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Audio Quality: Performance Testing of Information Appliances

Traditional audio recording and playback hardware has recently been replaced or augmented by PC based, laptop, and handheld devices. In some cases, these Information Appliances have attempted to match the quality standards of traditional audio equipment. In other cases the applications have been new and innovative, focusing on low cost and portability, using wireless, packet switched, networked, and lossy compression methods. Traditional audio test techniques are still useful to characterize the new equipment. Some current and proposed practices will be presented which will allow rapid and accurate testing of IAs, including analog and digital electronics, and acoustic transducers.

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