[App_rpt-users] File Formats
Bote Man
bote_radio at botecomm.com
Tue Nov 15 16:48:13 UTC 2011
My preference is to hear a real Human voice over the sometimes curious pronunciation of the text-to-speech systems out there, unless it is necessitated by a real-time translation from such sources as a weather alert or news ticker.
I would think you could make your system sound distinctive by NOT using it, instead recording your own voice with your own "effects". I have recorded a number of prompts for Lu's systems and he seems happy with them. You can record as many takes as necessary to get it just right, then commit the prompt to the ages for all visitors to enjoy.
I agree that mu law is the best compromise of the choices of codecs offered by Asterisk. Just remember to end the resulting filename with .ul so that Asterisk knows. I wish we didn't have to strip off the extension of speech files when feeding them to Asterisk, it complicates my scripts unnecessarily.
Bote
From: app_rpt-users-bounces at ohnosec.org [mailto:app_rpt-users-bounces at ohnosec.org] On Behalf Of Robert A. Poff WB3AWJ
Sent: Tuesday, 15 November, 2011 11:25
Audacity and Cepstral will output directly to ULAW which asterisk uses.
Doing that eliminates the possibility of transcoding errors when using sox.
Using Audacity to produce some imaginative ID tracks will help your system stand out.
Examples : BELLS <http://wb3awj.hobby-site.org/xfer/W3SBA_BELLWHISTLE.wav> &WHISTLES TRANSPORT <http://wb3awj.hobby-site.org/xfer/W3SBA_TRANSPORT.wav>
By all means buy a copy of Cepstral.
For cold voice ID's, use it to generate those cuts and you maintain a "consistency of sound" image.
But even better, It's great for generating a voice track on the fly.
One example is on my repeater I have a script that runs several times a day.
It gathers solar/propagation data, compiles a report, and reads it on the air if the channel is idle.
Robert A. Poff
Loganville, PA.
WB3AWJ
Allstar 27784
"Lieutenant, target the offending power boat and launch photon torpedoes"
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