, free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file.
 It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows.
 Matroska is similar in concept to other containers like AVI, MP4, or Advanced Systems Format (ASF), but is entirely open in specification, with implementations consisting mostly of open source software.
 Matroska file extensions are .
MKV for video (with subtitles and audio), .
MK3D for stereoscopic video, .
MKA for audio-only files, and .
MKS for subtitles only.
Audio, Video, Disco.
 is the second studio album by the French electronic music duo Justice, released on 24 October 2011 by Ed Banger Records, Because Music and Elektra Records.
 Justice member Xavier de Rosnay has said of "Audio, Video, Disco"' s musical style: "We wanted to create something very laid back and a bit countryside-ish.
 You know, daytime music.
 [...] What we wanted to do was keep the beats, but make it more soft.
 One of the challenges of this record was to make it feel emotionally heavy without being aggressive.
 Like being soft and violent at the same time.
 The texture of the new record is really soft."
 The album also features more collaborations than on the band's debut album "†".
KLOA-LP is a low power television station broadcasting on VHF channel 6 and serving the Antelope Valley area in California.
 Because the allocation of channel 6 in NTSC System M falls approximately within the lower fringes of the FM broadcast band, KLOA-LP takes advantage of the station's audio carrier, broadcasting on 87.75 MHz, and markets itself as a radio station.
 It airs a Country format under the moniker "Kickin' Country 87.7".
 According to the Federal Communications Commission, television stations must operate both the audio and video carriers; however, the carriers are not required to "accompany" each other, meaning that the audio and video can operate independently of one another.
 This means that KLOA-LP need not broadcast any particular image, as long as they broadcast a video signal.
 It is currently unknown what video signal the station broadcasts.
Undubbing is a type of video game hacking, which involves modifying the contents of an officially localized video game to match the audio and voice acting to its country of origin while retaining the translated text of the country in which it has been localized.
"Audio, Video, Disco" is a song by French duo Justice.
 It is the title track and second single from their second studio album "Audio, Video, Disco".
 The band stated that the album is not named after the song, instead the song is named after the album.
† (pronounced and alternatively known as Cross; considered self-titled on several countries' iTunes Stores) is the debut studio album by French electronic music duo Justice.
 It was first released on 18 June 2007 through Ed Banger Records and Because Music in most countries and Vice Records in the United States.
A mixed mode CD is a Compact Disc which contains both data and audio in one session.
 Typically the first track is a data track while the rest are audio tracks.
 The most common use for mixed mode CDs is to add CD-quality audio to video games on a CD.

Question: What country of origin does Audio, Video, Disco and Cross have in common?
Answer: French