SoundHound AI
SoundHound AI is a U.S. voice artificial-intelligence company whose technologies support music recognition, conversational assistants, and enterprise voice automation.
Last updated August 22, 2026
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Overview
SoundHound AI, Inc. is an American artificial-intelligence and speech-technology company headquartered in Santa Clara, California. The business began in 2005 as Melodis, founded by Keyvan Mohajer, Majid Emami, and James Hom. Its earliest focus was music identification and discovery, positioning the company as an alternative to services such as Shazam. The company’s consumer music-recognition service was associated first with Midomi and later with the SoundHound name. Midomi allowed users to identify music through recorded audio, humming, or singing, while the SoundHound application developed into the company’s principal consumer-facing music product. The business changed its corporate identity from Melodis to SoundHound in 2010. Its music application experienced rapid user growth during the early 2010s, and the service became available through mobile applications as well as a web version hosted at midomi.com. The company subsequently extended its technology beyond music search into speech recognition, natural-language understanding, and voice synthesis. This expansion led to the creation of Houndify, a platform launched in December 2015 that allowed businesses and device makers to add conversational voice interfaces to their products and services. SoundHound’s enterprise strategy has included automotive, restaurants, financial services, customer service, and other voice-enabled applications. In the automotive sector, the company’s music-recognition technology was integrated into infotainment systems offered in selected Hyundai and Kia vehicles beginning in 2015. Houndify was designed as a technology platform rather than only a consumer assistant, enabling third parties to build branded voice experiences while retaining control over application behavior and data flows. The company increasingly emphasized business-to-business voice automation during the 2020s. Its systems have been used for restaurant phone ordering, drive-through interactions, customer-service automation, and other commercial workflows. Restaurant customers reported in the reference material include Jersey Mike’s Subs and White Castle, while the company has also worked with other restaurant chains. SoundHound strengthened this direction through acquisitions, including SYNQ3 Restaurant Solutions in December 2023, Allset in June 2024, and Amelia AI in August 2024. These transactions broadened its capabilities in restaurant technology, ordering, enterprise conversational AI, and automated customer engagement. SoundHound became a publicly traded company on Nasdaq in April 2022 after merging with Archimedes Tech SPAC Partners. At the same time, it adopted the name SoundHound AI, reflecting its shift from a primarily music-oriented identity toward a broader artificial-intelligence platform. The company has continued to operate under the SOUN ticker. Its financing history includes venture investment from technology and institutional investors, a 2018 funding round led by Tencent, and strategic financing announced in 2023. The company has also experienced restructuring and financial pressure associated with its transition to a public enterprise software business. It announced workforce reductions in late 2022 and again in early 2023. In February 2025, Nvidia disclosed that it had sold its stake in SoundHound. SoundHound’s present brand proposition centers on voice AI that can understand natural language, complete transactions, and support customer interactions across devices, vehicles, restaurants, and enterprise service environments.
History
SoundHound AI originated in 2005 as Melodis Corp., a company established by Keyvan Mohajer, Majid Emami, and James Hom. The founders initially concentrated on computational music recognition, seeking to let users identify songs from recorded audio, humming, or singing. This placed the company in competition with other music-identification services while giving it an early technical foundation in speech and audio processing. The company’s first major consumer service was Midomi. In 2009, the Midomi music-discovery application was rebranded as SoundHound, although the Midomi web domain continued to host a web version for many years. The mobile service grew substantially during the early 2010s, increasing from approximately two million users in January 2010 to 100 million users in September 2012 according to the cited reference material. In 2010, the corporate entity itself completed its transition from Melodis to SoundHound. During the middle of the 2010s, SoundHound began moving from consumer music recognition toward general-purpose voice interaction. In 2015, Hyundai Motors started incorporating SoundHound music-recognition functionality into the infotainment systems of selected Hyundai and Kia vehicles. In December of the same year, SoundHound launched Houndify, a platform intended to provide voice interfaces and natural-language capabilities for third-party products and services. This marked an important strategic change: rather than relying solely on a consumer application, SoundHound could license or deliver its underlying technology to enterprises, device manufacturers, and industry-specific operators. The business attracted substantial venture and strategic investment. By June 2015, it had reportedly raised about $40 million from investors including Global Catalyst Partners, TransLink Capital, and Walden Venture Capital. In January 2017, it raised a further $75 million in a round involving Nvidia, Samsung, Kleiner Perkins Caufield & Byers, and other investors. The company’s reported valuation reached $1 billion in January 2018, and a further $100 million round led by Tencent was announced in May 2018. SoundHound’s enterprise focus became more pronounced as conversational AI matured. Its voice-recognition, language-understanding, and synthesis technologies were applied to automotive systems, restaurant ordering, drive-through operations, financial services, and customer support. During 2023 and 2024, the company began supplying voice-AI phone-ordering systems to restaurant chains, with Jersey Mike’s Subs and White Castle identified among its customers. By October 2024, SoundHound said that its restaurant phone-ordering technology had handled more than 100 million customer interactions. A major corporate milestone occurred in April 2022, when SoundHound merged with Archimedes Tech SPAC Partners and began trading on Nasdaq under the symbol SOUN. The company adopted the name SoundHound AI at the time of the listing, signaling a broader identity centered on artificial intelligence rather than music recognition alone. The listing also brought greater public-market scrutiny and pressure to control operating costs. SoundHound announced a workforce reduction of about 10 percent and salary adjustments in November 2022, followed by a reduction of approximately half its workforce in January 2023. Reports cited in the reference material also indicated that the company had received less than half of the funds it had expected from the SPAC transaction. SoundHound subsequently used acquisitions to broaden its enterprise platform. In December 2023, it acquired SYNQ3 Restaurant Solutions for $25 million, adding restaurant-focused voice-AI capabilities. In June 2024, it acquired Allset, a restaurant-ordering marketplace founded in Ukraine. In August 2024, it acquired Amelia AI for $85 million, strengthening its position in enterprise conversational AI and customer-service automation. The reference material states that the acquisition of Interactions LLC was announced as completed in September 2025; this event is treated as a reported milestone, although additional details are not included here. The company’s more recent corporate-finance developments include $100 million in strategic financing announced in April 2023 and Nvidia’s disclosure in February 2025 that it had sold its SoundHound stake. SoundHound remains an active Nasdaq-listed company whose brand spans consumer music discovery and enterprise voice automation. Its long-term strategy is built around deploying speech recognition, natural-language understanding, generative or conversational AI, and voice synthesis in industry-specific customer interactions.
- 2024
Allset and Amelia AI acquisitions
[1]SoundHound acquired Allset and Amelia AI, extending its restaurant-ordering and enterprise conversational-AI capabilities.
- 2023
SYNQ3 Restaurant Solutions acquired
[1]SoundHound acquired SYNQ3 to expand voice automation for restaurants.
- 2022
SoundHound AI lists on Nasdaq
[1]The company completed its SPAC merger and began trading as SOUN, adopting the SoundHound AI name.
- 2015
Automotive infotainment integration begins
[1]Selected Hyundai and Kia infotainment systems began offering SoundHound music-recognition functionality.
- 2015
Houndify launches
[1]SoundHound introduced Houndify as a voice-interface platform for external products and services.
- 2010
Corporate rebrand to SoundHound
[1]Melodis formally changed its corporate identity to SoundHound.
- 2009
Midomi application becomes SoundHound
[1]The company rebranded its Midomi music-discovery application as SoundHound, while the Midomi web identity continued separately.
- 2005
Melodis is founded
[1]Keyvan Mohajer, Majid Emami, and James Hom founded Melodis Corp. to develop music-recognition and related audio technologies.
Products and positioning
Enterprise-focused conversational AI and voice automation provider, with roots in consumer music recognition and applications across automotive, restaurants, and customer service.
Consumer music identification · 2009
SoundHound music recognition
SoundHound’s original flagship consumer service identifies songs from recorded audio and supports music discovery. The product developed from the company’s Midomi service and became the principal public expression of the SoundHound brand. Its historical growth gave the company a large consumer audience and helped establish technical expertise in audio analysis, speech input, and music metadata.
Voice AI platform · 2015
Houndify
Houndify is SoundHound’s platform for embedding conversational voice interfaces into third-party products and services. It combines speech recognition, natural-language understanding, dialogue capabilities, and voice interaction tools. The platform reflects SoundHound’s move from a consumer music application toward enterprise and device-partner deployments.
Conversational artificial intelligence
SoundHound Chat AI
SoundHound Chat AI is a conversational AI offering associated with the company’s broader effort to combine voice interaction with generative and natural-language systems. It is intended to let users ask questions and interact through spoken language while connecting conversational responses with practical assistant functions.
Restaurant automation · 2023
Restaurant voice ordering
SoundHound provides voice-AI systems for restaurant telephone ordering, drive-through interactions, and related customer workflows. These systems are designed to answer customers, understand orders, manage common questions, and connect conversations to restaurant operating processes. Customers identified in the reference material include Jersey Mike’s Subs and White Castle.
Enterprise conversational AI
Amelia AI enterprise solutions
Amelia AI’s enterprise conversational-AI capabilities became part of SoundHound’s portfolio following the 2024 acquisition. The offering is associated with customer service, employee assistance, and automated enterprise interactions, complementing SoundHound’s voice technology and industry-specific deployments.
Marketing campaigns
- 2023Restaurant voice-ordering rollout
United States
SoundHound deployed voice-AI telephone ordering and related restaurant automation for chain operators, including Jersey Mike’s Subs and White Castle.
Outcome. The company reported that its restaurant phone-ordering technology had processed more than 100 million customer interactions by October 2024.
- 2015Automotive infotainment partnership expansion
South Korea · United States · Global automotive markets
SoundHound’s music-recognition technology was introduced in selected Hyundai and Kia infotainment systems, extending the brand from mobile music discovery into embedded automotive experiences.
Outcome. The initiative demonstrated SoundHound’s ability to distribute its technology through automotive hardware and software ecosystems.
Brand decisions
2024
Acquire Amelia AIM&ABackground
SoundHound sought to broaden its enterprise conversational-AI and customer-service capabilities.
Action taken
SoundHound acquired Amelia AI for $85 million.
Aftermath
The acquisition added enterprise conversational-AI capabilities to SoundHound’s voice technology portfolio.
Acquisition consideration. $85 million (August 2024)
2023
Acquire SYNQ3 Restaurant SolutionsM&ABackground
SoundHound wanted to deepen its presence in restaurant voice automation and ordering.
Action taken
The company acquired SYNQ3 Restaurant Solutions for $25 million.
Aftermath
The deal expanded SoundHound’s restaurant-focused voice-AI capabilities.
Acquisition consideration. $25 million (December 2023)
2022
Complete SPAC merger and public listingM&ABackground
SoundHound pursued a public-market transaction to fund and support its expansion as an artificial-intelligence company.
Action taken
SoundHound merged with Archimedes Tech SPAC Partners and began trading on Nasdaq under SOUN, while changing its name to SoundHound AI.
Aftermath
The transaction established SoundHound AI as a public company but was followed by cost controls and workforce reductions.
Transaction valuation. Approximately $2.1 billion (April 28, 2022)
2022
Implement workforce reduction and salary adjustmentsStrategyBackground
The company faced pressure to manage expenses after its public listing; reports indicated that it had received less than half of the funds anticipated from the SPAC transaction.
Action taken
SoundHound reduced its workforce by approximately 10 percent and adjusted salaries.
Aftermath
Further substantial workforce reductions followed in January 2023 as the company focused resources on its core business.
2015
Launch HoundifyProduct launchBackground
SoundHound sought to extend its audio and speech expertise beyond music identification.
Action taken
The company introduced Houndify as a voice-interface platform for other products and services.
Aftermath
Houndify supported SoundHound’s transition toward licensing and delivering conversational technology to enterprise and device partners.
2010
Adopt the SoundHound corporate identityStrategyBackground
The company was expanding its music-recognition service beyond the original Melodis identity.
Action taken
Melodis formally rebranded as SoundHound.
Aftermath
The SoundHound name became the foundation for both the consumer music application and the later enterprise voice-AI business.
Recent events
SoundHound AI launches in-car voice technology for dining with OpenTable[3]
Reported:
SoundHound AI announced a collaboration with OpenTable to introduce in-car speech AI technology that lets drivers use voice commands to book restaurants.
SoundHound and Deutsche Telekom announce voice AI partnership[4]
Reported:
SoundHound Inc. announced a partnership with Deutsche Telekom to bring voice AI capabilities powered by SoundHound's Houndify platform to Deutsche Telekom devices.
Sources4 sources
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