General > General Technical Chat
Recording external audio source to laptop (or anything)
Whales:
> yet Smartmontools says it is healthy?
No, SMART is very poor (ie useless) at saying a disk is healthy. Really the only useful thing it can tell you is you are already encountering failure. More info can be worked out from the individual reported numbers, but that typically requires research into your particular drive model (as they all treat the stats slightly differently).
In scientific terms: SMART has a low false positive rate when saying "disk is dead", but a high false negative rate when saying "disk is not dead", assuming the question is "has disk failed".
Raw formats like WAV are indeed useful at times like this :)
alsetalokin4017:
--- Quote from: jfiresto on July 30, 2020, 08:15:44 am ---
--- Quote from: edy on July 30, 2020, 03:42:40 am ---... Does anyone have a suggestion or idea that may be up to the task? Do I need to go out and buy some kind of digital recorder, or some kind of USB audio capture card? I'm using Linux on my laptop so getting a USB audio capture device that works on Linux may be difficult....
--- End quote ---
At the moment, I am using an Alesis Multimix 4 compact USB studio mixer to record long term audio in .ogg files on a Raspberry Pi 4:
--- Code: ---args = """sox -d -q -V0 -C 2 -c 1 -r 22050 --buffer 131072
""".split() + [get_filename()]
--- End code ---
Is that close enough? It was plug and play and has proven quite adaptable.
--- End quote ---
I also am using the Alesis multimix 4 fx/usb with Ubuntu Linux, and also use a Tascam field recorder. Both connect via USB to the Linux audio system automagically, no extra drivers or messing around needed. Both work on a Thinkpad t430 and the desktop. The usb audio is "class compliant" so should be plug-and-play in just about any linux or windows environment. I'm no command-line whiz so I'm glad it works in Audacity, in both Linux and Windwoes 7.
Messtechniker:
--- Quote from: edy on July 30, 2020, 07:00:28 am --- It's all there but somehow the top layer of the tape is disintegrating or losing iron oxide!
--- End quote ---
Old problem. Carefully bake the tape at an elevated
temperature of around 50 deg C for several hours.
Then you may have the chance of copying in one go once.
For details on this see:
https://en.wikipedia.org/wiki/Sticky-shed_syndrome
jfiresto:
--- Quote from: alsetalokin4017 on July 31, 2020, 04:26:29 am ---... I also am using the Alesis multimix 4 fx/usb with Ubuntu Linux, ... via USB to the Linux audio system automagically.... I'm no command-line whiz so I'm glad it works in Audacity, in both Linux and Windwoes 7.
--- End quote ---
It also just works with OSX.
Syntax Error:
I picked up a cheap used Dazzle VHS to DVD converter box on ebay.
The audio only record part works just fine. I can edit and convert to all kinds of formats.
Also, for audio(and video) format conversions, it's worth checking out the FFMPEG utility for Linux.
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