Most modern keyboards these days enable you to record directly to WAV or MP3, but if you have an older keyboard or organ you will have to find another way of getting an Audio recording to post in the Forum. The usual way is to have Audacity installed on a computer or laptop and to use an Audio Interface to get a STEREO input into Audacity via a USB Port. On my AR80 organ I have the Behringer UCA202 to do this. But for some, it may be easier to record directly as MP3 to a 'stand alone' device.
Remember the 'stand alone' MP3 recorder we used to have many years ago? The ENCODER-DECODER. Did the job, but unfortunately had no means of controlling the INPUT VOLUME, so direct recordings from a LINE OUT often ended up in the RED and were clipped. Recording from a headphone socket was fine as the volume to this can be controlled, and the device did have a headphone socket to monitor what you were recording. This device has been discussed here:
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http://www.tierce-de-picardie.co.uk/viewtopic.php?f=200&t=5435&p=36097#p36098
Unfortunately, this device disappeared from the market several years ago.
Rob Owen (Bobbo) has found a similar device for recording directly from his Technics KN5000 keyboard to MP3 on a Memory Stick. It's called the Music Digitizer, and it looks like this:
He has found this on Amazon, and it is described as:
Audio Capture Cassette CD MP3 Recorder Converter with 3.5mm & RCA IN Ports, Remote Controlled Music Digitizer
You can see the device and read the information about it by clicking this LINK. Do a right-click to open it up in a New Tab.
https://www.amazon.co.uk/Cassette-Recorder-Converter-Controlled-Digitizer/dp/B06XBWQ151/ref=sr_1_3?dchild=1&keywords=mp3+converter&qid=1613759487&sr=8-3
What You Get: 1 x Music digitizer recorder, 1 x USB power cable, 1 x 3.5mm audio cable, 1 x Remote control, 1 x English user manual, 30-day money back & 1-year warranty guarantee, and 7 days a week friendly customer service.
The device records MP3 at 128kbps MP3 which is the standard for listening on the internet. It is not meant to be a 'quality' recording device for musicians.
If you want to hear how Rob's recording from his Technics KN5000 turned out, then click this LINK below.
Do a right-click to open it up in a New Tab.
https://app.box.com/s/qrr7idvcjr0s1padncivpfwd7xo2y4jq
The only thing we did find about Rob's MP3 recording was that it wouldn't load into Audacity so his recording could be NORMALIZED and some 'silence' removed from the beginning. This was overcome by putting the MP3 into SWITCH (a Program by NCH Software) and SAVING it as MP3. This 'converted' mp3 file loaded into Audacity quite happily.
In the 'blurb' it says the recording is "Dual-Mono". I had understood that to mean that the recording is on both left and right Channels, but is not in stereo. The waveform for Rob's recording is below, and looking at the green bars .. and the recording in the left and right channels .. it certainly looks like STEREO to me!
And listening to it you can hear quite clearly that this is a STEREO recording.
I asked Rob how he powered his Music Digitizer, and he said he uses a mains plug with USB output that connects to the Digitizer. He got this from Amazon too.
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https://www.amazon.co.uk/Universal-ameego-Charger-Approved-Compatible/dp/B07YRRFNSV/ref=sr_1_fkmr0_1?dchild=1&keywords=USB+Universal+ameego+UK+Mains+Charger+1000+mAh+CE+Approved+Adapter+Cable+Compatible+with+Mobile+Phones+iPhone+5+6+7+8+X+iPod%2FSamsung+Galaxy+S2+3.4+S5+S6+S7+S8+S9%2FSmart+phones%2FMedia+devices+%28blue%29+https%3A%2F%2Fwww.amazon.co.uk%2Fdp%2FB07RSR21J3%2Fref%3Dcm_sw_r_em_apa_fabc_SE2GDVRMC3JW06PGJC2Z%3F_encoding%3DUTF8%26psc%3D1&qid=1613853511&sr=8-1-fkmr0
Hugh