As multimedia and music phones grow in popularity, consumers want an iPod-quality, uninterrupted audio experience without the buzzing and clicks associated with wireless transmission. This article describes the problems delivering high power and high quality audio in music-enabled mobile phones and how a supercapacitor can overcome them. Typically, the audio amplifier power supply input in a mobile phone is connected directly to Vbattery. This paper compares audio performance between the typical setup and connecting the audio amp supply to a supercapacitor charged to 5V through a current limited boost converter.
(See document for exact affiliation information.)
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member Join the AES. If you need to check your member status, login to the Member Portal.
