Power line transmission digital multiple track speaker system
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 雅迪发展有限公司
- Publication Date
- 2004-12-29
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a sound box system, in particular to a power line transmission digital multi-channel sound box system. It belongs to the technical field of audio electronic products. Background technique
[0002] Transmitting sound signals over power lines has been used for decades in applications such as baby monitors and light controls. Recently, FM stereo transmission and reception can also be transmitted through power lines. However, most of the power line transmissions in the prior art are direct audio transmissions. Compared with digital audio, the sound quality of this audio direct transmission is still far from the professional requirements. Although some people try to add digital signals to the power supply for online transmission, these transmission devices are complex in structure and expensive, and are not suitable for popularization and application, especially not suitable for popularization and application in families. Conten...