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Microphones, Microspeakers, and Audio Processing 2021

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Market & Technology Trends by Yole Développement

New audio functions like active noise cancellation, 3D audio and beam forming are expanding the audiomarket and adding audio processing to microphones, microspeakers, codecs, and amplifiers.

More information: https://www.i-micronews.com/products/microphones-microspeakers-and-audio-processing-2021/

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Microphones, Microspeakers, and Audio Processing 2021

  1. 1. From Technologies to Markets © 2021 From Technologies to Markets Microphones, Microspeakers, and Audio Processing Courtesy of Gerd Altmann from Pixabay Market and Technology Trends 2021 Sample
  2. 2. 2 2 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 DEFINITIONS Microphones, microspeakers and audio solutions Microphones Transducers that convert sound into an electrical signal. Microspeakers Transducers that convert electrical signals into sound. Audio Codec Electronic device that enable coding or decoding a digital data stream of audio. Audio Amp Electronic device that increases the strength or amplitude of audio signals passing through it.An audio amplifier amplifies low-power audio signals to a level suitable for driving loudspeakers. APU / SoC Main processor which can include audio processing such as DSP functionalities, which enable fast digital signal processing. It can process data in real time, making it ideal for applications that can't tolerate delays. Courtesy of Knowles Courtesy of USound
  3. 3. 3 3 • Glossary 2 • Definitions 3 • Table of contents 4 • Scope of the report 5 • Methodologies and definitions 9 • About the authors 10 • Companies cited in this report 12 • What we got right, What we got wrong 13 • 3-page summary 16 • Executive summary 20 • Context 60 o Introduction o A voice-connected world o The digital audio chain o Microphones o Microspeakers o Audio IC • Market forecasts 75 o Microphones o Microspeakers o Audio IC • Market trends 116 o Consumer trends o Automotive trends o Industrial trends o Medical trends o Military trends Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 TABLE OF CONTENTS • Market shares and supply chain 178 o Competition in the microphone market o The audio industry galaxy o MEMS-based audio supply chain o Partnerships, mergers and acquisitions o 2018 microphone revenue market share o MEMS microphone players and offered technologies o MEMS microphone revenue rankings o MEMS microphone value chain o MEMS speaker value chain o Audio IC landscape o Audio IC market share o Supply chain for audio IC for mobile devices o Current value of components o Potential value of components o MEMS-based audio value chain • Technology trends 210 o Microphones o Speakers o Audio IC o Packaging • Outlook 283 • How to use our data? 287 • About Yole Développement 290
  4. 4. 4 4 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 SCOPE OFTHE REPORT MEMS microphones Microspeakers Audio processing Electret condenser microphones (ECMs) Not included in the report* Yours needs are out of the report’ scope? Contact us for a custom: * Only used for comparison with the MEMS microphone market.The ECM market analysis is not included in this report.
  5. 5. 5 5 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 REPORT METHODOLOGY Market Volume (in Munits) ASP (in $) Revenue (in $M) Yole’s market forecast model is based on the matching of several sources: Information Aggregation Preexisting information
  6. 6. 6 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 ABOUT THE AUTHORS Biographies & contacts Alexis DEBRAY Alexis Debray is a Technology & Market Analyst in the MEMS and Sensors team at Yole Développement, the ‘More than Moore’ market research and strategy consulting company. Alexis spent 17 years in Japan, including 2 years at the University of Tokyo where he studied MEMS technologies, and 15 years at Canon Inc. where he was a research engineer. There he contributed to works on MEMS devices, lingual prehension, and terahertz imaging devices. He is the author of various scientific publications and patents. Alexis graduated from ENSICAEN and holds a PhD in applied acoustics. Contact: alexis.debray@yole.fr Dimitrios DAMIANOS Dimitrios Damianos, PhD joinedYole Développement (Yole) as a Technology and Market Analyst in the Photonics & Sensing division. Dimitrios is daily working with his team to deliver valuable technology & market reports regarding the imaging and sensor industry including photonics & MEMS. He holds a BSc in Physics and a MSc degree in Photonics from the University of Patras (Greece).After his research on theoretical and experimental quantum optics and laser light generation, Dimitrios pursued a Ph.D. at Grenoble’s university (France) in optics and microelectronics. He has also authored and co-authored several scientific papers in international peer-reviewed journals. Contact: dimitrios.damianos@yole.fr
  7. 7. 7 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 ABOUT THE AUTHORS Biographies & contacts Adrien SANCHEZ As a Technology & Market Analyst, Computing & Software, Adrien Sanchez belongs to the Semiconductor, Memory & Computing division at Yole Développement (Yole). In collaboration with his team, Adrien produces technology & market analyses covering computing hardware and software, AI, machine learning and neural networks. Adrien graduated with a double degree at Grenoble Institute of Technology PHELMA (Grenoble INP Phelma, France) and Grenoble Ecole de Management (GEM, France), and he earned an MSc on AI at Heriot-Watt University (Edinburgh, UK). Contact: adrien.sanchez@yole.fr Pierre DELBOS Pierre DELBOS is a Technology & Market Analyst in the Photonics & Sensing division atYole Développement. Pierre is involved in the development of technology and market reports covering MEMS & sensing technologies, including inertial sensors, microphones, optical MEMS, and particle sensors. He also collaborates with his team on custom studies for the key players in the MEMS Industry. Pierre holds a master’s degree in Microelectronics and Photonics Engineering from Grenoble Institute of Technology, PHELMA (France). Contact: pierre.delbos@yole.fr
  8. 8. 8 8 AAC Technologies,AKM,Airoha,Alibaba,Amlogic,Ambiq Micro,AMS AG,Analog Devices,Apple,ASE,Audience,Audiopixels,Awinic, BESTechnic, Bluetrum, Broadcom, Bosch Sensortec, BSE, CEVA, Cirrus Logic, Cypress, Diodes Incorporated, DSP Group, EPiCMEMS, Gettop, Goermicro, Goertek, Google, Harman, HiSilicon, Hosiden, HTC, Huawei, Infineon, Intel, InvenSense, Jieli Technology, Knowles, Maxim integrated, MediaTek, MEMSensing, Merus Audio, Merry Electronics, Microsoft, Motorola, NeoMEMS, NJRC, Nokia, NXP, Omron, Oppo, Partron, Qualcomm, Realtek, Richtek, Rohm Semiconductor, Samsung, SensiBel, Silicon Mitus, Sony, Sonic Edge, Sonion, STMicroelectronics, Synaptics,TDK-Invensense,Texas Instruments,TSMC, UniSoc, USound,Vesper, XFab, Xiaomi, xMEMS, xMOS,Yamaha, Zilltek and more Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 COMPANIES CITED IN THIS REPORT
  9. 9. 9 9 THE AUDIO CHAIN sound source microphone Low pass filter Sampling Quantizing Analog signal Digital domain Processing Computing Analyzing Digital to analog conversion Amplifier pressure waves loudspeaker Low pass filter Analog signal • Noise cancellation • Echo cancellation • Beam forming • Source localization • Speech recognition • Data mining Cloud Cloud or APU or SoC Codec IC or SoC or APU APU: Application Processor Unit Codec IC: Coding decoding Integrated Circuit SoC: System on a Chip Codec IC or SoC or APU or Amplifier IC Digital microphone or Codec IC or SoC or APU Codec IC or SoC or APU Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 Power consumption • Microphone: < 1 mW • Codec: 5 mW • Speech recognition: 100 mW (highly dependent on number of words and algorithm) • Amplifier: 50 mW for smartphone
  10. 10. 10 AUDIO MARKET FORECAST 2020 - 2026 forecast In the next five years, the audio market growth will be driven by MEMS microphones and audio- centric APU and SoC. Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 MEMS microphone Audio codec APU,Audio SoC, Audio DSPs Audio amplifiers Microspeakers $1.2B $1.3B CAGR 0.8% $2B $2.9B CAGR 6.2% $1.4B $2.5B CAGR 10.5% $9B $11B CAGR 3.5% 2020 $15.3B 2026 $21.4B Consumer audio IC $1.8B $3.9B CAGR 13.3%
  11. 11. 11 11 $740M CAGR 3.1% Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 MEMS MICROPHONE MARKET BY MAIN APPLICATION $13M $267M CAGR 22% $81M $103M CAGR 42% $142M CAGR -0.22% $144M $171M $750M CAGR 28% $96M $146M CAGR 7.2% $615M 2020 $1.3B 2026 $2.4B $229M $288M CAGR 3.9% TWS earbuds Smart speakers Laptops Automotive Smartphones Hearing aids Other applications
  12. 12. 12 VOICE ACTIVITY DETECTION IN THE CONSUMER MARKET Applications driving the future microphone market Voice is and will remain a major vector for human & machine interface Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 Voice activity is the only way to interact withVPAs New functionality for new high-end loud- speakers : voice instructions / command • Navigating through the menu by giving oral instructions is more efficient • SmartTV remotes are now integrating MEMS microphones It is obvious that voice and motion recognition will be the main ways to communicate with the HMD. Microphones modules could be placed in each room to communicate with the smart home software or the virtual buttler. The increasing attachment rate of MEMS microphones in TWS is leading to a crystal-clear voice pick-up through beamforming and new functionalities like noise cancelling. VPA / Smart speakers Smart loud- speakers SmartTV AR /VR Smart home TWS earbuds Microphones
  13. 13. 13 13 MEMS MICROSPEAKER MARKET TRENDS The need for better sound, lower power consumption and thinner devices has prompted many startups to jump into MEMS microspeaker development. Audio Pixels USound xMEMS Arioso • In development for a long time - over 15 years. • No real product yet as performance is not clear. • Established in 2014. • Initial funding €17M. • Last round (May 2019) raised $30M. • Fraunhofer IPMS spin-off. • Initial funding €2.6M (2020). • Based on NED electrostatic actuators. • California startup. • Claims a “true MEMS-based speaker”, a membrane and actuator monolithically integrated. • Has raised $11M in funding since 2017. Startups Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 Sonic Edge • Founded in 2019. • Raised $80k for its MEMS microspeaker technology via an EU project. Who has the winning recipe?
  14. 14. 14 14 MARKET SHARES & SUPPLY CHAIN Introduction This chapter will provide: MEMS microphone market Audio IC • MEMS microphone market shares (2019 & 2020) o Dies o First Level Packaging • MEMS microphone supply chain • Player's map (dies + FLP) • Map with the: o Audio codec players o Audio amp players o Audio IP & processors companies o TWS Bluetooth processors players • Supply chain – Audio IC for: o Mobile devices o Smart speakers o TWS earbuds • Audio IC market shares Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021
  15. 15. 15 15 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 MEMS MICROPHONE RELATIONSHIPS design + die manufacturing only die manufacturing design, manufacture & sell Is manufacturing dies for 2.276Bunits 2.009Bunits 200Munits 100Munits 386Munits 411Munits ** Push from chinese foundries to win over clients?? ? ? ** Infineon has become a vertically integrated MEMS microphone manufacturer  to keep innovation speed for the dies they offer
  16. 16. 16 16 AUDIO TECHNOLOGICAL TRENDS Introduction In this chapter, you will find the technological trends of: MEMS microphones • ECM vs MEMS technology comparison • Detection principal  the membrane • Key features for microphones • Capacitive vs. Piezoelectric MEMS o Capacitive technology o Piezoelectric technology o Comparison o Market forecast • SNR o An important key feature o Market forecast • Analog vs. Digital MEMS o Market forecast • Main trends o ANC o Beamforming o Bone conduction sensors Microspeakers • What is a microspeaker? • Different conventional technologies • MEMS technology description • Conventional vs. MEMS technology comparison • Players: o Their microspeaker o Technology o Size o … Audio ICs • Audio chain description • AI unit for edge computing o Why develop a dedicated unit to compute AI applications on the edge? o The need of specialized hardware for AI acceleration o AI-accelerator, the specialized unit o Heterogenous computing • Smart speaker processor technology trend • TWS earbuds processing technology trends • Audio treatments trends • Software for audio: speech recognition, voice recognition, NLP,… Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021
  17. 17. 17 17 CAPACITIVEVS. PIEZOELECTRIC Both technologies have advantages and drawbacks. In any case, the piezoelectric market will grow in the upcoming years. Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 CAPACITIVE PIEZOELECTRIC PROS CONS • Thanks to the single layered structure, the sensor is immune to dust, water and particulate matter (which is important for TWS  ear wax) • Good SNR  mid-end for now but could reach high-end SNR with the proper materials • Possibility to co-integrate the microphone and a piezoelectric accelerometer for bone conduction sensing o Miniaturization useful for TWS • High ASP: o New technology o Market still growing o But an added value  Price is expected to decrease if high-volumes are shipped, reaching the capacitive MEMS’ ASP. • Vulnerable to dust, water and particulate matter with a membrane + backplate structure. o BUT  the recent sealed dual membrane technology from Infineon is dust and water resistant • High-performance capacitive microphones have already been developed (sealed dual membrane from Infineon)  70~75dB SNR • Low ASP  the market is mature enough and the prices are around $0.15 to $0.25. Courtesy of Vesper “The new piezoelectric films developed by Applied Materials are a game changer and we now see a clear path for piezoelectric microphones to assume leadership in signal to noise reduction, size and cost.” Matthew Crowley, CEO, Vesper Courtesy of Vesper
  18. 18. 18 18 WHERE IS AI COMPUTED? 3 levels are possible On the wearable On a smartphone In the cloud Pro Cons Pro Cons Pro Cons • Latency • Network connection • Privacy • Intermediate power constraint • Smartphone has APU with advance capacities • Possible to combine information from different sensors to generate inferences • Can display information to the user • Display • Strong power constraint • Strong heat constraint • Footprint • No computing, power and heat limitation • Higher computing capabilities • Access to others data • The smartphone needs to be close enough and connected • The smartphone needs to be on. • No smartphone is required • Can communicate information directly Privacy for sensitive data (potentially related to health) will prevent use of the cloud in most cases, at least for raw data. Only for wearables which have a user interface: • Display interface: Smartwatches,AR glasses • Audio interface: Earbuds Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021
  19. 19. 19 AUDIO TREATMENTSTRENDS Treatments to improve sound quality More and more advanced functionalities are being added to audio devices. Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 Beamforming Beamforming is a signal processing technique for spatial filtering used in sensor arrays for directional signal transmission or reception. Active Noise Cancellation (ANC) uses a noise-canceling system to reduce unwanted background noise.The system is based on microphones that register the sounds outside and inside of the earphone, then an ANC chipset inverting the soundwaves and a speaker inside the earphone canceling the outside sound by the neutralizing soundwaves. Noise Cancellation Methods Passive Noise Cancellation uses ear cups to seal out unwanted noise.This is used for both over-ear headphones and in-ear earphones where the earbud itself will keep surrounding noise out. AdaptiveActive Noise Cancellation (A2NC) automatically changes the levels of noise cancellation on its own, detecting changes in the frequency of sound coming at the listener and adapting in real-time. Spatial Audio SpatialAudio or 3D Audio is a technic which based on dynamic head tracking to the movie theater experience known since the introduction of the Dolby Atmos and DTS:X formats in 2012. Headphones use digital filters to adjust how sound bounces into your ear, tricking your brain into thinking the music is coming from throughout a 3D space. Noise reduction Noise reduction is a set of technics that are consisting in selecting and isolating a targeted audio source in a noisy audio scene.These methods are complementary to beamforming methods. Help to listen audio sources in a noisy environment. AI-controlled AutomaticAdaptive ANC (A3NC) automatically changes the levels of noise cancellation on its own, using AI for context & location awareness and adapt ANC not only to the sound level by also to the specific context, providing features such as stopping ANC if the user starts to speak.
  20. 20. 20 Contact our SalesTeam for more information 20 Contact our SalesTeam for more information Wearables in Consumer and Medical Applications 2020 Neuromorphic Computing and Sensing 2021 Status of the MEMS Industry 2021 Computing and AI Technologies for Mobile and Consumer Applications 2021 Processor Quarterly Market Monitor Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 YOLE GROUP OF COMPANIES RELATED ANALYSES Yole Développement
  21. 21. 21 Contact our SalesTeam for more information 21 Contact our SalesTeam for more information Consumer MEMS Microphone Comparison 2020 ConsumerTeardownTrack Smartphones Design Win Monitor 2021 Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 YOLE GROUP OF COMPANIES RELATED ANALYSES System Plus Consulting
  22. 22. 22 22 The Yole Group of Companies, including Yole Développement, System Plus Consulting, Knowmade and PISEO, are pleased to provide you a glimpse of our accumulated knowledge. Feel free to share our data with your own network, within your presentations, press releases, dedicated articles and more. But before that, contact our Public Relations department to make sure you get up-to-date, licensed materials. We will be more than happy to give you our latest results and appropriate formats of our approved content. Your contact: Sandrine Leroy, Dir. Public Relations Email: leroy@yole.fr Microphones, Microspeakers, and Audio Processing 2021 | Sample | www.yole.fr | ©2021 HOWTO USE OUR DATA?
  23. 23. About Yole Développement | www.yole.fr | ©2020 CONTACTS Western US & Canada Hal Levy - hal.levy@yole.fr + 1 408 334-0554 Eastern US & Canada ChrisYouman - chris.youman@yole.fr +1 919 607 9839 Europe and RoW Lizzie Levenez - lizzie.levenez@yole.f +49 151 23 54 41 82 DACH (North Germany,Austria, Switzerland) Neha CHAUDHURY - neha.chaudhury@yole.fr +49 172 97 47 248 Benelux, UK & Scandinavia Marine Wybranietz - marine.wybranietz@yole.fr +49 69 96 21 76 78 South Germany & France Martine Komono - martine.komono@yole.fr +49 173 69 43 31 India and RoA Takashi Onozawa - takashi.onozawa@yole.fr +81 80 4371 4887 Greater China MavisWang - mavis.wang@yole.fr +886 979 336 809 +86 136 6156 6824 Korea Peter Ok - peter.ok@yole.fr +82 10 4089 0233 Japan Miho Ohtake - miho.ohtake@yole.fr +81 34 4059 204 Toru Hosaka – toru.hosaka@yole.fr +81 90 1775 3866 Japan and Singapore Itsuyo Oshiba - itsuyo.oshiba@yole.fr +81 80 3577 3042 FINANCIAL SERVICES › Jean-Christophe Eloy - eloy@yole.fr +33 4 72 83 01 80 › Ivan Donaldson - ivan.donaldson@yole.fr +1 208 850 3914 CUSTOM PROJECT SERVICES › Jérome Azémar, Yole Développement - jerome.azemar@yole.fr - +33 6 27 68 69 33 › Julie Coulon, System Plus Consulting - jcoulon@systemplus.fr - +33 2 72 17 89 85 GENERAL › Brice Le Gouic, Marketing & Sales brice.legouic@yole.fr - +81 80 8131 7837 › Sandrine Leroy, Public Relations sandrine.leroy@yole.fr - +33 4 72 83 01 89 › General inquiries: info@yole.fr - +33 4 72 83 01 80 REPORTS, MONITORS &TRACKS Follow us on About Yole Développement | www.yole.fr | ©2021

Market & Technology Trends by Yole Développement New audio functions like active noise cancellation, 3D audio and beam forming are expanding the audiomarket and adding audio processing to microphones, microspeakers, codecs, and amplifiers. More information: https://www.i-micronews.com/products/microphones-microspeakers-and-audio-processing-2021/

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