从源头规范有线数字电视各频道音量电平

Standardizing Cable DTV's Channel Volume Level from the Source

本文提出采用统一标准,规范播控系统音频电平,从播出源头保障数字有线电视各频道音量一致,能有效降低数字有线电视前端系统复杂度,节省投资,提高可靠性,具体方法简单可行。

After CATV digitalization,channel volume level's non-equivalence becomes a big problem.Many cable network operators have got various methods to resolve it with no-good results.The paper puts forward a unity specif ication to standardize audio level of broadcasting system to keep unanimous volume level of various channel from the source.In this way,complexity of the head end system in cable DTV will lower.The results are less investment and higher reliability.This event has realistic signifi cance and can open up one's train of thought.