Question: Windows Sound System was developed by a multinational technology company headquartered where?

Context paragraphs:
Microsoft: Microsoft Corporation ( , abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.  It develops, manufactures, licenses, supports and sells computer software, consumer electronics, personal computers, and services.  Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface tablet lineup.  As of 2016, it is the world's largest software maker by revenue, and one of the world's most valuable companies.  The word "Microsoft" is a portmanteau of "microcomputer" and "software".

Apple Inc.: Apple Inc. is an American multinational technology company headquartered in Cupertino, California that designs, develops, and sells consumer electronics, computer software, and online services.  The company's hardware products include the iPhone smartphone, the iPad tablet computer, the Mac personal computer, the iPod portable media player, the Apple Watch smartwatch, the Apple TV digital media player, and the HomePod smart speaker.  Apple's consumer software includes the macOS and iOS operating systems, the iTunes media player, the Safari web browser, and the iLife and iWork creativity and productivity suites.  Its online services include the iTunes Store, the iOS App Store and Mac App Store, Apple Music, and iCloud.

Avaya: Avaya ( ) is an American multinational technology company headquartered in Santa Clara, California which specializes in Internet telephony, wireless data communications and customer relationship management (CRM) software.  It serves organizations at over one million customer locations worldwide, with operations divided globally into five regions, and is number 101 on "Forbes"' list of America's largest private companies.

Raima: Raima is a multinational technology company headquartered in Seattle, USA.  The company was founded in 1982.  Raima develops, sells and supports in-memory and disk-based Relational Database Management Systems that can either be embedded within the application or be in a client/server mode.  The company's focus is on OLTP databases with high-intensity transactional processing.  Their cross-platform, small-footprint products are made to collect, store, manage and move data.

IBM: IBM (International Business Machines Corporation) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.  The company originated in 1911 as the Computing-Tabulating-Recording Company (CTR) and was renamed "International Business Machines" in 1924.

Mozido: Mozido, Inc. is an American multinational technology company headquartered in Austin, Texas; that designs, develops and provides mobile commerce and payment solutions globally.  The company’s cloud-based technology delivers payments and mobile loyalty solutions to companies in retail, ﬁnancial services, consumer packaged goods and telecom that serve both banked and unbanked consumers worldwide via the mobile phone.  Mozido’s global presence includes offices in the US, China, India, Africa, UAE, Germany, Mexico, Jamaica and South Korea.

Windows Sound System: Windows Sound System (WSS) was a sound card specification developed by Microsoft released at the end of 1992 for Windows 3.1.  WSS featured support for up to 16-bit 48 kHz digital sampling, better than the contemporary Sound Blaster Pro.  Also, the WSS featured RCA analog audio outputs, an uncommon feature among sound cards of this era.

Atos (disambiguation): Atos is a multinational technology company headquartered in Bezons, France.

Smartisan: Smartisan Technology Co., Ltd. (), commonly known as Smartisan, is a Chinese multinational technology company headquartered in Beijing.  It designs and markets consumer electronic devices and online services.  Its hardware product line includes the Smartisan smartphone and the Smartisan earphone.  Its consumer software include the Smartisan OS operating system.  Its online services include the Smartisan Store, the Smartisan OS App Store and Smiling Cloud.

Subatomic Sound System: Founded in 1999 by John Emch and Noah Shachtman, Subatomic Sound System brought together musicians, producers, DJs and visual artists from a variety of backgrounds and traditions primarily based in New York City and Brooklyn to form a record label and collective that built on a combination of new music technology and traditional instruments to produce music across a variety of genres, often combining genres, in an effort to adapt 1970s’ Jamaican sound system culture and dub studio techniques to current music genres and forms of live performance.  In fall 2008, Subatomic Sound System garnered international attention for a limited edition vinyl 12" featuring their collaboration with Vienna's Dubblestandart and dub inventor Lee "Scratch" Perry, releasing the first songs from Perry in the dubstep genre, one of the first recorded examples of a tangible connection between the popular UK based electronic genre that emerged in the begin of the first decade of the 21st century and the Jamaican dub from the 1970s where dubstep's origins were rooted and which had been primarily originated by Perry himself.  Beginning in 2008, Subatomic Sound System started hosting weekly radio shows on 91.5fm, Radio New York and webcast on Brooklyn Radio.

Supporting paragraphs: Windows Sound System Microsoft
Answer: Redmond, Washington