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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 1:14 pm 
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Joined: Wed Nov 19, 2008 7:44 pm
Posts: 1169
Location: Bulgaria
Very easy

Just use your normal soundcard for FM output and disable the pilot signal , RDS signal . Leave only the Emphasis ON . And put 10 kOms per transmitter at every input . That will ensure not to load your sound card very HARD. In this way every transmitter will have the same signal . Is that what you want ?


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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 2:12 pm 
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Joined: Thu Oct 25, 2012 3:22 pm
Posts: 237
Location: Poland
Quote:
Very easy

Just use your normal soundcard for FM output and disable the pilot signal , RDS signal . Leave only the Emphasis ON . And put 10 kOms per transmitter at every input . That will ensure not to load your sound card very HARD. In this way every transmitter will have the same signal . Is that what you want ?
Not like that, send to stream for few transmitters LR preemphasised audio with ST stand alone.

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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 3:48 pm 
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Joined: Wed Nov 19, 2008 7:44 pm
Posts: 1169
Location: Bulgaria
I`m not sure what you exactly mean .. Stream to send to transmitter .. little confused


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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 7:22 pm 
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Joined: Thu Oct 25, 2012 3:22 pm
Posts: 237
Location: Poland
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I`m not sure what you exactly mean .. Stream to send to transmitter .. little confused
It's easy you have one processor in studio and stream processed preemphasised audio (not composite) for all transmitters, many stations with bigger coverage do like that.

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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 8:52 pm 
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Joined: Tue Mar 17, 2009 2:56 pm
Posts: 4229
Simple..
- Use FM output
- 44.1 or 48kHz sample rate
- In FM section Enable: Pre-emphasis, Pre-Emphasized Output,
- Disable: Encode Stereo, Encode RDS
- Set 50 ot 75us

Since it's for streaming i recommend maximum quality possible (like lame 48kHz 320kbps) and peek level not more then -6dB
Still way better to have ST at Transmitter site and use FM out. You realize that you are avoiding awesome FM clipper in ST like that?
Quote:
Many stations with bigger coverage do like that.
Many stations does not know what they are doing.


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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 9:13 pm 
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Joined: Wed Nov 19, 2008 7:44 pm
Posts: 1169
Location: Bulgaria
Yes , i already tell this to him

but i don`t know if he wants to make a preemphasised stream and connect to it from different places.
It`s true for the awsome clipper . But he decides this- to clipper or not to clipper :)


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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 10:04 pm 
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Joined: Thu Oct 25, 2012 3:22 pm
Posts: 237
Location: Poland
Quote:
Simple..
- Use FM output
- 44.1 or 48kHz sample rate
- In FM section Enable: Pre-emphasis, Pre-Emphasized Output,
- Disable: Encode Stereo, Encode RDS
- Set 50 ot 75us

Since it's for streaming i recommend maximum quality possible (like lame 48kHz 320kbps) and peek level not more then -6dB
Still way better to have ST at Transmitter site and use FM out. You realize that you are avoiding awesome FM clipper in ST like that?
FM out have 4x input sample rate.

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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 10:10 pm 
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Joined: Tue Mar 17, 2009 2:56 pm
Posts: 4229
Quote:
FM out have 4x input sample rate.
Now I don't understand (?)
Did you tried what I wrote?


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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 10:16 pm 
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Joined: Thu Oct 25, 2012 3:22 pm
Posts: 237
Location: Poland
Quote:
Quote:
FM out have 4x input sample rate.
Now I don't understand (?)
Did you try what wrote?
I know how it works but I just can't use x4 samplerate out.
Ok never mind.

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 Post subject: Re: Stereo Tool 7.41
PostPosted: Sat Apr 26, 2014 11:25 pm 

Joined: Wed Dec 19, 2012 8:19 am
Posts: 140
Quote:
Quote:
I`m not sure what you exactly mean .. Stream to send to transmitter .. little confused
It's easy you have one processor in studio and stream processed preemphasised audio (not composite) for all transmitters, many stations with bigger coverage do like that.

you mean like audiotx (software) barix in-exstreamer (hardware) deva also and many more.. do you mean this?

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