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Author Topic: Software to quickly "rewind" audio to hear callsigns?  (Read 22346 times)
K5TED
Member

Posts: 103




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« Reply #15 on: February 14, 2016, 07:12:36 AM »

Thanks Rob.

I toying with the idea of releasing the entire SD card image from my Dropbox. 2GB. It takes about 15 minutes to download with my 20 Mbps Internet.

That's the app plus the Linux distribution. It's too tedious to write up all the instructions.

I wonder if that would be workable. I've not heard of that being done.

Bob
wm6h


This is good. Have you posted the image?
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WM6H
Member

Posts: 22




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« Reply #16 on: February 14, 2016, 07:52:23 AM »

Thanks,
I wrote up the project and submitted it to be published. I'll update this thread if it is. That will have all the details.
The problem is that the $5 Raspberry Pi Zero is not available anywhere. I don't think they can make any profit. The postage is more than the computer.
I wrote up the article on the Raspberry Pi 2, which is more expensive.
But, the good news, I got a USB sound card that works for--$1.84 !!! With free postage, from Amazon.

Bob
wm6h
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WM6H
Member

Posts: 22




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« Reply #17 on: September 12, 2016, 05:59:07 AM »

Just to update, an article inspired by this post appears on p. 36 of the Oct. 2016 issue of QST

Uses a Raspberry Pi instead of Windows but similar.

Bob
wm6h
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W8JX
Member

Posts: 12095




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« Reply #18 on: September 12, 2016, 08:22:53 AM »

Win 10 has a built in voice recorder. 
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--------------------------------------
Ham since 1969....  Old School 20wpm REAL Extra Class..
K5TED
Member

Posts: 103




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« Reply #19 on: September 13, 2016, 08:27:23 PM »

Not really comprehending how $30 is a make or break spend for something that performs a desired useful function.

How do these people afford to drive cars, eat food or have ham radio as a hobby?

Then someone suggests $35 + LOTS of time wasted configuring a RPi and configuring software and connections as a viable option for an entirely separate standalone device to do what a simple piece of software on the main shack PC can do handily.

These folks not only don't see the forest for the trees, but after leveling the trees for clarity, still trip over the stumps on the way through.

Believe it or not, software DOES have a value in some instances. Some intrepid, knowledgeable person spent considerable time performing functions and skills to craft a piece of software that actually performs a function needed for hobby purposes. Why is it assumed this MUST be free of charge?

What have you done for ham radio lately for free?

« Last Edit: September 13, 2016, 08:44:06 PM by K5TED » Logged
N3DT
Member

Posts: 1273




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« Reply #20 on: September 18, 2016, 12:31:41 PM »

Yeah, this one reminds me of this article in QST a while ago about a ham using a magnet and some large convoluted circuit to turn on power to a radio that was in a public space - for security. I wrote in and said they could do the same thing with a .50ยข prox switch and a $1.50 headlamp relay. They didn't want to hear it.

I wonder about QST sometimes, but I support them because we probably wouldn't have the privileges we do without the ARRL. But some of the tech articles are way out there and I haven't seen anything I've used for 10 years or more. But then everything is going computer now anyhow. If the SDR radios didn't change so much and were more reasonably priced, I'd go there, but I doubt if I'll ever get there.
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KI7AQJ
Member

Posts: 37




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« Reply #21 on: October 22, 2016, 06:50:48 AM »

Audacity! IT'S FREE. You can even tweak it some to make it slower, change the pitch, adjust playback phasing, etc. Slowing it down, and changing the pitch is fast and easy.
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