In the mid-1870s, a form of amplitude modulation — initially called " undulatory currents "— was the first method to successfully produce quality audio over telephone lines.

Beginning with Reginald Fessenden's audio demonstrations in 1906, it was also the original method used for audio radio transmissions, and remains in use today by many forms of communication —" AM " is often used to refer to the mediumwave broadcast band ( see AM radio ).

Most of the Project's titles, especially the early work, share common traits ( likely influenced by Pink Floyd's The Dark Side of the Moon, on which Parsons was the audio engineer in 1973 ).

The first model was launched in 1985 as a high-end home computer and became popular for its graphical, audio and multi-tasking abilities.

The PowerPC CPU on PowerUP boards is usually used as a coprocessor for heavy computations ( a powerful CPU is needed to run MAME for example, but even decoding JPEG pictures and MP3 audio was considered heavy computation at the time ).

The Electron was able to save and load programs onto audio cassette via a supplied converter cable that connected it to any standard tape recorder that had the correct sockets.

This encoding was native to the SPARCstation 1 hardware, where SunOS exposed the encoding to application programs through the / dev / audio interface.

It was also the first BBS to produce audio for its visitors, broadcasting news about screen printing and music in a pre-recorded method in what was the precursor to Internet Radio.

* During the famous viral marketing for The Dark Knight, an audio clip was available that depicted Harvey Dent walking up to a hostage situation and subduing the threat.

It was originally developed to store and play back sound recordings only, but the format was later adapted for storage of data ( CD-ROM ), write-once audio and data storage ( CD-R ), rewritable media ( CD-RW ), Video Compact Discs ( VCD ), Super Video Compact Discs ( SVCD ), PhotoCD, PictureCD, CD-i, and Enhanced CD.

In 1974, an initiative was taken by L. Ottens, a director of the audio industry group within the Philips Corporation in Eindhoven, the Netherlands.

A seven-person project group was formed to develop an optical audio disc with a diameter of 20 cm with a sound quality superior to that of the large and vulnerable vinyl record.

The new audio disc was enthusiastically received, especially in the early-adopting classical music and audiophile communities, and its handling quality received particular praise.

Counter-Strike received a major technology update and refresh on November 1, 2004 with the release of Counter-Strike: Source, which was heavily updated using Valve's Source game engine to take advantage of more modern graphics and audio hardware.

The innovation of lossy audio compression was to use psychoacoustics to recognize that not all data in an audio stream can be perceived by the human auditory system.

A literature compendium for a large variety of audio coding systems was published in the IEEE Journal on Selected Areas in Communications ( JSAC ), February 1988.

The world's first commercial broadcast automation audio compression system was developed by Oscar Bonello, an Engineering professor at the University of Buenos Aires.

Throughout the 1980s and ' 90s, Young promised fans a follow-up to the original Decade collection, provisionally titled Decade II ; eventually, this idea was scrapped in favor of a much more comprehensive anthology to be titled Archives, spanning his entire career and ranging in size from a box set to an entire series of audio and / or video releases.

A slightly earlier, surprisingly reliable version of the same concept was to bundle a sequence of audio digital " signal " and " no signal " information ( i. e. " sound " and " silence ") on magnetic cassette tape for use with early home computers.

Because the audio was relayed over the internet, it was possible to access internet radio stations from anywhere in the world.

Sean Ely of GamePro praised its updated audio, and said that the new graphics " blow the old clunker visuals ... out of the water ".

The audio was also mainly praised, although reviewers criticised the lack of voice acting and character-specific sound effects.

" The game's audio was also praised, with All RPG declaring it " some of the best music on the Super Nintendo.

IGN praised it for being a faithful conversion of the original, but noted that the audio did not sound as crisp on the Game Boy Advance, and found the frequent sound effects tiresome.

The game's audio was also well-received: the music was praised for its inclusion of the " James Bond Theme " and " addictive " tunes based on the GoldenEye film's score.

" IGN's review, while mixed, praised its presentation and sound, stating that " you can't get much better than having the Wachowski Brothers filming your cutscenes ", and " Kudos to the sound team for bringing the movie audio to life in the game.

Both praised the game's audio, noting that Michael Ironside as Sam Fisher's voice suited the role perfectly.

The game's sound effects have been praised as " well done and impressive, straying from Square's synthed noise ", as details such as the background audio help create a believable world for the player.

X-Play claimed that it was a " pleasure to play ", and praised its " beautiful " graphics and audio.

Critics praised its audio, visuals and gameplay as an improvement over the first game.

By contrast, in the audio versions of the books — including those recorded by voice actress Barbara Rosenblat, whom Peters has praised for her accurate pronunciation — Amelia's surname is pronounced " pea-body.

Many reviewers praised the audio for being especially vivid.

Critics praised Bloodlines visual, audio and story but warned about a bug-ridden game.

While some praised the game's use of the Nintendo GameCube's internal clock and calendar and its inclusion of hidden NES games, others criticized its audio and visuals.

Although Brian Peterson from Gaming Age commented the game was entertaining and praised the audio, he criticized the difficulty it took to fight with the handheld system.

IGN praised the game for its visual flair and impressive audio, but pointed out its lack of depth in gameplay, giving out a score of 8. 3 to the " decent, if not spectacular, game.

" Valentinelli of FlamesRising. com praised the casting for the audio drama, but said that the plot was " a bit too vague and almost leaves too much to the imagination.

The game's audio was also critically praised.

Crash Team Racing was praised by critics for its gameplay and graphics, though the audio was met with mixed opinions.

GameSpot praised the graphics, audio and gameplay, saying " The developers have done a fantastic job of capturing the atmosphere and spirit of the series, while providing a well-balanced, challenging gameplay experience that's filled with pretty visuals, awesome ( though limited ) music, plenty of secrets, and some incredible bosses ( just wait until you see Death ...

" They specifically praised its graphics and audio, calling the latter " excellent ".

Nintendo Life praised the game's audio and visuals, while noting a lack of Virtual Boy-specific features.

They criticized the game for having simplistic, unbalanced gameplay and bad graphics, but praised the game's audio track.

Althought the game was praised for its audio track, which features the voices of the Simpsons cast, it was criticized for it's simplistic, unbalanced gameplay and bad graphics.