This paper introduces various open-loop and closed-loop switching amplifiers and then reviews merits and demerits when they are applied to consumer electronic products. Audio specifications in products that open-loop and closed-loop switching amplifiers are adopted to are measured and analyzed whether they have weak points. After that, the paper proposes a simple and effective method for the error control. The proposed method has the outstanding audio performance in consumer electronics products.
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https://aes2.org/publications/elibrary-page/?id=15101
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