QUALITY-DEGRADATION NOTIFICATION SYSTEM

摘要

The disclosed quality-degradation notification system is provided with a home gateway device (3) and a video reception terminal (5). The home gateway device (3) has: a quality-information generation unit (34) that generates information regarding communication quality in an external network (2); and a quality-information transmission unit (35) that outputs the external-network quality information generated by the quality-information generation unit (34). The video reception terminal (5) has: a quality-information reception unit (54) that receives the external-network quality information outputted by the quality-information transmission unit (35); a quality-information generation unit (55) that generates information regarding communication quality in a home network (4); a quality-information determination unit (56) that refers to the external-network quality information received by the quality-information reception unit (54) and the internal-network quality information generated by the quality information generation unit (55), determines whether quality has degraded, and if so, identifies where quality has degraded; and a quality-information display unit (57) that delivers a notification as to whether and where quality has degraded.