Officials at sarft didn 't return calls for comment .

国家广电总局的官员没有回复记者请求置评的电话。

It is understood that currently sarft has moved only against hunan tv .

据悉，国家广电总局目前的惩戒行动仅针对湖南卫视。

Sarft had demanded broadcasters should be led by " quality , responsibility and values " .

国家广电总局此前要求广电单位应当以质量、责任和价值观为主导。

Sarft has tried to implement limits on entertainment programming before , but the recent rules are by far the most comprehensive restrictions , analysts say .

分析人士称，广电总局此前曾试图对娱乐节目加以限制，但近期公布的规定是目前为止最全面的限制措施。

State media said sarft was punishing the broadcaster because the show had frequently over-run its time slot .

据官方媒体报道，国家广电总局处罚湖南卫视，是因为《快乐女声》这档节目经常超时。