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Better situation awareness means adding audio to your surveillance: https://ow.ly/zCf850SOLXk . . #technology #security #securitytech #audio #microphones

#snsinstitutions #designthinking #snsdesignthinkers### The Evolution Microphones are a ubiquitous part of modern life, playing a crucial role in various fields, from entertainment to communication, and even scientific research. As a device designed to capture sound and convert it into an electrical signal, the microphone's journey from its inception to its present-day applications is a fascinating tale of innovation and technological advancement#### The Birth of the Microphone The history of the microphone dates back to the late 19th century. The first practical microphone was invented by Emile Berliner in 1877. This early device was a carbon microphone, which used carbon dust to modulate the current passing through it, thus converting sound vibrations into electrical signals. Berliner's invention significantly improved the quality of voice transmission over the telephone, a technology that Alexander Graham Bell had patented only a year earlier. #### Technological Advancements The 20th century saw rapid advancements in microphone technology. The carbon microphone was soon followed by more sophisticated designs, including the ribbon and dynamic microphones. Ribbon microphones, introduced in the 1920s, used a thin metal ribbon suspended in a magnetic field to produce sound. These microphones were known for their high-fidelity sound reproduction and became popular in radio broadcasting. Dynamic microphones, which appeared around the same time, operate on electromagnetic induction. They are durable, reliable, and capable of handling high sound pressure levels, making them ideal for live sound reinforcement and public address systems. The Shure SM58, introduced in 1966, is a notable example and remains a standard in live sound applications to this day. The condenser microphone, which uses a capacitor to convert acoustical energy into electrical energy, became popular in the mid-20th century. Condenser microphones are highly sensitive and provide a wide frequency response, making them the preferred choice for studio recording and broadcasting. The Neumann U87, launched in 1967, is a legendary condenser microphone that has become a staple in recording studios worldwide. #### Digital Revolution and Modern Innovations The advent of digital technology in the late 20th and early 21st centuries brought about significant changes in microphone design and functionality. Digital microphones, which incorporate analog-to-digital converters, offer precise sound capture with minimal noise and distortion. USB microphones, which connect directly to computers, have democratized recording and broadcasting, allowing anyone with a computer to create high-quality audio content. In recent years, advancements in MEMS (Micro-Electro-Mechanical Systems) technology have led to the development of ultra-small microphones that are used in smartphones, hearing aids, and other compact devices. These microphones, despite their tiny size, offer impressive performance and .

3M will debut the world's first self-charging protective #communications headset that converts outdoor and indoor light into clean electrical energy. The #headset uses a patented solar cell technology called Powerfoyle™ that recharges a built-in lithium-ion #battery and eliminates the need for single-use batteries. So, whether you are working outdoors in the sun or inside with artificial light, your headset will continuously charge. The business director of 3M PELTOR, Peter Berghamn, declared, "This #technology is a real game-changer." The cutting-edge engineering and materials science integrated into these headsets have produced the ideal balance of performance, design, protection, and sustainability—a goal that 3M is steadfastly committed to pursuing. Our 3MTM PELTORTM brand, which has more than 70 years of experience in the communications equipment industry, has strived to provide a constantly changing array of product solutions to satisfy customers." 3M partnered closely with Swedish tech company Exeger to optimize the Powerfoyle solar cells by using 3M's film technology. At its two sites in Stockholm, Exeger uses only clean energy to manufacture Powerfoyle. Giovanni Fili, the CEO and founder of Exeger, stated, "I am incredibly proud to see this world's first brought to market by 3M." "The industry will benefit greatly from the #environmental advantages of replacing single-use batteries alone, which will also help establish new benchmarks for sustainability and convenience. One of the most well-known brands in the world, 3M has been a fantastic partner to us on this adventure." The 3MTM PELTORTM WSTM ALERTTM XPV Headset has many cutting-edge features that enable workers to stay safe, connected, and #productive in addition to its light-harvesting capabilities. The headset has a noise-cancelling #microphone to facilitate easier and clearer conversations even in noisy work environments. It can also connect with devices that support Bluetooth technology. The PTL (Push-to-Listen) function pauses #Bluetooth streaming and turns on ambient/environment microphones so you can hear sounds and coworkers around you without taking off your headset. Without ever taking off the #hearingprotection, users can easily modify the settings on the headset with its glove-friendly push buttons and hear a voice confirmation of their selections. The 3MTM Connected Equipment app, which is included with the headset, lets you monitor solar cell energy levels and make adjustments as well as view energy usage statistics. In order to increase the product's lifespan, it is also made in part using recycled electronics and plastics, and it can accept Over-the-Air (OTA) firmware updates. www.tycoonstory.com #3MCES2024 #SelfChargingHeadset #Innovation #ProtectiveTech #Communication #CESReveal #Tech #SmartHeadset #Protection #WirelessComm #3MInnovation #CES2024Tech #Communication #SafetyFirst #Game #Charge #CommunicationRevolution #CuttingEdgeTech #3MSecurityHeadset

The Notabrick Vi is a portable Bluetooth speaker designed to deliver powerful sound with vibrant lighting effects. It's aimed at users who need a robust and versatile audio solution for both indoor and outdoor settings. Featuring a 30W stereo output, RGB lights, and an IPX7 waterproof rating, the Notabrick Vi promises a comprehensive audiovisual experience suitable for various environments. Get Latest Price Design and Build It stands out with its sleek and durable design. Measuring 4.5 inches (ca. 11 cm) high and 3.5 inches (ca. 9 cm) in diameter, it is compact enough to carry around easily. The speaker includes a lanyard for added portability. The exterior is crafted from durable materials, ensuring it can withstand everyday wear and tear. The IPX7 waterproof rating means it can handle splashes and even brief submersion, making it ideal for use by the pool or at the beach. Technical Specifications - Dimensions: 4.5 x 3.5 inches - Weight: Not specified - Output Power: 30W - Drivers: Dual full-range drivers - Frequency Response: Not specified - Battery Life: Up to 15 hours - Connectivity: Bluetooth 5.3, TF card slot, 3.5mm AUX input, Type-C fast charging - Waterproof Rating: IPX7 - Additional Features: RGB lighting, True Wireless Stereo (TWS) pairing Performance Sound Quality: It delivers impressive audio quality with clear highs, detailed mids, and deep bass. It utilizes dual full-range drivers and digital signal processing (DSP) to enhance the sound experience. The speaker is capable of producing up to 30W of power, making it suitable for both small gatherings and larger outdoor spaces. The bass is rich and punchy, though some users may find the highs a bit sharp at higher volumes. Battery Life: With a battery life of up to 15 hours, it's reliable for extended use without frequent recharging. The Type-C fast charging port ensures quick recharges, so you spend less time plugged in and more time enjoying your music. Connectivity: Equipped with Bluetooth 5.3, the Notabrick Vi offers stable and efficient wireless connectivity. The TWS feature allows you to pair two speakers for a true stereo experience, enhancing the overall soundstage and creating a more immersive listening environment. The speaker also supports TF cards and has a 3.5mm AUX input for wired connections. User Experience The user experience is enhanced by its intuitive controls and versatile connectivity options. The speaker features easily accessible buttons for volume, playback, and Bluetooth pairing. The RGB lights add a fun and dynamic visual element, synchronizing with the music to create an engaging atmosphere. Users can also take advantage of the built-in microphone for hands-free calls, although this is not a primary feature of the device. Compatibility and Ecosystem The Notabrick Vi integrates well with other Bluetooth devices, and the TWS feature expands its usability by allowing multiple speakers to connect…

Cell Phone Stand with Wireless Bluetooth Speaker is a game-changer for those looking to enhance their multimedia experience on the go. Combining the convenience of a versatile cell phone stand with the immersive sound quality of a wireless Bluetooth speaker, this innovative gadget is a must-have for tech-savvy individuals. Key Features: The standout feature of this product is its dual functionality as a cell phone stand and a Bluetooth speaker. The stand securely holds your device in place, allowing you to enjoy hands-free viewing of videos, movies, or video calls. The wireless Bluetooth speaker delivers crisp, HD surround sound for an immersive audio experience, making it perfect for both indoor and outdoor use. Additionally, the anti-slip base ensures stability, providing peace of mind when using your device on various surfaces. Benefits: One of the primary benefits of this device is its versatility. Whether you're working from home, watching movies in bed, or enjoying a picnic outdoors, the Cell Phone Stand with Wireless Bluetooth Speaker enhances your audio and visual experience. The convenience of having a stand and speaker in one compact device eliminates the need for multiple accessories, streamlining your multimedia setup. Moreover, the compatibility with a wide range of devices, including iPhones, iPads, and Samsung Galaxy smartphones, ensures that you can enjoy the benefits of this product regardless of your device preference. Use Cases: Imagine setting up your cell phone stand with the wireless Bluetooth speaker on your desk, effortlessly switching between work calls and music playlists with crystal-clear sound quality. Or picture yourself propping up your device on the stand while cooking in the kitchen, following a recipe with ease as your favorite tunes play wirelessly in the background. For outdoor enthusiasts, this device is a game-changer – set it up at a picnic or beach outing and enjoy a cinematic experience under the open sky. In conclusion, the Cell Phone Stand with Wireless Bluetooth Speaker brings together functionality and entertainment in a sleek, user-friendly package. With its versatile features, immersive sound quality, and compatibility with popular devices, this product is a valuable addition to any tech arsenal. Whether you're a multitasking professional, a home entertainer, or an outdoor adventurer, this device is sure to enhance your daily life with its seamless blend of convenience and audio excellence. And that wraps up our review! Don't forget to hit that like and subscribe button for more awesome content. Your support means the world to us. For more information, check the link in the description. Check out the product here: https://lnkd.in/dmfT2aAF

A new era in audio transducers. xMEMS Unveils the World's First Solid-State Semiconductor MEMS Speaker. This cutting-edge innovation is set to redefine the way we experience sound, offering a host of advantages over traditional speaker designs. Traditional speakers have long relied on complex mechanisms involving diaphragms and electromagnets to produce sound. xMEMS has disrupted this norm by introducing a solid-state semiconductor MEMS speaker, where sound is generated directly from the movement of a tiny semiconductor membrane. This novel approach not only eliminates the need for traditional moving parts but also paves the way for unparalleled audio quality and efficiency. Key Features of xMEMS Solid-State Semiconductor MEMS Speaker: 1. Ultra-Thin Design: The xMEMS speaker boasts an incredibly thin profile, making it suitable for integration into a wide range of devices, from smartphones and wearables to smart home devices. This slim design ensures a seamless and unobtrusive audio experience without compromising on performance. 2. Enhanced Audio Fidelity: By leveraging the precision of semiconductor technology, xMEMS achieves an unparalleled level of audio fidelity. The solid-state design minimizes distortion and produces clear, crisp sound across the entire frequency spectrum, from deep bass to sharp highs. 3. Energy Efficiency: Solid-state semiconductor MEMS speakers are inherently more energy-efficient than their traditional counterparts. The absence of complex moving parts reduces power consumption, making these speakers ideal for battery-powered devices where energy efficiency is paramount. 4. Durable and Long-Lasting: The solid-state design enhances the durability of xMEMS speakers, as there are no fragile components that can wear out over time. This longevity ensures a sustained high-quality audio experience throughout the lifespan of the device. 5. Versatile Applications: xMEMS' innovation opens up new possibilities for audio integration in various industries. From consumer electronics to automotive and beyond, the solid-state semiconductor MEMS speaker technology promises to enhance the audio experience across a wide array of products. The introduction of xMEMS' solid-state semiconductor MEMS speaker marks a significant milestone in the evolution of audio technology. As the industry continues to seek thinner, more efficient, and higher-performing solutions, xMEMS has positioned itself at the forefront of innovation.

𝗣𝗼𝗹𝘆 𝗦𝘁𝘂𝗱𝗶𝗼 𝗨𝗦𝗕 𝗩𝗶𝗱𝗲𝗼𝗯𝗮𝗿 ᴘʀᴇᴍɪᴜᴍ ɪɴ-ʀᴏᴏᴍ ᴄᴏɴꜰᴇʀᴇɴᴄɪɴɢ Quality Audio and Video for mid-sized rooms. Poly Studio is an easy-to-use USB video bar designed for medium meeting spaces. Advanced acoustics ensure everyone sounds their best. Poly DirectorAI smart camera technology shows just enough of the room. BE CLEARLY SEEN Make the connection personal with built-in group and speaker framing provided by Poly DirectorAI smart camera technology. Everybody on the video call can see the important details - right down to body language and facial expressions. CATCH EVERY WORD Powerful stereo speakers ensure everyone can hear. A six-microphone array gives you confidence that your ideas will come across clearly. With Poly, everyone is an equal participant in meetings. SILENCE DISTRACTING SOUND Poly NoiseBlockAI technology tunes out distracting sounds that interrupt meetings. And, outside conversations stay out of your calls with Acoustic Fence technology - it captures just the voices within a defined space. 𝗦𝗲𝗲 𝗺𝗼𝗿𝗲 𝗼𝗻 𝗼𝘂𝗿 𝗙𝗮𝗰𝗲𝗯𝗼𝗼𝗸 𝗽𝗮𝗴𝗲: https://lnkd.in/dNED7bx8 𝗙𝗘𝗔𝗧𝗨𝗥𝗘𝗦 ➡️ NoiseBlockAI technology Distracting sounds are reduced with Poly NoiseBlockAI technology. ➡️ Acoustic Fence technology Keep outside conversations out of your calls with Acoustic Fence technology, which captures only the voices within a defined space. ➡️ Microphone range Ensure everyone in the room can be understood clearly with up to 15 ft/4.6 m microphone pickup range or add an optional expansion mic to extend that range even further. ➡️ Hi-fidelity speakers Hear what’s being said even if you’re seated at the back of the room. High-fidelity stereo speakers fill the room with sound so that remote participants can be heard clearly. ➡️ Poly DirectorAI technology Be more productive on both ends of your video call with a smart camera that features Poly DirectorAI smart camera tech that automatically frames the room or tracks the person speaking for deeper engagement - no drivers or software needed. ➡️ 120-degree field of view The camera’s ultra-wide field of view reaches even the back corners of a medium-sized room. See everyone while avoiding fisheye distortion with its 120-degree field of view.

The SPM1423HM4H-B is a state-of-the-art digital microphone from Knowles' SiSonic SPM series, specifically designed for applications that require high-quality audio input. Its compact form factor and advanced MEMS technology make it an ideal choice for a wide range of audio recording applications. Brand and Manufacturer Brand: Knowles Manufacturer: Knowles Features MEMS (Silicon) technology for precise sound capture Digital PDM output type ensures high-quality audio signal transmission Omnidirectional pickup pattern captures sound from all directions Operates effectively within a frequency range of 100Hz to 10kHz Sensitivity rated at -22dB ±3dB at 94dB SPL, suitable for various audio environments High signal-to-noise ratio (S/N Ratio) of 61.5dB, minimizing background noise Working Principle Utilizes MEMS (MicroElectroMechanical Systems) technology, where sound waves cause a diaphragm to move, generating an electrical signal that is then converted into a digital signal via Pulse Density Modulation (PDM). Size, Shape, and Packaging Dimensions: 0.186" L x 0.148" W x 0.055" H (4.72mm x 3.76mm x 1.40mm) Rectangular shape for efficient integration into various device designs Supplied in Tape & Reel (TR) packaging for ease of assembly in manufacturing processes Core Technical Parameters Voltage Range: 1.6 ~ 3.6V, accommodating a variety of power supplies Port Location: Top, for optimal sound capture in specific applications Termination: Surface Mount, facilitating easy mounting on circuit boards Frequency Range: 100Hz ~ 10kHz, capturing a wide range of sounds Sensitivity: -22dB ±3dB @ 94dB SPL, ensuring accurate sound reproduction S/N Ratio: 61.5dB, indicating a low noise level for clearer audio Reliability and Longevity Designed for durability and long-term performance, with no specified seal rating, indicating suitability for use in environments where moisture and dust are controlled. Precautions for Use Ensure proper handling during installation to avoid damage. Operate within the specified voltage range and environmental conditions to maintain optimal performance and longevity. Practical Application Areas Widely applicable in consumer electronics, smart devices, security systems, and any application requiring reliable and high-quality audio input. Substitutes and Equivalent Products Equivalent or substitute products must match or exceed the core technical parameters and performance characteristics of the SPM1423HM4H-B. Users are advised to consider products with similar MEMS technology, sensitivity, frequency range, and digital output types for comparable applications. MORE--> 📖▶️: https://lnkd.in/gW4vcuyU

Unlocking the Potential of Custom RCA Cables: A Comprehensive Guide When it comes to audio and video connectivity, the RCA cable stands as a timeless standard. However, for those seeking tailored solutions to match specific needs and preferences, custom RCA cables emerge as the go-to option. In this comprehensive guide, we delve into everything you need to know about these customized marvels of connectivity. 1. Crafting Your Unique Connection: The Essence of Custom RCA Cables Custom RCA cables epitomize the fusion of craftsmanship and functionality. Tailored to individual requirements, these cables offer unparalleled flexibility, ensuring seamless integration across diverse audio and video setups. 2. Unraveling the Anatomy: What Makes Custom RCA Cables Tick? Beyond their sleek exterior, custom RCA cables conceal a world of intricacies. From conductor materials to shielding techniques, every component plays a crucial role in delivering optimal performance. 3. The Power of Personalization: Customizing Your RCA Experience In a world driven by personalization, off-the-shelf solutions often fall short of meeting individual preferences. Custom RCA cables offer a solution tailored to your unique needs, whether it's length, color, or specialized connectors. 4. Quality Assurance: The Cornerstone of Custom RCA Cable Manufacturing Quality lies at the heart of every custom RCA cable. Manufacturers adhere to rigorous standards and quality control measures to uphold performance and reliability. This segment explores the stringent processes and testing protocols employed to ensure that each custom RCA cable delivers uncompromising audio and video fidelity. 5. Beyond the Basics: Advanced Applications of Custom RCA Cables While RCA cables are synonymous with home entertainment systems, their utility extends far beyond traditional setups. From professional audio studios to automotive installations, custom RCA cables cater to a myriad of advanced applications. Exploring these diverse use cases sheds light on the versatility and adaptability of customized connectivity solutions. 6. Future Trends: Innovations Shaping the Landscape of Custom RCA Cables As technology evolves, so too does the realm of custom RCA cables. Innovations in materials, design, and connectivity standards pave the way for enhanced performance and versatility. This segment offers a glimpse into future trends, providing insights into the evolving landscape of customized connectivity solutions. 7. Elevating Your Connectivity Experience: Embracing Custom RCA Cables In conclusion, custom RCA cables represent the epitome of tailored connectivity solutions. From personalized craftsmanship to uncompromising quality, these cables empower enthusiasts to elevate their audio and video experiences to new heights. Embrace the potential of custom RCA cables and embark on a journey towards seamless connectivity like never before. #cable #wire #wireharness #tape #wiringharness

Sound produced directly from a vibrating semiconductor membrane, supposedly making better quality audio. When will this be mainstream? “Traditional speakers have long relied on complex mechanisms involving diaphragms and electromagnets to produce sound. xMEMS has disrupted this norm by introducing a solid-state semiconductor MEMS speaker, where sound is generated directly from the movement of a tiny semiconductor membrane. This novel approach not only eliminates the need for traditional moving parts but also paves the way for unparalleled audio quality and efficiency.”