Your application can use MCI to control any supported multimedia device, including waveform-audio devices, MIDI sequencers, CD audio devices, and digital-video (video playback) devices.

您的应用程序能够使用MCI控制任何支持的多媒体设备，包括波形音频设备，MIDI音序器，CD音频设备，以及数字视频(视频回放)设备。

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Based on any audio sample, the shape of the design represents the audio waveform.

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Amazon Mechanical Turk used to be a popular one, but now a number of independent sites are around, such as Death by CAPTCHA. Clever hacks have even been developed for audio CAPTCHAs that merely deconstruct waveform shapes to identify what numbers are being spoken.

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Users connect their audio source to the player via analog audio input, and the player compares 15 seconds of waveform data with its internal "FingerPrints" database, matching the song up with its corresponding information from MusicID.

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