![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlrtWnHmbd6XCFSR-UCzQfxUDO9rgXVY6fYHRShY6t9R9whBY1hwzK2RJcNqYtQBa5oo_c__kzYHdLueaF_ZvvNKcBb9Fjt174tz_iCptVaQ0SWJkEJlJLkfW9EV1j0yXMcN0_psW_iJZO-348/s400/cd.jpg)
Development of the Compact Disk to replace vinyl records began in the 1970s with Royal Philips Electronics of the Netherlands and Sony Corporation of Japan. Philips produced the optical storage technologies, while Sony pioneered error correction circuitry.
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