Until the advent of rational empiricism the controlling habits of the western mind were symbolic and allegoric.

Until the advent of the NICAM and MTS systems, television sound transmissions were invariably monophonic.

Until the advent of artillery and aircraft, battles were fought with the two sides within sight, if not reach, of each other.

Until the advent of the Trans-Am series in 1967, NASCAR homologation cars were the closest thing that the public could buy that was actually very similar to the cars that were winning the national races.

Until the advent of programmable logic, discrete bipolar logic was used to prototype and emulate microarchitectures under development.

Until the advent of light weight modern sailcloth and modern sail handling systems, the larger sails of a sloop were somewhat of a disadvantage.

Until the advent of vinyl around the 1940s, most gramophone records were pressed from shellac compounds.

Until the advent of the hollow-base Minié ball, which obturates upon firing to seal the bore and engage the rifling, the patch provided the best means of getting the projectile to engage the rifling.

Until the advent of OS X v10. 4, the standard UNIX command line utilities in OS X ( such as and ) did not respect resource forks.

Until the advent of the railroad in 1848, Darien remained a small, rural community of about 1, 000.

Until the recent advent of non-invasive medical techniques, brain surgery was the preferred way for language researchers to discover how language works in the brain.

Until the advent of the Supremes, the sisters were the most imitated of all female singing groups and influenced many artists, including Mel Tormé, Les Paul and Mary Ford, The Four Freshmen, The McGuire Sisters, The Manhattan Dolls, The Lennon Sisters, The Pointer Sisters, The Manhattan Transfer, The Puppini Sisters, Barry Manilow, and Bette Midler who scored her first # 1 hit with her 1973 remake of " Boogie Woogie Bugle Boy ".

Until the early 1990s, advertising on television had only been affordable for large companies willing to make a significant investment, but the advent of desktop video allowed many small and local businesses to produce television ads for airing on local cable TV services.

Until the advent of computer-based random access non-linear editing systems ( NLE ) in the early 1990s " linear video editing " was simply called " video editing ".

Until the advent of genetic techniques like DNA sequencing, comparative anatomy together with embryology were the primary tools for understanding phylogeny, as exemplified by the work of Alfred Romer.

Until the advent of iron, bronze was the most advanced metal for tools and weapons in common use ( see Bronze Age for more detail ).

' Until its advent, one might waver emotionally or doubt intellectually or even reject the cause altogether in one's mind, and yet refuse to attack it.

Until the advent of more modern fiction, pixie mythology was localized to Britain.

Until the advent of quantum mechanics, the only well known example of gauge symmetry was in electromagnetism, and the general significance of the concept was not fully understood.

Until the advent of the automobile, factory workers lived either close to the factory or in high density communities farther away, connected to the factory by streetcar or rail.

Until the advent of inexpensive audio tape recorders, the sharing of copyrighted recordings was very difficult and expensive.

Until the advent of the Scottish Parliament and the Scottish Government, the precursor to the Scotland Office, the Scottish Office, was a major UK government department dealing with most aspects of the domestic governance of Scotland, a position known as " administrative devolution ".

Until the advent of commercial recording technology, Inuit music was usually used in spiritual ceremonies to ask the spirits ( see Inuit mythology ) for good luck in hunting or gambling, as well as simple lullabies.

Until the advent of computer controlled drive mechanisms, the standard solution was some form of equatorial mount, and for small telescopes this is still the norm.

* Fox News: Until 2004, the CRTC's apparent reluctance to grant a digital licence to Fox News under the same policy which made it difficult for RAI to enter the country-same-genre competition from foreign services-had angered many conservative Canadians, who believed the network was deliberately being kept out due to its perceived conservative bias, particularly given the long-standing availability of services such as CNN and BBC World in Canada.

Until the arrival of digital technology in the early 1990s, a split screen was accomplished by using an optical printer to combine two or more actions filmed separately by copying them onto the same negative, called the composite.

Until the 2000s broadcast TV programs were generally transmitted as an analog television signal, but in 2008 the USA went almost exclusively digital.

* Until the late 1990s, the cost of digital signal processors for DSL was prohibitive.

Until August 4, 2008, the fifth channel was used to broadcast Yle TV1 with Finnish subtitles broadcast on programmes in foreign languages ( without having to enable the digital set-top box's subtitle function ).

Until recently digital cameras could only cover a small field of view compared to photographic plates, although they beat photographic plates in quantum efficiency, linearity and dynamic range, as well as being much easier to process.

Until recently, Konica Minolta had a line of digital point and shoot cameras to compete in the digital photography market.

Until it was shut down on August 31, 2011 as part of Canada's digital television transition, CKVU's analog terrestrial signal, transmitted from a very high location on Saltspring Island, could be received throughout much of southwest British Columbia and northwest Washington, as well as in some areas of north Seattle.

Until the introduction of digital sound, it was fairly common for 35 mm films to be blown up to 70 mm often just to take advantage of the greater number of sound tracks and the fidelity of the audio.

Until 2008 it was sponsored by BBC Radio 2, who broadcast it live and highlights are recorded and shown later on digital television channel BBC Four.

Until around 1994 – 1995 their logos were opaque white and black, presumably due to being inserted into the analog CVBS signal just before being broadcast instead of an analog YUV, RGB or digital SDI signal, while in the mid-1990s they upgraded to colorized but still opaque logos.

Until the 2009 digital television transition, WDJT was the only CBS affiliate in Wisconsin that broadcast on the UHF band, but retains the highest PSIP channel number out of the state's CBS affiliates post-transition.

Until March 2007 one of WALA's digital subchannels simulcasted WBPG, now a CW affiliate, as that station had no digital signal of its own.

Until recently, tape recording ( although digital ) was still the preferred recording medium.

Until it ceased operations on October 1, 2007, The Tube ( a 24-hour digital music channel ) was broadcast on WDCW's second digital subchannel.

Until April 2008, the only available means to watch WLUK's high definition signal was via antenna over-the-air as the station had maintained edicts going back to its ownership under Emmis not allowing local cable or satellite providers to broadcast their digital signals without paid retransmission consent.

Until then, some people may struggle to receive the digital transmissions as power levels are very low from some transmitters.