Development and implementation of audio processing techniques on iOS devices

• Main Author: Tan, Yong Da
• Other Authors: Gan Woon Seng
• Format: Final Year Project
• Language: English
• Published: 2014
• Subjects: DRNTU::Engineering::Electrical and electronic engineering
• Online Access: http://hdl.handle.net/10356/61235
• Institution: Nanyang Technological University

The aim of the project is to develop and implement audio signal processing into iOS device. In the project, the author use his own Apple iPhone 4 to test the reliability and stability of the App he have created. Apple product such as the iPhone, iPad and their notebook are increasingly popular among our daily lives with rapid advancement. iOS framework and development tool was investigated to create the Audio app. This iOS audio app created comes with user control function buttons, track progressive bar and a volume slider. It will be running in real time. Digital signal processing such as increasing or decreasing the tempo of the song and two filters were implemented. Filter gain can be adjusted. Despite the limited resource on the CPU memory and computational of the mobile phone, the app manage to run in low latency. An user-friendly interface was also integrated with phone call and email function.