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Phase I Vs. Phase II audio?

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SCPD

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Does (on the actually user of the radio side) Phase I and Phase II sound different? I mean, if side by side with your eyes closed could you tell the difference between the two, or is audio quality pretty similar? Thanks.
 

mikewazowski

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It's way different. Sounds much more nasally and you can easily tell it's compressed much more than Phase I. If you've ever listened to DMR, you'll notice it sounds very similar.

These are my observations using a set of APX radios.
 

mharris

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It's way different. Sounds much more nasally and you can easily tell it's compressed much more than Phase I. If you've ever listened to DMR, you'll notice it sounds very similar.

These are my observations using a set of APX radios.
I'm sad to hear that. I use DMR in my Amateur Radio hobby and I think it sounds quite bad:(
 

SCPD

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digital

I'm sad to hear that. I use DMR in my Amateur Radio hobby and I think it sounds quite bad:(


To me analog is best and phase 1 p25 is decent usually.
phase 2 ,dstar and all the newer digital formats all sound compressed to the point you have to grin and bear it.Maybe thats to deter listening.LOL!
 

mikewazowski

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Don't get me started on the train wreck that is the DMR-MARC network. I've grown so tired of riding the volume knob on my radio that I've stopped listening to most of the wide area groups. But, that's off topic for this discussion.

When I first heard Phase II audio, I thought it would just take time for my ears to adjust. Sadly I've found the audio just as bad as when I first heard it. I assumed that non-critical communications would use it which would free up more frequencies for critical communications. Unfortunately, I see a lot of agencies deploying it for everything. Hopefully these agencies have set aside proper fireground/critical incident frequencies for when needed.
 

PhillyPhoto

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It's way different. Sounds much more nasally and you can easily tell it's compressed much more than Phase I.

Never thought of thinking about it as "nasally", but that's pretty accurate. To me it's sounds more "bassy" in pretty much the same way Phase 1 is to analog. You can definitely tell a difference though.
 
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