Australian broadcast television is sitting on a demographic time bomb as it continues to lose young viewers at an accelerating rate.

Freeview is set to release its TV streaming app in November, giving users access to over 15 free-to-air channels on their mobile devices. Here's what you need to know.

Dear Lifehacker, My digital TV signal works fine most of the time. However, it conks out between 8am and 5pm during particular months of the year. What gives?

Yesterday, Channel 7's new free-to-air TV channel, 7flix, went on air in Australian metro areas. The channel focuses on general entertainment, kids shows and movies -- with a film screening at 8:30pm every night of the week. Here's how to get the new channel on your TV.

Dear Lifehacker, Is there any chance I'll get to watch State Of Origin live in HD on my TV this year?

The Xbox One's premium TV features have finally launched down under. From today, Australian Xbox One owners can access a public preview of OneGuide -- a catch-all entertainment menu that negates the need for a set top box or universal remote. The catch is that you'll need to purchase a $39.95 digital tuner to access Live TV functionality. Bah humbug.

Hi Lifehacker, My TV works fine except for Channel 7 -- the signal quality can drop for no apparent reason from 10 to 5 or even 3. This can happen at any time during the day but is most prevalent at night after 5pm. It's been a real problem ever since we went digital. Any suggestions?

Today is "retuning day" for digital TV in Sydney -- the digital spectrum is being reallocated to more efficiently use available frequencies. Retuning your set isn't a big deal, but here's what to do if you're unsure.

According to online reports, the ABC will be bringing its popular iView catch-up service to Android devices in December to coincide with an extensive software update. There are also plans afoot to make the entire ABC Archive available to download.

SBS's popular TV on-demand app is now available on Android, but there's a slight catch: for the time being, it can only be downloaded from the Samsung Apps store which means you'll need a Samsung device to get your hands on it.

Dear Lifehacker, Looking at the TV guide, I see that once again there is no high-definition (HD) broadcast for the State of Origin on Channel Nine. I will again have no other option but to watch a standard definition (SD) presentation of the game on my HD-ready plasma TV. What I can't understand is why?

Dear LH, I live in Bayside, Melbourne about 18kms from the city. During daylight hours our TV signal is flawless, but as soon as the sun goes down it breaks up considerably. Any ideas? Thanks, Signal Free

Dear Lifehacker, A few years ago most of the free-to-air TV channels had HD equivalents. Why, with the prevalence of large HD-capable TVs, don't these HD channels exist anymore? Thanks, Definition Diva

Australian content quotas are designed to ensure that our TV screens aren't entirely filled with overseas imports and repeats. In the last year, the major commercial networks met their targets -- but in some cases only because they're also allowed to utilise shows from New Zealand and Australian movies to make up the numbers.

We've long known that analogue television broadcasts were due to end in December 2013, but now we have an actual date. December 10, 2013 will see analogue services switched off in Melbourne -- the last region to officially make the switch to digital.

TV ratings may be a fraction of what they were two decades ago, but we still love buying televisions. Right now, there are 18.7 million functional TV sets in Australia.

We already knew that Foxtel was planning eight Olympics-only channels and that Nine will offer HD simulcasts of its broadcasts for the London 2012 Olympics. While Foxtel has previously charged extra for its souped-up sporting broadcasts, the London option will be free to customers who already have a sports package with the pay TV broadcaster.

The lack of HD sports broadcasts echoes constantly through the chambers of Lifehacker's comments. So it's great to hear that Nine is planning to simulcast more than 300 hours worth of Olympics on GEM, its current HD channel, as well as its standard SD offering.

Since last July, the ACCC has being weighing up whether Foxtel acquiring Austar would be anti-competitive, a question in which the likely future of the NBN plays a crucial role. An issues paper issued today suggests the ACCC might approve the merger, but only if Foxtel ensures that some of the content it acquires is also made available to rival IPTV providers such as FetchTV.