# Seven On-Air Presentation

**URL:** <https://forums.mediaspy.org/t/seven-on-air-presentation/309>\
**Category:** Seven Network\
**Created:** [December 28, 2015, 8:22am UTC](https://forums.mediaspy.org/t/seven-on-air-presentation/309 "2015-12-28T08:22:12Z")\
**Posts on this page:** 1\
**Showing post:** 2964

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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/seven-on-air-presentation/309/2964 "2025-04-28T14:07:56Z")

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Discuss:

> [@Digital TV Technical Discussion](https://forums.mediaspy.org/t/digital-tv-technical-discussion/273/3187):
>
> [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 M…

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