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专利界 “奥斯卡” 揭榜,科大讯飞这一专利为什么能获奖?
Sou Hu Wang· 2025-06-06 02:45
Core Viewpoint - The report from IDC indicates that iFlytek continues to lead the AI voice semantic market in China, with the market size reaching 7.23 billion RMB in the first half of 2024, reflecting an 18% year-on-year growth, highlighting the promising future of AI voice technology [1] Group 1: Market Overview - The AI voice semantic market in China reached a total size of 7.23 billion RMB in the first half of 2024, showing an 18% increase compared to the previous year [1] - iFlytek maintains its position as the market leader in the rapidly evolving voice semantic market [1] Group 2: Technological Challenges - Voice interaction technology faces several challenges, particularly in echo cancellation, which is crucial for voice communication quality and user experience [1] - The delay estimation between the speaker and microphone is a significant pain point in echo cancellation systems, affected by various factors such as device vibration and network speed [4] Group 3: Patent Recognition - iFlytek's patent for "Echo Cancellation Method and Device Based on Delay Estimation" was awarded the China Patent Gold Award, recognizing its innovative approach to echo cancellation [1][7] - The patent introduces three major innovations: anomaly frequency point detection based on similarity, dynamic delay estimation combining statistics and instant data, and real-time echo cancellation based on filter sensitivity tracking [5] Group 4: Application and Impact - The patented technology enhances user experience in various applications, including smart home systems, automotive voice communication, medical devices, and industrial automation [6] - The technology significantly improves voice command recognition rates and communication clarity, addressing the challenges posed by background noise and echo [6] Group 5: Future Outlook - iFlytek aims to continue its commitment to core technology innovation, enhancing the quality of intelligent services and addressing societal needs, thereby positioning itself as a leader in the global AI voice and intelligent technology industry [7]