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The Zune HD was a portable media player in the Zune product family released on September 15, 2009 by Microsoft. It was a direct competitor with the Apple iPod and iPhone series of mobile devices. It was initially released in 16 and 32 GB capacities. A 64 GB version was released on April 9, 2010. It has a touchscreen interface for navigation and included Wi-Fi for synchronization, access to the Zune Marketplace and Web browsing. The Zune HD utilized the Nvidia Tegra APX 2600 chip, allowing it to play 720p video through the optional HDMI Zune dock on a high-definition television. Otherwise, content would be scaled down to 480×272 pixels on the player's OLED touchscreen. ==History== Soon after Apple released the iPod Touch, Microsoft R&D department head, Robbie Bach began work on a touch-screen Zune player to combat it. The department started immediately on reworking the Windows CE-based OS of the older Zune to suit the new multitouch PMP. Astro Studios was contracted to design the Zune HD's aluminum casing. On June 19, 2009, Zune Insider host Matt Akers confirmed that the Zune HD would have an Nvidia Tegra APX 2600 chip and OLED touchscreen. The Zune HD was released on September 15, 2009 to retail markets in black and platinum colors and 16 or 32GB capacities; additionally, red, green, and blue-colored models were available through the online (Zune Originals ) store. Two months later, on November 6, 2009, firmware update 4.3 was released. The new firmware version improved the performance of the web browser, added support for the apps that were to be released in the days that followed, and fixed several notable bugs. On November 11, 2009, several new apps appeared on the Zune Marketplace. The apps included ''Project Gotham Racing: Ferrari Edition'', ''Audiosurf: Tilt'', ''Lucky Lanes Bowling'', ''Vans Sk8: Pool Service'', ''Checkers'', and ''Piano''. The Zune HD's Twitter app was released on December 16, 2009 to the Zune Marketplace; however, it was soon noticed that the app was censoring tweets. Microsoft promptly fixed this following an outcry among Zune HD owners in version 1.1 of the app. After previously being promised before the end of 2009,〔 the Facebook app was made available on the Zune Marketplace on March 1, 2010. Initially, the app had some API issues in which it could not download most information from Facebook, but these issues were corrected 2 days later without a software update. On April 5, 2010, after being announced at CES 2010, firmware version 4.5 was released, bringing with it several new features, such as on-device Smart DJ (a feature that had been present in the PC software for some time), Xvid codec support, and Marketplace support through the optional dock. Less than one week later, on the 9th of April, a 64GB capacity Zune HD went on sale; in addition, the 16GB and 32GB models released in September 2009 both had a price drop of US$20 on their MSRPs. On October 3, 2011, Microsoft announced that it has discontinued all Zune hardware, encouraging users to transition to Windows Phone. While that announcement was initially removed as potentially erroneous, it was reposted permanently and confirmed by Microsoft soon thereafter. In 2012, Microsoft launched Xbox Music, a successor to the Zune Marketplace. Leading up to the launch of that service, a number features of Zune and the Zune Marketplace were discontinued. Zune HD apps were longer available though the Zune Software, social components of Zune were deactivated, and limitations were placed on music video purchasing and viewing. As of late 2012, the ability to download songs directly to the Zune HD has been broken. According to the Zune Support Twitter feed, Microsoft will not be fixing it, instead announcing that it is part of the transition from Zune Music to Xbox Music. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Zune HD」の詳細全文を読む スポンサード リンク
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