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(1) See also HD DVR.

(2) (High Definition DVD) A short-lived, high-capacity optical disc that held four hours of HD video on a single-sided, single-layer 15GB disk. Sanctioned by the DVD Forum in 2003, HD DVD gave way to Blu-ray within a few years.

Based on the Advanced Optical Disc (AOD) technology from Toshiba and NEC, HD DVD used a blue-violet laser that read pits half the size of a DVD on tracks more tightly packed. Like Blu-ray, HD DVD supported 1080p resolution and advanced video codecs (see H.264 and VC-1). An advantage for media manufacturers was that, unlike Blu-ray, traditional DVD stamping machines needed only minor modifications to make HD DVDs.

The first HD DVD drives were sold in the U.S. in 2006, and Microsoft offered the drive as an Xbox option. Despite its features and support, in 2008, the majority of movie studios and retail outlets chose Blu-ray over HD DVD, and the "format war" was over.

HD DVD Formats
HD DVD-ROMs were pressed for commercial movies, while HD DVD-Rs were recorded once by the user and HD DVD-RWs were rewritable. A few dual-format HD DVD/Blu-ray players were developed, and hybrid HD DVD/DVD discs were planned. See Blu-ray, HD formats, DVD and DTV.

FULL-SIZE HD DVD (120mm) CAPACITIESSINGLE SIDED     DOUBLE SIDED HD                HDLayers  Storage  Hours    Storage  HoursSingle15GB    4       30GB     8
 Dual      30GB    8
 Triple    51GB   14
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References in periodicals archive ?
IAAF president Sebastian Coe Lord Coe, who was in Botswana in 2018, had advised BAA to apply for the AOD programme as it could assist the association in athlete support, coaching, education and anti-doping programmes.
The AOD feature can be found under the Ambient Display sub-heading under the Display Settings menu.
Figure 3(a) shows the time series and trend of monthly mean values of AOD at 500 nm over Karachi for the period September 2006-August 2014.
Drilling company Seadrill Limited (NYSE:SDRL) reported on Thursday the receipt of a contract extension from Saudi Aramco for the jack-up AOD III expiring in December 2019.
The changes include Notes V1.4.02, increased customization, display music information and AOD support for the S-View cover and keyboard cover.
(2014) estimated [PM.sub.2.5] levels for 2013 in China using satellite AOD and a geographically weighted regression (GWR) model.
The campaign saw AoD partner with a number of leading organisations across Qatar to run activities and initiatives that screened people for diabetes and offered advice on healthy lifestyles and safe fasting for people living with diabetes.
By integrating the two businesses, AOD will expand and enhance its portfolio for population health management, president and CEO Aric Agmon said.
The diagnosis of acute aortic dissection (AoD) is often delayed secondarily to its propensity to masquerade as other illnesses (i.e., renal colic, spinal-cord injury, acute cauda equina syndrome) that result in acute LBP.
The excitement of the announced commitments also helped to generate $80,000 in new pledges during the three-day AOD.