Well EM are still moving forward and looking to package our chip. This was published in China 2 days ago. We are close, and yes they mention Audio Pixels for all the fear munger posters:
Can't seem to publish the link as its in cantonese but here is the outputDigital MEMS speaker leader Earth Mountain completes new round of financing
Recently, Earth Mountain (Suzhou) Microelectronics Technology Co., Ltd. ( Earth Mountain) , a world-leading digital MEMS speaker developer, completed a new round of strategic financing. The investors in this round are CICC and CICC Capital. Earth Mountain, headquartered in Suzhou, China, is a world-leading high-tech enterprise in MEMS design, R&D and manufacturing. Earth Mountain 's innovative technology platform is subverting the sound of traditional speakers and will trigger an industrial revolution, which is expected to drive a global market of more than US$100 billion.
Earth Mountain's digital MEMS speaker chip uses MEMS+digital audio algorithm technology to pixelate sound waves and realize digitization at the sound end through semiconductor technology. Compared with traditional dynamic cone technology, Earth Mountain 's technology breaks through the traditional sound principle and improves audio quality to a whole new level. Since 2018, the Earth Mountain team has begun to cooperate with Israel's Audio Pixels and continuously improve its own R&D and innovation capabilities. Earth Mountain has innovative breakthroughs in MEMS structure, manufacturing process, signal processing, audio algorithm and packaging.
Earth Mountain Core Products
Different from the speaker shape of traditional speakers, MEMS digital speaker chips innovatively use ultrasonic transducer technology as the basis to achieve complete digitalization of sound. This disruptive technological change can not only greatly reduce the size of the sound-generating device, but also achieve precise control of the sound, with full-spectrum and high-fidelity technical advantages.
The MEMS speaker chip of Earth Mountain has truly overturned the principle of sound generation from the principle of sound generation. It uses MEMS array pixelated sound wave generation to realize the digitization of sound waves. Multiple vibration units can realize the generation of any specified waveform through sound reconstruction algorithm. It has high sound pressure level and can replace the speaker market and be used in the whole audio field.
Earth Mountain Product Technology Highlights
- Excellent impedance matching improves electroacoustic conversion efficiency, and significantly increases SPL (sound pressure level) compared to traditional speakers of the same size;
- Made up of thousands of micro vibration units, to perform the same movement, you only need to control the number of motion units;
- Superior performance, wider frequency range, flatter frequency response curve, less distortion, far below human ear perception;
- Low power;
- Flexible design, small size, patch installation.
Earth Mountain is committed to becoming a firm promoter and benchmark enterprise of China's hard technology. The future has arrived. Let us join hands to step into a new era of digital audio! Let high-quality "core" sound be everywhere!
The Diqiushan factory is located in Building 12 of Sound Valley, Changshu, Suzhou, a beautiful city in the south of the Yangtze River. The factory's production workshop is designed according to the high standards of international packaging factories. The total investment in the first phase of automatic packaging and testing lines currently built is 120 million yuan. The factory has a dynamic Class 1000 clean workshop of 2,000 square meters, with an annual designed total production capacity of 40 million BGA-packaged MEMS speakers, of which the first phase of production capacity that has been built is 10 million BGA- packaged MEMS speakers .
The members of the Earth Mountain packaging and testing team come from international acoustic and packaging factories including Knowles, Samsung, ASE, Nantong Fujitsu, and Changdian. The team members have an average of more than ten years of packaging engineering experience. The company has strong independent packaging technology development capabilities and process quality management capabilities. The factory has begun to apply for relevant packaging patents. With the continuous development of the company, Earth Mountain will upgrade its laboratory capabilities to meet the standards of the IEC17025 national laboratory in the future to meet the development and testing needs of future products.
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