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1
Is it DPI aware? That may be the issue they're experiencing.
2
Not if its too old to update.  :)  I hate the idea of throwing away an old phone even of the android 2.3 era that can still work as a media player for mere audio which is not real demanding.  Think of them more as beaters and loaners, or I can just leave one in each car... (i like having a backup 911 phone anyways, figured I might as well load them with audio, and no i dont currently carry a newer cellphone on me at all times anymore)

I dont plan to use music below 10kbps, just speech.

Honestly if Codec2 were supportable it sounds better at 3kbps than what I heard of opus at the bottom of it's range.  But since we dont have a player for that i'm wondering if there's MELPe or anything else supportable.
3
Upgrade the Android OS on those older phones and it should work fine.

Music below 10 kbs isn't really a good idea...  Increasing the kbs to 45 or so would make a huge difference in the music quality, while still keeping the files small.  You can find a 20 GB micro SD card to drop into those older phones with little problem.
JXL
4
I scanned your files and the screenshot shows the relative (which means look at their differences, not the dB value) noise level of your files.

Red: max
Yellow: middle
Blue: one_above_min
Green: Theoretical lowest noise level of 16-bit 96k recording (attached).

Assuming your drawer is quieter than the place you record the pipe organs, these are the best noise levels you can get. one_above_min is still slightly noisier than 16/96's limit, so I don't think it is useful to record in 24-bit. A lot of audio editing software, including the free Audacity, process at 32-bit floating point precision regardless of your files' original bit-depth, so there is no need to worry about if your files are 24-bit or not.

The test cannot show high sample rate performance though. Feel free to record some pipe organs at 96k and attach the audio files here, and tell us what level you use during recording.
That's really helpful. Thank you very much. I have no doubt that the noise from the organ blower alone will be louder than the drawer where I made those recordings, so I suppose 16 bits should be enough.

As far as the sample rate is concerned, would I get better quality recording at 96000 and then downsampling to 44100/48000 with SoX for playback or should I record at a lower rate to begin with (bearing in mind that I am using a relatively cheap recorder)?
5
Record in the best quality the device can do

The OP is specifically asking about what combination is best. Are you assuming a higher sample rate is always better?

No, but you can always throw away, it's much harder to add back, plus storage is cheap. And OP didn't mention whether he needed to edit anything.

Will recording at 44.1 or 48 be bad? No, absolutely not.
6
3rd Party Plugins - (fb2k) / Re: JScript Panel
Last post by marc2003 -
Did you see this post about WINE earlier in the thread? There are some pre-requisites needed...

https://hydrogenaud.io/index.php/topic,110499.msg937104.html#msg937104
7
3rd Party Plugins - (fb2k) / Re: JScript Panel
Last post by hyydrogen -
I couldn't apply that scripting component, I already have newer version installed.

Anyway, on Windows XP I receive the following message

Failed to load DLL: foo_jscript_panel.dll
Reason: The specified procedure could not be found.

I also tried running foobar2000 on Linux Zorin, latest version through Wine. foobar2000 runs OK, but JScript Panel crashes ("Aw, crashed" message displayed.)

8
I know Opus is supported in Android 6.0 (and perhaps 5.something inside matroska according to another post) but i'm curious what else exists on the LOW end of the spectrum, ie codecs below 10kbps.

At the bottom end I seem to recall seeing that AMR-NB has a slightly higher quality than Opus.

I consider Codec2 perfectly intelligible but dont see any Android players and sounds like none in the making.

So curious if there are other options... or how one encodes/plays AMR-NB... or if Opus is just the best way to go for other reasons.  (but also wonder how to play Opus in older android versions like 4.4 or even before - I have older phones sitting around I wouldnt mind just using as cheap audiobook players, they dont have much memory either, and I dont mind low bitrate listening esp for material i'm already familiar with, just wanting to hear again)
9
I scanned your files and the screenshot shows the relative (which means look at their differences, not the dB value) noise level of your files.

Red: max
Yellow: middle
Blue: one_above_min
Green: Theoretical lowest noise level of 16-bit 96k recording (attached).

Assuming your drawer is quieter than the place you record the pipe organs, these are the best noise levels you can get. one_above_min is still slightly noisier than 16/96's limit, so I don't think it is useful to record in 24-bit. A lot of audio editing software, including the free Audacity, process at 32-bit floating point precision regardless of your files' original bit-depth, so there is no need to worry about if your files are 24-bit or not.

The test cannot show high sample rate performance though. Feel free to record some pipe organs at 96k and attach the audio files here, and tell us what level you use during recording.
10
3rd Party Plugins - (fb2k) / Re: JScript Panel
Last post by marc2003 -
^That won't be an issue as the original WSH panel mod runs fine on XP. I was also releasing updated versions of WSH panel mod which also ran under XP.

Basically, all the problems started when I upgraded from VS2013>2015, updated to the latest foobar2000 SDK and also updated WTL at the same time. I remember lots of compiler errors which magically went away when I dropped the XP toolset. This was at the same time I was releasing JScript Panel as "new" component so I didn't have to care about breaking any upgrades and took the easy way out. Like I say, someone competent would have seen the errors and probably fixed it in 5 minutes.  :P