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MediaPortal 1
Support
General Support
No audio when changing channel from SD to HD
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<blockquote data-quote="jba-mp" data-source="post: 374254" data-attributes="member: 84906"><p><strong>TV-Server Version</strong>: 1</p><p><strong>MediaPortal Version</strong>: 1</p><p><strong>MediaPortal Skin</strong>: </p><p><strong>Windows Version</strong>: Vista SP1</p><p><strong>CPU Type</strong>: Dual Core 2 GHz</p><p><strong>HDD</strong>: 1TB</p><p><strong>Memory</strong>: 2 Gig DDR</p><p><strong>Motherboard</strong>: Gigabyte all-in-one lan/audio</p><p><strong>Video Card</strong>: Geforce 8600GS</p><p><strong>Video Card Driver</strong>: </p><p><strong>Sound Card</strong>: Onboard digital audio</p><p><strong>Sound Card AC3</strong>: coaxial out</p><p><strong>Sound Card Driver</strong>: </p><p><strong>1. TV Card</strong>: Twinhan 3028 PCI DVB-T (mantis driver)</p><p><strong>1. TV Card Type</strong>: DVB-T</p><p><strong>1. TV Card Driver</strong>: mantis bda driver</p><p><strong>2. TV Card</strong>: Twinhan 3028 PCI DVB-T (mantis driver)</p><p><strong>2. TV Card Type</strong>: DVB-T</p><p><strong>2. TV Card Driver</strong>: mantis bda driver</p><p><strong>3. TV Card</strong>: </p><p><strong>3. TV Card Type</strong>: </p><p><strong>3. TV Card Driver</strong>: </p><p><strong>4. TV Card</strong>: </p><p><strong>4. TV Card Type</strong>: </p><p><strong>4. TV Card Driver</strong>: </p><p><strong>MPEG2 Video Codec</strong>: default</p><p><strong>MPEG2 Audio Codec</strong>: default</p><p><strong>h.264 Video Codec</strong>: ffdshow</p><p><strong>Satelite/CableTV Provider</strong>: </p><p><strong>HTPC Case</strong>: silverstone</p><p><strong>Cooling</strong>: </p><p><strong>Power Supply</strong>: </p><p><strong>Remote</strong>: HP MS Media Center Remote</p><p><strong>TV</strong>: </p><p><strong>TV - HTPC Connection</strong>: HDMI</p><p></p><p>Hey guys, I have noticed a 100% reproducable apparent bug in MediaPortal Live TV playback when used to play back Australian FTA DVB-T signals.</p><p></p><p>Before I start I should note that the HD channels in Australia don't seem to be h.264 but rather an MPEG stream with DOLBY audio (on some shows that's DOLBY 5.1).</p><p></p><p>The issue: When changing channel from SD digital channel to HD digital channel with Dolby 5.1 audio on it I get lost audio.</p><p></p><p>Steps to reproduce:</p><p>1. Set up media portal using all default options for the above hardware setup</p><p>2. Configure digital audio out (coax) for all windows audio out. </p><p>3. Connect digital audio out to a surround sound system that can detect the difference between a pcm stream or a dolby 5.1 streem</p><p>4. Start up Live Tv and watch an SD channel, with pcm audio working fine</p><p>5. Using the channel up (or down) control on the remote, change to a HD channel</p><p>6. Observe no audio</p><p></p><p>Steps to work around.</p><p>7. Stop the playback</p><p>8. Go to the home screen</p><p>9. Bring up the tv guide</p><p>10. Select the HD channel with the 5.1 audio stream</p><p>11. Observe the channel start up and send the 5.1 audio stream to the surround system</p><p>12. Observe you have audio</p><p></p><p>Thanks to some help from seco on IRC I found a workaround to my issue by using AC3Filter as my audio decoder for tv/videos and dvd.</p></blockquote><p></p>
[QUOTE="jba-mp, post: 374254, member: 84906"] [b]TV-Server Version[/b]: 1 [b]MediaPortal Version[/b]: 1 [b]MediaPortal Skin[/b]: [b]Windows Version[/b]: Vista SP1 [b]CPU Type[/b]: Dual Core 2 GHz [b]HDD[/b]: 1TB [b]Memory[/b]: 2 Gig DDR [b]Motherboard[/b]: Gigabyte all-in-one lan/audio [b]Video Card[/b]: Geforce 8600GS [b]Video Card Driver[/b]: [b]Sound Card[/b]: Onboard digital audio [b]Sound Card AC3[/b]: coaxial out [b]Sound Card Driver[/b]: [b]1. TV Card[/b]: Twinhan 3028 PCI DVB-T (mantis driver) [b]1. TV Card Type[/b]: DVB-T [b]1. TV Card Driver[/b]: mantis bda driver [b]2. TV Card[/b]: Twinhan 3028 PCI DVB-T (mantis driver) [b]2. TV Card Type[/b]: DVB-T [b]2. TV Card Driver[/b]: mantis bda driver [b]3. TV Card[/b]: [b]3. TV Card Type[/b]: [b]3. TV Card Driver[/b]: [b]4. TV Card[/b]: [b]4. TV Card Type[/b]: [b]4. TV Card Driver[/b]: [b]MPEG2 Video Codec[/b]: default [b]MPEG2 Audio Codec[/b]: default [b]h.264 Video Codec[/b]: ffdshow [b]Satelite/CableTV Provider[/b]: [b]HTPC Case[/b]: silverstone [b]Cooling[/b]: [b]Power Supply[/b]: [b]Remote[/b]: HP MS Media Center Remote [b]TV[/b]: [b]TV - HTPC Connection[/b]: HDMI Hey guys, I have noticed a 100% reproducable apparent bug in MediaPortal Live TV playback when used to play back Australian FTA DVB-T signals. Before I start I should note that the HD channels in Australia don't seem to be h.264 but rather an MPEG stream with DOLBY audio (on some shows that's DOLBY 5.1). The issue: When changing channel from SD digital channel to HD digital channel with Dolby 5.1 audio on it I get lost audio. Steps to reproduce: 1. Set up media portal using all default options for the above hardware setup 2. Configure digital audio out (coax) for all windows audio out. 3. Connect digital audio out to a surround sound system that can detect the difference between a pcm stream or a dolby 5.1 streem 4. Start up Live Tv and watch an SD channel, with pcm audio working fine 5. Using the channel up (or down) control on the remote, change to a HD channel 6. Observe no audio Steps to work around. 7. Stop the playback 8. Go to the home screen 9. Bring up the tv guide 10. Select the HD channel with the 5.1 audio stream 11. Observe the channel start up and send the 5.1 audio stream to the surround system 12. Observe you have audio Thanks to some help from seco on IRC I found a workaround to my issue by using AC3Filter as my audio decoder for tv/videos and dvd. [/QUOTE]
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No audio when changing channel from SD to HD
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