Yeah, I’ve noticed all MPEG-4 channels have noticeably lower volumes than MPEG-2 channels on my TVs
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I too have noticed. Its so annoying. On my TV for example, you can have Nine at a reasonable volume at 20, but on 9HD I have to turn the volume up to over 40 for the same loudness!
However on our home theater, all of the HD channels are noticeably louder than the SD channels
The HD channels use AC3 - a wider dynamic range sound system compared to MPEG2 channels. This allows for very loud sounds but means average volume is lower.
Many TVs allow for adjustment of the default sound level for each channel so you can set them all the same.
Edit: You can also adjust the default output for all channels from Dolby Digital or AC3 to MPEG2 in the setup of your TV (with reduced sound clarity) so the level of all will be the same.
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Merry Christmas from Aunty.
I put on ABC HD this morning, not sure if the show was Australian Story or One Plus One but the picture looked very soft and didn’t look HD at all. Looked like soft SD. The ABCHD logo was there though.
Maybe they are just only showing some programs in HD. i understand that it will fully launch on december 31st from the new years eve? I don’t expect to see any more full HD content until then.
The watermark as well as the clock during ABC Breakfast is in HD now. So baby steps they are moving forward.
I can’t see any techonological reasons they couldn’t have just launched in HD straight away.
When did 7HD start broadcasting in Brisbane?
Last Friday. Apparently a temporary broadcast for Summer.
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Thanks. Totally missed it starting
Don’t worry you ain’t missing much. 
Looks like HD comes alive on ABC during the evenings most nights that I noticed. Was watching Would I lie to you? (UK game show) and it definetly looked HD to me.
wow DirceTV in America already has 3 4K channels & here we are in Australia just getting our act together with HD channels…were a joke.
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Foxtel, the Australian comparison to DirecTV you should be using, has been doing MPEG-4 HD since 2008. Hardly ‘just getting their act together’. They’ll more than likely be the first to start linear 4K broadcasting, but considering Foxtel caters only to Australia (~15% of the US population) I can’t see them being in any hurry.
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Not to mention they’re a virtual monopoly and pay TV uptake in Australia is very low compared to America.
4K will be a standard presentation format on the internet in half a decade.
Last night 7.30 had the “ABC HD” watermark, but no way was it in HD. They should save the watermark for genuine HD programs.
Except here of course, with our watered down NBN service.
I was talking about Free to Air not Foxtel but yes I new that about Foxtel.
Were just so far behind the world with everything its annoying.