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Weird problem with UK DVB-T independent radio channels
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<blockquote data-quote="CyberSimian" data-source="post: 1303851" data-attributes="member: 141969"><p>Well done for finding that article <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite24" alt="(y)" title="Thumbs Up (y)" loading="lazy" data-shortname="(y)" /> . I had searched previously but had not found anything relevant. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>That web site has <a href="https://rxtvinfo.com/2025/freeview-technical-upgrade-could-make-older-screens-go-blank/" target="_blank">this article</a> that describes the changes in more detail. If I have understood it correctly, the Arqiva MUXes are now using the DVB-T2 method of encoding video and audio for some channels (MPEG-4 for video, and HE-AAC for audio). The test for this is TV channel 71. If you can receive this channel (video and audio), your device is compatible. My 10-year old Sony TV <em>can</em> receive this channel. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>TV Server is slightly odd, in that it <em>can</em> receive TV channel 71, but cannot receive the independent radio channels, which (presumably) are also now encoded using HE-AAC. TV Server has the necessary decoding logic for HE-AAC somewhere in its innards, but it is not expecting radio channels in a DVB-T1 MUX to be using it. In contrast, TV Server can handle a TV channel that is using DVB-T2 encoding in a DVB-T1 MUX. Hmm.</p><p></p><p>The fix <em>might</em> be quite small, but I am not sure whether there is anyone in the development team who can make the necessary changes. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite26" alt=":unsure:" title="Unsure :unsure:" loading="lazy" data-shortname=":unsure:" /></p><p></p><p>-- from CyberSimian in the UK</p></blockquote><p></p>
[QUOTE="CyberSimian, post: 1303851, member: 141969"] Well done for finding that article (y) . I had searched previously but had not found anything relevant. :( That web site has [URL='https://rxtvinfo.com/2025/freeview-technical-upgrade-could-make-older-screens-go-blank/']this article[/URL] that describes the changes in more detail. If I have understood it correctly, the Arqiva MUXes are now using the DVB-T2 method of encoding video and audio for some channels (MPEG-4 for video, and HE-AAC for audio). The test for this is TV channel 71. If you can receive this channel (video and audio), your device is compatible. My 10-year old Sony TV [I]can[/I] receive this channel. :) TV Server is slightly odd, in that it [I]can[/I] receive TV channel 71, but cannot receive the independent radio channels, which (presumably) are also now encoded using HE-AAC. TV Server has the necessary decoding logic for HE-AAC somewhere in its innards, but it is not expecting radio channels in a DVB-T1 MUX to be using it. In contrast, TV Server can handle a TV channel that is using DVB-T2 encoding in a DVB-T1 MUX. Hmm. The fix [I]might[/I] be quite small, but I am not sure whether there is anyone in the development team who can make the necessary changes. :unsure: -- from CyberSimian in the UK [/QUOTE]
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