[Cin] offtopic: Digitize and record Audio via Line-In Jack or via USB adapter?
Terje J. Hanssen
terjejhanssen at gmail.com
Mon Oct 4 10:03:36 CEST 2021
Den 23.09.2021 09:34, skrev mat via Cin:
> In pavucontrol (audio mixer), first check the configuration tab, to see
> if the Built-in Audio is set up correctly. "Analog stereo duplex" is
> probably right.
> Then, on the "Input devices" tab, at the bottom set it to show
> "Hardware Input Devices", then check that the Port is set to the
> correct port. For me, "Line In" shows correctly if something is plugged
> in or not. Make also sure the gain is set to 100%.
> That said, I sometimes have problems recording LineIn with Audacity,
> even though all seems OK. have not yet determined what the cause is.
Den 26.09.2021 00:28, skrev mnieuw at zap.a2000.nl:
> Audacity can record audio, it uses an internal 32 bit floating point
> format by default, which is the best IMHO.
> It exports in a number of formats, for FLAC select the audio you want
> to export, choose File->export_select_audio, choose the flac format in
> the drop-down box near the right bottom. Change the file extension in
> .flac. I use Audacity multiple times per week.
Den 27.09.2021 /21:44/, skrev mnieuw at zap.a2000.nl:
> I just plugged in my UCA202, and the system (Mint 20.2 XFCE)
> immediately recognized it. It shows up in the audio mixer (pavucontrol)
> as an extra input device and extra output device, both as "PCM2902
> Audio Codec Analog Stereo".
1) My Behringer UFO202 USB Audio interface has arrived.
As a first and easy test I have connected it to a PC USB port, the RCA
IN L+R to RCA OUT on a Toshiba videoplayer playing an Audio music CD,
and third connected earphones to UFO202.
2) Yes, I hear the playback sound in the earphones, however no sound if
I plugin the earphones to the normal rear PC backplane's Jack, and no
sound in the corresponding speakers. Correct so far?
Configuration | *PCM2902 Audio Codec* Profile: Analog Stereo Duplex
* Input Devices | Hardware devices | Hardware Input Devices:
PCM2902 Audio Codec Analog Stereo, Port: Analog Input response
Built-in Audio Analog stereo, Port: Rear Microphone (plugged
4) UFO202 is discovered on my Leap 15.3 as *Device 4 **Texas Instruments
PCM2902 Audio Codec* as follows:
*# inxi -Fxz*
Audio: Device-1: Intel 100 Series/C230 Series Family HD Audio
vendor: Micro-Star MSI
driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Device-2: NVIDIA GK208 HDMI/DP Audio vendor: ASUSTeK driver:
snd_hda_intel v: kernel
bus ID: 01:00.1
Device-3: Microdia Camera type: USB driver:
snd-usb-audio,uvcvideo bus ID: 1-11:3
* Device-4: Texas Instruments PCM2902 Audio Codec type: USB*
driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-13:4
Sound Server: ALSA v: k5.3.18-59.24-default
Bus 002 Device 003: ID 05e3:0732 Genesys Logic, Inc. All-in-One Cardreader
Bus 002 Device 002: ID 0bc2:2322 Seagate RSS LLC SRD0NF1 Expansion
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
*Bus 001 Device 004: ID 08bb:2902 Texas Instruments PCM2902 Audio Codec*
Bus 001 Device 003: ID 0c45:6340 Microdia Camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
terje at localhost:~> pacmd list-sources | egrep '^\s+name: .*alsa_input'
5) I am unsure how to practically go from here to record the Audio music
6) Pulse audio or Alsa, what's the difference and how to select/set each
7) Record with Pulse Audio Volum control (pavucontrol), Audacitty or
8) Which tab/buttons for input in Audiacity (possibly tape/noise
filters) - I could not find the PCM2902 input or see any sound response here
9) Would it be reasonable to record and archive in lossless FLAC format
and afterwards convert with ffmpeg? to smaller files format of good
quality, typical MP3 at 320 kbps (for car usb player) and MP4A for home
10) Do you have command or gui procedures for these?
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