hi can anyone at what hifi help. ive got a pioneer lx71 connected to a yamaha rx v1900 by hdmi. when im playing bluray discs with dts master audio on them the yamahas panel is saying it is dts master audio but when i check the bitrate on the pioneer its only showing 1.5 as apposed to when im playing dolby true hd or pcm it shows 4.6 is something wrong