Global Humanoid Robot Microphone Chip Market to Reach USD 905 Million by 2031 at 52.0% CAGR, Driven by Infineon and Knowles Electronics

The market for humanoid robot microphone chips is accelerating alongside the rise of humanoid robotics. According to the latest forecast from QYResearch, the market will expand from US$ 50 million in 2024 to US$ 905 million by 2031, achieving a compound annual growth rate of 52.0% during 2025-2031. Growth is fueled by demand in medical robots, catering industry service bots, industrial cobots, and consumer-facing humanoid platforms. Key innovations in microphone technology-such as multi-mic arrays, high signal-to-noise ratio (SNR), dust and water resistance, and ultra-low power "always-on" listening-are becoming essential features for humanoid deployments.

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Leading Companies
Infineon
Knowles Electronics
Memsensing Microsystems
Goertek
Taiwan Semiconductor Manufacturing Company
Huawei
Cambricon

Applications
Catering Industry
Medical
Industrial
Consumer Electronics
Others

Classification
Capacitive
Piezoelectric
Others

Latest Data Highlights
• Market Size: US$ 50 million in 2024 → US$ 905 million by 2031
• CAGR: 52.0% (2025-2031)
• Technology: MEMS microphones converting acoustic to electrical signals are the foundation for humanoid audio systems
• Market Concentration: Infineon leads 2024 sales, with Knowles, Memsensing Microsystems, Goertek, and TSMC supporting global supply
• Regional Trends: Asia-Pacific leads expansion, with China and Japan investing heavily in humanoid robotics; North America and Europe ramp industrial and medical pilots

Recent Developments (2024-2025):
• Knowles finalized the sale of its consumer MEMS microphone business to Syntiant at the end of 2024, consolidating sensor-to-edge AI integration for humanoid voice systems.
• TDK introduced ultra-low-power digital microphones with Acoustic Activity Detect technology, enabling "always-on" humanoids to conserve power while listening continuously.
• NVIDIA launched GR00T and Jetson Thor platforms in 2024, accelerating multimodal humanoid perception that requires synchronized, high-quality audio inputs.
• China's World Humanoid Robot Games in 2025 showcased both breakthroughs and challenges, particularly the demand for robust audio pickup in noisy, real-world environments.

Five Representative Products
Infineon - XENSIV IM69D130
A digital MEMS microphone designed for far-field applications. It delivers 69 dB SNR, 130 dB SPL acoustic overload point, and 105 dB dynamic range, supporting multi-mic arrays in humanoid robots.

Knowles - SiSonic SPH0645LM4H-B
A digital MEMS microphone with I2S interface, 65 dB SNR, and 120 dB SPL AOP. It operates at low current and is widely deployed in voice-interface humanoids.

Memsensing Microsystems - MSM261D3526H1CPM
A top-ported PDM digital MEMS microphone with 64 dB SNR and 120 dB SPL AOP. Its compact 3.5 × 2.65 × 0.94 mm size makes it suitable for dense microphone arrays in humanoid heads.

Goertek (Goermicro) - SD18OB371-132
A high-performance digital MEMS microphone with approximately 66 dB SNR and 130 dB SPL AOP. Its small package and low current draw make it ideal for humanoid service robots.

TSMC - MEMS Microphone Foundry Platforms
TSMC provides capacitive and piezoelectric MEMS microphone wafer platforms, emphasizing low power consumption and contamination resistance, supporting deployments in harsh industrial and catering environments.

Downstream Customers
Tesla
Figure AI
Agility Robotics
UBTECH Robotics
Unitree Robotics
Fourier Intelligence
Sanctuary AI
Apptronik
Boston Dynamics
SoftBank Robotics
Xiaomi Robotics
Pudu Robotics
KEENON Robotics
CloudMinds
PAL Robotics

Market Trend
Rising Demand for Multi-Mic Arrays
Humanoid robots are shifting from prototypes to real-world pilots in catering halls, hospitals, and factories. To function in noisy environments, robots are increasingly built with multi-element microphone arrays on their heads, enabling accurate far-field voice recognition and spatial sound processing.

Edge AI and Power Efficiency
Always-on listening is critical, but battery-operated humanoids require power savings. New microphones with integrated wake-on-voice detection consume only microamps until triggered, reducing power drain and extending operating cycles.

Higher Performance Requirements
Humanoid robots need microphones with high SNR (≥64-69 dB) and high acoustic overload points (≥120-130 dB SPL). These specifications allow AI systems to capture both quiet speech and loud background noise without distortion, improving interaction accuracy.

Capacitive and Piezoelectric Coexistence
Capacitive microphones dominate in volume production, but piezoelectric designs are gaining adoption in harsh environments such as kitchens and industrial floors. Their dust and water resistance make them suitable for catering robots and logistics humanoids.

Integration with Multimodal AI Platforms
NVIDIA's GR00T and Jetson Thor platforms emphasize multimodal learning where audio, video, and tactile data converge. This is increasing the demand for microphone arrays that can synchronize with high-performance GPUs and inference engines in humanoid heads.

Industry Consolidation
The acquisition of Knowles' consumer MEMS microphone business by Syntiant signals a tighter integration of hardware and edge AI. This consolidation points to shorter latency between microphone input and humanoid response, boosting real-time conversational abilities.

Expanding Market Scope
Global MEMS microphone demand continues to grow in smart devices, wearables, and vehicles, ensuring stable capacity for humanoid robot supply chains. This cross-sector demand also accelerates economies of scale, making high-performance microphones more accessible for robotics.

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Research and Validation
Both industrial research and academic studies stress that microphone arrays are indispensable for humanoid robots. They enable source localization, speech separation, and robust recognition-capabilities that single microphones cannot deliver in noisy and dynamic environments.

2025 Outlook
In 2025, humanoid robots are at a turning point. Pilots across manufacturing and healthcare demand microphones with superior noise handling and power efficiency. Companies like Infineon, Knowles, Goertek, and TSMC are racing to provide high-SNR, beamforming-ready microphone chips, while platform players like NVIDIA and Huawei push integration of audio perception into multimodal humanoid cognition. With annual growth exceeding 50%, microphone technology is becoming a cornerstone of the humanoid revolution.

Chapter Outline:

Chapter 1: Introduces the report scope of the report, executive summary of different market segments (by region, product type, application, etc), including the market size of each market segment, future development potential, and so on. It offers a high-level view of the current state of the market and its likely evolution in the short to mid-term, and long term.
Chapter 2: key insights, key emerging trends, etc.
Chapter 3: Manufacturers competitive analysis, detailed analysis of the product manufacturers competitive landscape, price, sales and revenue market share, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product sales, revenue, price, gross margin, product introduction, recent development, etc.
Chapter 5 & 6: Sales, revenue of the product in regional level and country level. It provides a quantitative analysis of the market size and development potential of each region and its main countries and introduces the market development, future development prospects, market space, and market size of each country in the world.
Chapter 7: Provides the analysis of various market segments by Type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 8: Provides the analysis of various market segments by Application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 9: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 10: The main points and conclusions of the report.

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