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HD Radio Sync

The technical side of broadcasting. Think IBOC is a sham? Talk about it here! How about HDTV? Post DX reports here as well.
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WOHO
Posts: 311
Joined: Thu Dec 16, 2004 12:05 am
Location: Cumulus has killed 1470 KHz

HD Radio Sync

Post by WOHO » Sun Dec 08, 2019 6:26 pm

Drove through Downriver Friday night playing around to see how long, if at all, I could hold HD lock on the FM's (as even WWJ couldn't stay locked, or SuperStation 910 either). Anyhow, Christmas music on WDZH, when it went from analog to HD1 you heard the same last 5 seconds again- real good sync there boys. Do they have an engineer that can adjust that, or don't they care?



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Ed Joseph
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Joined: Sat Sep 10, 2005 9:27 pm

Re: HD Radio Sync

Post by Ed Joseph » Sun Dec 08, 2019 6:28 pm

If they do have an engineer, he probably doesn't care...


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audiophile
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Joined: Sat Dec 04, 2004 9:21 pm
Location: Between 88 and 108 MHz.

Re: HD Radio Sync

Post by audiophile » Mon Dec 09, 2019 6:28 am

LOL, that's bad engineering. The engineer either never listens nor has a HD radio. There is an time alignment adjustment in the transmitter or audio processor for that. Innovonics even makes a box to automatic sync the two, even though I have not tried it, because you can usually set it a fixed amount.

https://support.nautel.com › content › user_files › sites › 2018/07 › Time-Level-Alignment-NUG-2016.pdf


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