Although A-weighting with a slow rms detector, as commonly used in sound level meters is frequently used when measuring noise in audio circuits, a different weighting curve, ITU-R 468 weighting uses a psophometric weighting curve and a quasi-peak detector.

Although there is a downward population curve, explained by a larger death than birth rate, as well as a larger number of emigrants than immigrants, the line graph of the natural population increase shows the rate of population decrease was slowly diminishing.

Although the details of each particular elliptic curve scheme are described in the article referenced above some common implementation considerations are discussed here.

Although the heat conduction which leads to body cooling follows an exponential decay curve, it can be approximated as a linear process: 2 ° Celsius during the first hour and 1 ° Celsius per hour until the body nears ambient temperature.

Although not the first time that the demand curve had been drawn, it was the first time that it had been proved rather than asserted.

Although there was a connection between tram and train tracks in Leiden it was not possible to convey railway cars on NZH track due to differing track and wheel geometry, curve radius and loading gauge.

Although the Engel curve remains upward sloping in both cases, it bends toward the y-axis for necessities and towards the x-axis for luxury goods.

Although Mordell's theorem shows that the rank of an elliptic curve is always finite, it does not give an effective method for calculating the rank of every curve.

) Although the term nephroid was used to describe other curves, it was applied to the curve in this article by Proctor in 1878.

Although the engine gains only peak torque over the VQ35HR and this higher torque arrives at 5200 rpm vs. 4800 in the VQ35HR, the torque curve itself is improved and flattened via VVEL variable valve timing for better throttle response and low rpm torque.

Although the subject of continuing debate, some evidence supports the claim that environmental health indicators, such as water and air pollution, show the inverted U-shaped curve.

Although the systemic exposure with both drugs is very low, Ranibizumab has a much lower average systemic exposure ( area under the curve ), so it may be conjectured to have a commensurately lesser chance of systemic adverse events.

Although GRB 980236 did not provide enough information to definitively rule out this explanation, Reichart showed that the light curve of GRB 970228 could only have been caused by a supernova.

Although determination of the band gap is possible from a linear plot of the I-V curve, the log scale increases the sensitivity.

Although the sulfur curve shows shifts between net sulfur oxidation and net sulfur reduction in the geologic past, the magnitude of the current human impact is probably unprecedented in the geologic record.

Although there was never a station at Cosby, this section of the line was well known for the lengthy curve which for northbound trains was to the right ( east ), after coming out of which the city of Leicester would be directly ahead and the route would be almost ruler straight all the rest of the way to the centre of the city, a distance of almost 5 miles ( 8 km ).

Although there were low levels of preexisting antibiotic-resistant bacteria before the widespread use of antibiotics, evolutionary pressure from their use has played a role in the development of muiltidrug resistance varieties and the spread of resistance between bacterial species.

Although any music which uses computers in its composition or realisation is computer-generated to some extent, the use of computers is now so widespread ( in the editing of pop songs, for instance ) that the phrase computer-generated music is generally used to mean a kind of music which could not have been created without the use of computers.

Although it initially received widespread support from the diving community, the FINA requirement that international competitors had to be registered with their National Governing Body was a major factor in the abandonment of this ambition a few years later.

Although colloquially and literarily the expression " King of Spain " or " King of the Spains " was already widespread, and the two crowns were ruled by the same monarch, they retained their individual institutions and identity until 1812, with the enactment of the Spanish Constitution of 1812.

Although silk was a somewhat expensive medium to paint upon in the past, the invention of paper during the 1st century AD by the Han court eunuch Cai Lun provided not only a cheap and widespread medium for writing, but also a cheap and widespread medium for painting ( making it more accessible to the public ).

Although the Indian economy enjoyed a steady rate of growth at 2. 5 % per annum ( mocked by leftist economist Raj Krishna as a " Hindu rate of growth "), chronic unemployment amidst widespread poverty continued to plague the population.

Although the custom of primogeniture, under which an eldest son would inherit all his father's lands, was slowly becoming more widespread across Europe, it was less popular amongst the Norman kings of England.

Although critical of the Tsar, General Kornilov felt that Russia, as part of the Triple Entente, was committed to continue the war against the Central Powers, and he shared the widespread belief of some Russians that after the February Revolution the country was descending into anarchy and that military defeat would be disastrous for Russia.

Although lutes were in widespread use in Europe at least since the 13th century, and documents mention numerous early performers and composers, the earliest surviving music for the instrument dates from the late 15th century.

U. S. journalist Paul Hoeffel in an article written for the Boston Globe concluded that, " Although there is widespread reluctance to use the term, it is now impossible to ignore the fact that civil war has broken out in Argentina.

Although neoclassical economics has gained widespread acceptance by contemporary economists, there have been many critiques of neoclassical economics, often incorporated into newer versions of neoclassical theory as human awareness of economic criteria changes.

Although most of those directly involved in the campaign believe that the rally really came to widespread attention only after the election itself.

Although most Oxfordians accuse mainstream academics of rejecting their theory only because they have a vested interest in maintaining the status quo, they often cite the work of individual scholars to create the appearance of widespread agreement on an issue, even when the opinion in question is more widely considered eccentric or outdated.

Although such racist ideologies have been widely discredited after World War II and the Holocaust, racism and racial discrimination have remained widespread around the world.

Although now largely obsolete due to the rise of inexpensive DNA sequencing technologies, RFLP analysis was the first DNA profiling technique inexpensive enough to see widespread application.

Although Somalia has had no central monetary authority for upwards of 15 years between the outbreak of the civil war in 1991 and the subsequent re-establishment of the Central Bank of Somalia in 2009, the nation's payment system is actually fairly advanced due primarily to the widespread existence of private money transfer operators ( MTO ) that have acted as informal banking networks.

Although the reciprocating steam engine is no longer in widespread commercial use, various companies are exploring or exploiting the potential of the engine as an alternative to internal combustion engines.

Although being a workaround, MESECAM is much more widespread than " native " SECAM.

Although Stephen's son William was young and unprepared to challenge Henry for the throne in 1153, the situation could well have shifted in subsequent years — there were widespread rumours during 1154 that William planned to assassinate Henry, for example.

Although some applications had counterparts using earlier technologies such as the spark gap transmitter or mechanical computers, it was the invention of the vacuum tube with three electrodes triode and its capability of electronic amplification that made these technologies widespread and practical.

Although initially developed in the early years of the 19th century, gas lighting became widespread during the Victorian era in industry, homes, public buildings and the streets.

Although the Han Dynasty of China was firmly cemented into power and extended its imperial influence into Central Asia during the first half of the century, by the second half there was widespread corruption and open rebellion.

Although cultivated since antiquity, it was the invention of the cotton gin that so lowered the cost of production that led to its widespread use, and it is the most widely used natural fiber cloth in clothing today.

Although pricing made it inaccessible for most musicians, it found widespread use among producers and professional recording studios, competing at times in this market with such high-end production systems as the Fairlight CMI.

Although Mr. Brown was not himself its inventor ( it was a French idea ), it is typical that his intuition first conceived the importance of mass producing this basic tool for general use.

Although the axiom of countable choice in particular is commonly used in constructive mathematics, its use has also been questioned.

Although Dirac did not himself use the term antimatter, its use follows on naturally enough from antielectrons, antiprotons, etc.

Although when burned, amber does give off a characteristic " pinewood " fragrance, modern products, such as perfume, do not normally use actual amber.

Although originating in the mainland of Greece, use of the acropolis model quickly spread to Greek colonies such as the Dorian Lato on Crete during the Archaic Period.

Although cheap and effective in enabling use of some software that only used official ROM entry points for text output, this solution proved very slow because the Electron had to be placed into an 80-byte-pitch display to be able to get anywhere near to reproducing mode 7 and the CPU spent a lot of time drawing approximations of mode 7 characters and graphics that in a hardware solution would be achieved without any CPU processing.

Although there have been periodic initiatives to revive their use, airships have seen only niche application since that time.

Although such a conversion can be prone to loss, most modern audio systems use this approach as the techniques of digital signal processing are much more powerful and efficient than analog domain signal processing.

Although a number of different broadcast television systems were in use worldwide, the same principles of operation apply.

Although they are generally classified as a cappella metal, the band also includes a drummer, and use amplifiers on some songs to distort the voice to sound more like a real guitar.

Although local police were surprised by the size of N30, law enforcement agencies have since reacted worldwide to prevent the disruption of future events by a variety of tactics, including sheer weight of numbers, infiltrating the groups to determine their plans, and preparations for the use of force to remove protesters.

Although forms of brass have been in use since prehistory, its true nature as a copper-zinc alloy was not understood until the post medieval period because the zinc vapor which reacted with copper to make brass was not recognised as a metal.

Although he assumed use of his stepfather's surname, it was not until Billy ( as he was known then ) turned fifteen that he formally adopted the surname Clinton as a gesture toward his stepfather.

Although trade unions in Benin represent up to 75 % of the formal workforce, the large informal economy has been noted by the International Trade Union Confederation ( ITCU ) to contain ongoing problems, including a lack of women's wage equality, the use of child labour, and the continuing issue of forced labour.

Although a Conservative, Disraeli was sympathetic to some of the demands of the Chartists and argued for an alliance between the landed aristocracy and the working class against the increasing power of the merchants and new industrialists in the middle class, helping to found the Young England group in 1842 to promote the view that the landed interests should use their power to protect the poor from exploitation by middle-class businessmen.

Although the use of aircraft has for the most part always been used as a supplement to land or naval engagements, since their first major military use in World War I aircraft have increasingly taken on larger roles in warfare.

Although the holiday may use features of the Gaelic Beltane, such as the bonfire, it is more alike the Germanic May Day festival, both in its significance ( focusing on fertility ) and its rituals ( such as maypole dancing ).

Although players usually use their sticks to move the ball around, they may use any part of their bodies other than their heads, hands or arms and may use their skates in a limited manner.

Although the process of fermentation was not fully understood until Pasteur's work in 1857, it is still the first use of biotechnology to convert a food source into another form.