References
- Pirzanski C, Berge B. Ear Canal Dynamics: Facts Versus Perception. The Hearing Journal.; 58(10): 8.2., 2005. https://doi.org/10.1097/01.HJ.0000285785.83490.6c
- http://www.westone.com/hearing-faqs-for-auds-and-students
The customized production market tends to get bigger due to the improvement of 3-D printing technology and a rise in national income. This research is to overcome the limitation of original production method which is localized under the mass production, and furthermore It is to find the intersection between the future 3D printer and a standard molding technology by manufacturing custom earphone with a low price.