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Re: how to record sound to mp3 [wav, for those who can]

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On Thu 25 Mar 2021 at 17:40:51 (+0100), Nicolas George wrote:
> David Wright (12021-03-25):
> > > now i modify my requirement to how to use arecord to record sound being played to wav file
> 
> > To record, you could type, for example, in another xterm:
> > 
> > $ arecord -d 10 -f cd -v -v -v -D plughw:0,0 /tmp/audiofile.wav
> 
> This command does not record the sound being played.

… on your machine. That's why I wrote "If you can't get ALSA to work…".
You're a candidate for pulseaudio, I assume.

AFAICT, this recording facility is getting harder to find on most
computers, if you're not prepared to fork out for a sound card.
I've been fortunate, in that just as my ancient Pentium III expired,
I have acquired a Dell Precision T3500 which has a well endowed
(integrated) sound card.

I'm still finding my way round it: for example, it also has HDMI
playback, but I haven't yet worked out how to exploit it. The machine
has one DVI output and two DisplayPorts, so I need to find a
DisplayPort/HDMI adapter to see if that would yield anything.

It also has two Capture devices, and I don't know whether that means
there are two independent sound paths. If so, then I should be able to
record from the browser to one file, and from a TV (my UK one has
headphone output) or the Roku remote control to another file at the
same time.

Anyway, I just recorded a bit of audio from Abbey Road (the live webcam¹,
not the album), and printed the settings of all the controls (attached).
AIUI at present, the critical section is at the end, specifically:

Simple mixer control 'Input Source',0
  Capabilities: cenum
  Items: 'Mic' 'Line' 'Stereo Mix'
  Item0: 'Stereo Mix'

IOW, I'm recording from the mixer.

¹ https://www.abbeyroad.com/Crossing

Cheers,
David.

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Thread

Re: how to record sound to mp3 "Susmita/Rajib" <bkpsusmitaa@gmail.com> - 2021-03-25 13:10 +0100
  Re: how to record sound to mp3 Long Wind <longwind2@yahoo.com> - 2021-03-25 13:30 +0100
    Re: how to record sound to mp3 <tomas@tuxteam.de> - 2021-03-25 13:40 +0100
    Re: how to record sound to mp3 David Wright <deblis@lionunicorn.co.uk> - 2021-03-25 17:10 +0100
      Re: how to record sound to mp3 Nicolas George <george@nsup.org> - 2021-03-25 17:50 +0100
        Re: how to record sound to mp3 ghe2001 <ghe2001@protonmail.com> - 2021-03-25 18:00 +0100
        Re: how to record sound to mp3 [wav, for those who can] David Wright <deblis@lionunicorn.co.uk> - 2021-03-25 23:00 +0100
          Re: how to record sound to mp3 [wav, for those who can] Nicolas George <george@nsup.org> - 2021-03-25 23:30 +0100
            Re: how to record sound to mp3 [wav, for those who can] <tomas@tuxteam.de> - 2021-03-26 08:40 +0100
              Re: how to record sound to mp3 [wav, for those who can] Michael Lange <klappnase@freenet.de> - 2021-03-26 09:50 +0100
                Re: how to record sound to mp3 [wav, for those who can] Michael Lange <klappnase@freenet.de> - 2021-03-26 10:20 +0100
            Re: how to record sound to mp3 [wav, for those who can] David Wright <deblis@lionunicorn.co.uk> - 2021-03-26 17:10 +0100
          Re: how to record sound to mp3 [wav, for those who can] Linux-Fan <Ma_Sys.ma@web.de> - 2021-03-26 00:20 +0100
      Re: how to record sound to mp3 Long Wind <longwind2@yahoo.com> - 2021-03-25 19:40 +0100
        Re: how to record sound to mp3 Greg Wooledge <greg@wooledge.org> - 2021-03-25 19:50 +0100
          Re: how to record sound to mp3 Nicolas George <george@nsup.org> - 2021-03-25 20:00 +0100
            Re: how to record sound to mp3 Greg Wooledge <greg@wooledge.org> - 2021-03-25 20:20 +0100
              Re: how to record sound to mp3 Nicolas George <george@nsup.org> - 2021-03-25 21:00 +0100
            Re: how to record sound to mp3 Celejar <celejar@gmail.com> - 2021-03-25 21:30 +0100

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