# Compact Disc (CD) – Information Card
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Who / What
The **compact disc (CD)** is a digital optical disc data storage format designed for storing and playing high-quality digital audio recordings. It utilizes the **Compact Disc Digital Audio (CD-DA)** standard, allowing uncompressed stereo audio playback with high fidelity.
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Background & History
Developed by **Philips** and **Sony**, the CD was co-founded as a collaboration to create an advanced audio storage medium. First released in **Japan on October 21, 1982**, it succeeded the earlier LaserDisc (LD) format by offering smaller size, lower cost, and broader compatibility with consumer electronics. The CD quickly became a global standard for music distribution, revolutionizing how audio was recorded, stored, and consumed.
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Why Notable
The CD played a pivotal role in the **digital music revolution**, enabling mass production of audio discs at affordable prices. Its widespread adoption led to the decline of vinyl records and cassette tapes, becoming the dominant format for music until the rise of digital streaming. The technology also laid groundwork for later optical disc formats like DVDs and Blu-rays.
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In the News
While CD sales have declined due to digital streaming (e.g., Spotify, Apple Music), nostalgia and collector markets keep the format relevant today. Some niche applications persist in archival storage or specialized audio enthusiast circles. The CD remains a cultural icon, symbolizing an era of physical media dominance.
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Key Facts
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