# Digital TV Technical Discussion

**URL:** <https://forums.mediaspy.org/t/digital-tv-technical-discussion/273>\
**Category:** General Television Topics\
**Created:** [December 28, 2015, 8:05am UTC](https://forums.mediaspy.org/t/digital-tv-technical-discussion/273 "2015-12-28T08:05:42Z")\
**Posts on this page:** 1\
**Showing post:** 3187

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**Author:** ![TV.Cynic](https://forums.mediaspy.org/user_avatar/forums.mediaspy.org/tv.cynic/32/316932_2.png) [@TV.Cynic](https://forums.mediaspy.org/u/TV.Cynic)\
**Post date:** [April 28, 2025, 2:07pm UTC](https://forums.mediaspy.org/t/digital-tv-technical-discussion/273/3187 "2025-04-28T14:07:34Z")

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#### [Broadcast Channel Changes Perth](https://transmission.seven.com.au/hc/en-au/articles/35885921036685-Broadcast-Channel-Changes-Perth)

> **Channel changes**
> 
> Seven is upgrading broadcast technology across Australia and on **April 30th 2025** there will be changes in Perth. These changes may require that your TV is re-tuned to reflect those updates.  
> Part of these changes is the removal of MPEG2 technology to be replaced with MPEG4.  
> MPEG4 enables broadcasters to improve the quality of the services they deliver to meet consumer demand.
> 
> The changes are as follows:
> 
> - Channel 7 will be converting to HD (in MPEG4)
> - Channel 70 and 71 will also be HD (in MPEG4)
> - 7two will become HD in MPEG4

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