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从推荐算法优化到AI4S、Pico和大模型,杨震原长文揭秘字节跳动的技术探索
机器之心· 2025-11-25 09:37
相比往届,2025年字节跳动奖学金不仅增加了获奖名额,也将奖学金从10万元升级 为20万元,含10万元现金,以及10万元专项学术资源补贴,可用于参加学术会议、 科研差旅等相关支出。此外,字节跳动还为每位获奖学生的导师提供10万元奖励, 以此致敬导师在学子成长与科研道路上的辛勤付出。 颁奖典礼上,字节跳动技术副总裁杨震原对获奖师生表示祝贺,并分享了字节跳动 在技术领域的一些探索历程,鼓励同学们保持耐心和热爱,挑战真正有高度的技术 难题,为社会创造更大价值。 以下为杨震原分享全文。 11月24日,第五届字节跳动奖学金颁奖典礼在北京大钟寺办公区举办。 本届奖学金共吸引了中国和新加坡66所高校的500余名同学报名申请,来自清华、 北大、复旦、人大、华中科技大学、香港大学、新加坡国立大学、南洋理工大学等 高校的20位学子获奖,覆盖大模型、机器学习、多模态、AI Infra、机器人、AI for Science、硬件等领域。 大家好,很高兴在字节技术奖学金,这样一个场合见到大家。我自己是一个技术爱好者,2014 年我加入字节跳动。从最初负责搭建新的推荐系统开始,到现在已经有快12年了。这些年来, 也一路参与了字节很多的技 ...
瑞声科技(02018.HK)收购芬兰Dispelix:瞄准META/苹果/谷歌XR供应链?
Ge Long Hui· 2025-11-24 08:54
01、克制公告背后的伏笔 据行业报道,此次收购消息公布后,获得了来自Meta、Samsung、依视路(EssilorLuxottica)、SCHOTT、 歌尔光学、水晶光电、Lumus、WaveGuide等众多行业领军人物的点赞,显示出行业人士对该交易的关 注与祝福。 这起备受瞩目的跨国并购,不仅是瑞声科技在XR领域加码的关键举措,其公告中还隐藏着更值得注意 的关键信息:瑞声科技正与全球头部移动终端生态系统构建者合作,参与开发下一代XR参考设计硬件 平台,并与Dispelix联合多家一线OEM厂商共同研制下一代AR设备。 早在数月前,行业就传出瑞声科技将并购国际头部光波导公司,以构建XR核心能力。11月18日,该传 闻落地,瑞声科技正式宣布收购芬兰AR衍射光波导技术领军企业Dispelix。 Dispelix专注于消费级与企业级AR设备的透明光波导技术研发,其产品作为AR设备近眼显示系统的核 心组件,可实现现实世界与虚拟场景的无缝融合。而瑞声科技凭借数十年在声学、光学、触感、精密制 造领域的技术积淀,已构建起覆盖智能手机、智能汽车等多场景的解决方案能力。 瑞声科技管理层曾表示,公司将以"构建核心技术平台、实现 ...
百镜热潮之后:XR仍在寻找能“摆脱手机”的未来
Guan Cha Zhe Wang· 2025-11-19 06:19
Core Insights - The XR industry has experienced a surge in interest and investment, but the actual user adoption and sustained engagement remain low, indicating a disconnect between technological advancements and market readiness [2][4][6] - The dominance of smartphones poses a significant challenge for XR devices, as they have become the primary interface for digital interaction, making it difficult for XR to establish its unique value proposition [5][6] - The future success of XR will depend on its ability to address specific use cases that smartphones cannot fulfill, rather than attempting to replace them [6][25][27] Industry Overview - The past two years have seen a "hundred glasses war" in the XR market, with numerous companies launching new XR glasses, but this excitement has not translated into habitual consumer use [2][4] - Despite hardware advancements in XR technology, the software ecosystem is lagging, creating a structural imbalance in the industry [7][10][13] - The XR software ecosystem faces challenges such as a lack of mature system support, dominance by a few large companies, and insufficient content and developer resources [10][12][13] Hardware and Software Dynamics - Hardware innovations in XR, such as silicon-based OLED displays and lightweight designs, have progressed rapidly, but the software has not kept pace, leading to a critical bottleneck [7][9][13] - The industry recognizes that XR's value must extend beyond merely replicating smartphone functions to include capabilities that smartphones cannot provide [6][25] Market Challenges - XR is characterized as a long-cycle industry, requiring significant investment and time for technology and ecosystem development, which contrasts with the short-term expectations of capital [19][21][22] - Companies in the XR space face pressures from capital markets, which can lead to instability and uncertainty in funding, particularly during downturns [21][22] Strategic Responses - Some companies are proactively addressing the challenges by developing complete XR solutions rather than waiting for downstream clients to define the market [15][17] - The focus on creating integrated solutions aims to clarify the potential applications of XR technology and establish a clearer path for industry growth [15][17][27] Future Outlook - The next three to five years are critical for the XR industry, as it seeks to carve out its own identity separate from smartphones and establish a sustainable market presence [29][30][31] - Companies that continue to invest and innovate during challenging times are likely to emerge as leaders when the XR market matures [31]
雷鸟创新连续4年稳居XR行业双11销量冠军,Air 4成现象级单品
IPO早知道· 2025-11-13 02:16
Core Insights - Thunderbird Innovation has achieved a cumulative global user base of over 500,000 by October 2025 [16] - The company ranked first in XR industry sales during the Double 11 shopping festival, maintaining its position as the top seller in this category for four consecutive years [2][3] - The Thunderbird Air 4 series emerged as the best-selling XR device, while the Thunderbird X3 Pro led the sales in the full-color waveguide glasses segment [2][13] Sales Performance - During the Double 11 event, the Thunderbird Air 4 series captured a market share of 59% in the viewing glasses category across all platforms [13] - Thunderbird Innovation continues to dominate the Chinese consumer-grade AR glasses market, holding a significant market share and leading in sales volume [3][16] Product Development - The Thunderbird Air 4 series features the world's first AR glasses designed with the "Vision 4000" image quality chip, supporting HDR10 and displaying 1.07 billion colors [15] - The company collaborates with renowned audio brand B&O for professional audio tuning, enhancing the immersive experience of its products [15] Market Strategy - The company employs a strategy of "high-end technology downscaling + affordable pricing," significantly lowering the entry barrier for AR devices, allowing users to experience cutting-edge technology at a budget of around 1,000 yuan [13] - Thunderbird Innovation has established a comprehensive service loop for users, including free accessory offers and upgrade options for existing customers, strengthening brand loyalty [15] Competitive Advantage - Thunderbird Innovation is the only company in the industry that has achieved self-research and mass production of core optical solutions, enhancing its production capacity and cost advantages [16] - The company has formed deep collaborations with top global firms, ensuring leading product experiences and driving down prices through large-scale production [16]
CINNO Research:上半年中国XR消费级市场整体销量达26.1万台 环比增长9%
智通财经网· 2025-08-19 06:29
Core Insights - The Chinese consumer-grade XR market is experiencing structural differentiation in the first half of 2025, with the AR market continuing to grow while the VR market remains sluggish due to a lack of content ecosystem and new product releases [1] XR Market Overview - In the first half of 2025, the overall XR sales reached 261,000 units, representing a 9% quarter-on-quarter growth, primarily driven by the launch of new AR glasses [1] - The domestic consumer-grade VR market is in a downturn, with VR device sales at 75,000 units, marking a three-year low, attributed to insufficient investment in VR content and no major new product launches [3] - Conversely, the domestic consumer-grade AR device sales reached 186,000 units, showing a 35% year-on-year increase and a 28% quarter-on-quarter increase, supported by new product launches and government subsidies [3] - The forecast for the entire year predicts a total of 606,000 units sold in the domestic consumer-grade XR market, a 6.5% increase compared to the previous year, mainly driven by AR devices [3] Brand Trends - In the VR device market, the brand landscape remains stable, with PICO holding a 46% market share, followed by Meta at 28% and Goovis at 7%. Despite market challenges, leading manufacturers maintain their shares through cost control and ecosystem integration [4] - In the AR device market, competition is intensifying, with Thunderbird Innovation leading at 35% market share, followed by XREAL at 22%. Starry Sky Meizu ranks third due to effective policy adaptation and a comprehensive marketing strategy [4] Technology Trends - In the VR device market, Fast LCD screen sales share has rebounded to 87%, while Micro OLED screens remain focused on high-end products [5] - In the AR device market, Micro OLED screens account for 87% of sales, with Sony dominating the market. Domestic manufacturers like Visionary Technology have seen a 30 percentage point increase in market share through deep collaborations [5] - Waveguide technology maintains a stable 13% sales share, with significant breakthroughs allowing manufacturers to reduce costs by 40% and introduce products with a field of view exceeding 50 degrees [5] Investment and Financing Situation - In the first half of 2025, there were 37 global XR financing deals amounting to 44.5 billion yuan, a decrease of 34 deals compared to the previous year, but with an increase of 33.5 billion yuan in total funding, indicating a trend of capital concentration towards leading projects [7] - The AR/VR investment landscape is characterized by four trends: capital centralization, core technology focus, ecological scene development, and regional clustering [7] - The shift from speculative investment to substantial technological breakthroughs and commercialization is evident, with domestic advancements in Micro LED and silicon-based OLED becoming key factors in reshaping the global supply chain [7]
进一步加强西安区域科技创新中心建设
Xi An Ri Bao· 2025-08-11 05:27
Core Viewpoint - The implementation plan for the construction of the Xi'an Industrial Innovation Center aims to strengthen the integration of technological and industrial innovation, fostering new productive forces in the region [1][2]. Group 1: Overall Strategy and Objectives - The plan emphasizes the development of key industries and strategic emerging industries, focusing on core enterprises and relying on industrial chains and educational resources [1]. - The goal is to create an innovation center that integrates model innovation, technological breakthroughs, talent aggregation, achievement transformation, and enterprise incubation [1]. Group 2: Key Areas of Focus - The innovation center will focus on industries such as large aircraft, commercial vehicles, photovoltaics, semiconductors, energy (oil and gas), power distribution, passenger vehicles, biomedicine, new materials, low-altitude economy, drones, aerospace propulsion, artificial intelligence, and XR [2]. - Tasks include building an innovation ecosystem that deeply integrates technological and industrial innovation, addressing industry needs, and fostering high-growth technology enterprises [2]. Group 3: Operational Framework - The operational model of the innovation center will be enterprise-led, with collaboration from educational institutions, diverse investments, military-civilian integration, and achievement sharing [1][2]. - The center will be established through collaboration between the municipal science and technology bureau and other relevant departments, utilizing methods like "ranking for leadership" [2]. Group 4: Support and Coordination - A working group composed of municipal departments, district governments, and state-owned platform companies will be formed to address key challenges in the construction process [3]. - The plan calls for enhanced city-district collaboration to provide necessary support and services for the operation of the innovation center [3].
亿道信息:杭州灵伴科技曾系公司关联法人,为XR领域的重要合作伙伴
Mei Ri Jing Ji Xin Wen· 2025-07-30 08:44
Group 1 - The company, Yidao Information (001314.SZ), has confirmed a significant relationship with Hangzhou Lingban Technology, which was previously an associated legal entity and an important partner in the XR field [2] - The collaboration between the two companies focuses on technology research and development, particularly in AR spatial computing products [2] - The association has been officially terminated, and details of the previous related transactions have been disclosed in the company's announcement (Announcement No. 2024-003) [2]
2025XR行业发展白皮书
洛图科技&VRAR星球· 2025-05-22 23:15
Investment Rating - The report does not explicitly state an investment rating for the XR industry Core Insights - The XR industry is expected to enter a growth phase post-2025, following a period of adjustment from 2022 to 2024 [14] - The macro environment presents both opportunities and challenges, with technological innovation and regulatory frameworks being key factors [20][22] - The XR market is experiencing a significant divergence, with VR/MR device sales declining while AR devices show strong growth [54] Part 1: Industry Development Background and Macro Environment - The XR industry has undergone various phases, including a growth phase expected to start in 2025 [14] - The macroeconomic environment is complex, with factors such as economic recovery and technological integration influencing the industry [20][22] - Different countries are providing varying levels of support for XR technology, with the US leading in talent and technology support [25][30] Part 2: Market Size and Development Status - The global XR device shipment is projected to be 731 million units in 2024, a decrease of 10.3% year-on-year [52] - The XR market is showing a clear split: VR/MR devices are declining, while AR devices are expected to grow by 37% in 2024 [54] - In China, the XR market is also facing challenges, with a total sales volume of 53.6 million units in 2024, down 12.5% year-on-year [55] Part 3: Technology Development and Product Trends - Multiple technology routes are being explored in the XR market, with display technology being a critical focus [125] - Micro-OLED has emerged as the mainstream display technology for AR devices, with significant market share growth expected [137][140] - The XR market is characterized by a variety of product forms and functionalities, with a trend towards lightweight and user-friendly designs [141] Part 4: Operating Systems, Industry Applications, and Case Studies - Major XR operating systems are primarily based on Android, with companies like Meta and Apple leading the way in developing proprietary systems [152] - The XR ecosystem is evolving, with a focus on low-latency rendering and multi-modal interaction capabilities [152] - The report highlights the competitive landscape of XR operating systems, emphasizing the importance of ecosystem integration and developer engagement [159]
一级市场最热最贵的杭州「七龙珠」,他凭什么能冷门地押中两个?|36氪专访
36氪· 2025-04-01 10:09
Core Viewpoint - The article discusses the investment journey of Dunhong Asset in Yushu Technology, highlighting the strategic decisions and market conditions that led to the investment in a company that has become a significant player in the robotics sector. The narrative emphasizes the importance of timing, technological innovation, and market adaptability in the investment landscape [4][5][6]. Investment in Yushu Technology - Dunhong Asset's investor, Yu Wenchao, recognized Yushu Technology's potential after its robotic dog appeared on a major television event, which sparked interest despite the company being relatively unknown at the time [6][12]. - The investment decision was influenced by Yushu's ability to cross the survival line and its existing B2B business model, which provided a safety net for potential returns [7][14]. - Yushu's first consumer product, the Go1 robot, was seen as a groundbreaking entry into the consumer robotics market, with expectations that future iterations could significantly lower prices and expand market reach [13][22]. Market Conditions and Competitive Landscape - The investment landscape in 2021 was dominated by consumer sectors, with significant funding directed towards companies in food and beverage, while robotics was perceived as lacking commercial viability [6][7]. - Despite the competitive environment, Dunhong Asset managed to secure a leading position in the investment round for Yushu, competing against well-known institutions [15][16]. Team and Leadership - The leadership of Yushu, particularly CEO Wang Xingxing, is characterized by a strong technical background and a keen business sense, which has been crucial for the company's adaptability and growth [18][19]. - The team structure at Yushu combines technical expertise with strong sales capabilities, allowing for effective market engagement and product development [19]. Future Outlook for Robotics - The article posits that China is poised to lead in the field of embodied intelligence and humanoid robotics due to its manufacturing capabilities and existing application scenarios [21][22]. - Yushu's pricing strategy for its humanoid robots has made them accessible to a broader range of customers, which could accelerate market adoption [22]. Transition to Hard Technology Investment - Dunhong Asset shifted its focus from TMT (Technology, Media, and Telecommunications) to hard technology investments around 2018, recognizing the diminishing returns in the former sector [30][31]. - The investment strategy emphasizes targeting leading companies in emerging sectors, such as Yushu in robotics and Rokid in AR, to build a comprehensive supply chain around these key players [32][34].