28 Apr '12, 2am

Efficient amplification for real-world audio - EE Times

Efficient amplification for real-world audio - EE Times

Efficient amplification for real-world audio James Lewis, HiWave Technologies 4/25/2012 11:53 AM EDT Consumers generally cherish a warm sound from their audio systems but they are becoming less patient with the physical warmth generated by wasted electricity from their power amplifiers and active speakers. In contrast to the relentless pace of development in digital signal processing for audio enhancement and compression, amplifier design has been much slower in evolving and has not seen the same order of power-efficiency gains. But consumers are demanding more convenience, not just from portable audio devices where battery life is a prime concern, but from home systems too. Wireless speaker systems are becoming more common as they give home users more flexibility on placement without worrying about the mess caused by thick speakers cables. Yet these still require power ca...

Full article: http://www.eetimes.com/design/audio-design/4371713/Effici...

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