12 Dec '11, 9pm

Audio performance advances in portables

Audio performance advances in portables

Ultimately however, the most promise may lie with using software-based techniques to correct and enhance the sound quality in portables. These would include employing basic techniques such as equalization (EQ) and automatic gain control (AGC), as well as dynamic range compression (DRC) and even sophisticated psychacoustics and custom audio algorithms. Wolfson Microelectronics' WM0010 programmable standalone audio DSP, for example, offers "off-the-shelf" algorithms in addition to allowing a manufacturer to integrate their own solutions. This applies as well to the company's WM5100 ( WM5100 datasheet ) audio SoC, which integrates three bespoke DSP cores, allowing manufacturers to use their own or licensed algorithms.

Full article: http://www.edn.com/article/520295-Audio_performance_advan...

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