P16–038 World level group based on Rockchip RK3288 TFA9911 intelligent audio solution
Consumer Products \ SMART AUDIO

[Introduction to the program]
According to the TFA9911 intelligent audio solution on the RK3288 platform, the level group adopts the HAL layer integration scheme. All the software implementations operate I2C by the character device, and the dependency of the platform is relatively low.

[Functional description]
1. Mono Class D intelligent audio amplifier
2. can boost to 9.5 V, the volume upgrade
3. real-time detection of amplitude, temperature and cavity environment changes
4. can greatly enhance the sound quality of the sufficient margin
[Program characteristics]
1. HAL layer software program, the dependence on the platform is low
2.Supports sampling frequencies from 8 kHz to 48 kHz
3. DRC debugging function

Shenzhen Open Innovation Lab, established by Maker Collider and SIDA, is a space and a platform for worldwide makers to communicate and cooperate. Shenzhen Open Innovation Lab is also the first Fab Lab authorized by MIT CBA in Shenzhen as a research and development partner of FabLab 2.0.
Shenzhen Open Innovation Lab embodies four functions including Fab Lab promotion and FabLab 2.0 research and develop, innovation and entrepreneur education courses, global maker service platform, and supply chain collaboration service. The lab dedicates in exploring the issues and developing solutions to connect the massive production ecosystem to small hardware startups so as to promote the international standing of Shenzhen in the development of digital intelligent hardware and manufacturing and build a future intelligent hardware Silicon Valley by combining new open source method and current manufacturing system in Shenzhen.

Established in 1980 and headquartered in Taipei, Taiwan, WPI Group has over 30 sales offices with around 1600 staffs in Greater China and Asia Pacific region including Hong Kong, China, Singapore, Malaysia, Thailand, Philippines, India, Vietnam, Indonesia and Korea forming a solid and complete Asia-Pacific service network. In 2015, WPI Group achieved USD 7.5 billion of revenue.
In order to improve technology level, WPI Group established a technology department, Application Technology Unit (ATU). ATU provides technical support including component promotion, Sub-System Solution and Turnkey Solution. WPI also established a lab focused on product development testing and invested in professional equipment and instrument so as to provide one-station technical support for customers and help with shorten the R&D cycle and achieve rapid production.
