Multitone video intercom device sharing audio signal's communication system
The utility model provides a multitone video intercom device sharing audio signal's communication system belongs to the communications field. The utility model discloses a communication system can include a N audio frequency and video intercom device, has audio signal interface identical more t...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a multitone video intercom device sharing audio signal's communication system belongs to the communications field. The utility model discloses a communication system can include a N audio frequency and video intercom device, has audio signal interface identical more than two or two on every audio frequency and video intercom device, and a N audio frequency and video intercom device through the two double -phase companies audio signal interface, connects with an audio frequency cable between all audio frequency and video intercom device respectively, and all audio frequency and video intercom device can be through one of them audio frequency and video intercom device's communication link and other intercom device 0 communication. The beneficial effects of the utility model are that: effectively realize the signal interconnection and the sharing of many sound video conferencing equipment rooms, the loudspeaker and the microphone of different equipment can not form the sound feedback r |
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