audio amplifier

基本解释

This paper introduces the principle of digital audio amplifier, and dissertates the critical is-sues in detail.
介绍了数字音频功率放大器的基本原理，并对其关键技术进行了详细论述。
With the widely use of CD, MP3, DVD, cell phone and HDTV, digital audio power amplifier (DAPA) prevails in audio amplifier field for its high efficiency, low distortion, low cost and portability.
随着CD、MP3、DVD、移动电话、数字电视等数字音源电器的普及，数字音频功放以高效率、低失真、低成本、小体积等优点日益成为音响领域的主流。
The project is designed with high efficiency, energy saving, digital, small volume features of the D for audio amplifier core portable digital megaphone.
摘要本项目设计的是以具有高效、节能、数字化、体积小等特点的D类音频缩小器为中心的便携式数字扩音器。

The device has a unique audio amplifier that powers the 3.5mm audio jack and speaker to provide improved sound for music, video and even gaming.
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In addition to continuing to provide the audio codec chip for the iPhone, he thinks the company also scored wins with a low power codes DSP chips for noise suppression, noise cancellation and echo cancellation, as well as an audio amplifier.
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The Windows Phone 8X by HTC featuring Beats Audio also offers a unique audio amplifier powering the 3.5mm audio jack and the speaker, boosting the audio signal for even better sound no matter if you're listening to music, playing a game or watching a video.
ENGADGET: Windows Phone 8X by HTC: 4.3-inch 720p display, LTE, dual-core S4, available this November