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Automatic content recognition : ウィキペディア英語版 | Automatic content recognition
Automatic content recognition (ACR) is an identification technology to recognize content played on a media device or present in a media file. Devices containing ACR support enable users quickly obtain additional information about the content they have just experienced without any user based input or search efforts. For example, developers of the application can then provide personalized complementary content to viewers.〔(【引用サイトリンク】url=http://www.gartner.com/it-glossary/automatic-content-recognition-acr )〕 == How it works ==
To start the recognition, a short audio clip is recorded by the device and sent to the identification service. The identification service uses a reference database that stores fingerprints of the works to be identified. The database also contains information about the content and associated information, including complementary media. If the fingerprint of the recorded audio sample is matched, the identification service returns the corresponding metadata to the client.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Automatic content recognition」の詳細全文を読む
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