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Hello. I have very difficult question, because it is hardware specific. My task was to save internet audio stream (for example http://www.moskva.fm/stations/FM_66.44) to audio file on the disk. To solve this I decided to install audacity. After some test of the program I managed to save sound from the microphone. But all attempts to capture sound from the web browser were unsuccessful. As a matter of fact, windows+audacity did the job exellent (I need to enable StereoMix in windows audio properties). But I don't like to use windows in everything exept games. So, how to do it in Arch? My hardware data:
lspci -vvv
00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 03)
Subsystem: ASUSTeK Computer Inc. P5GD1-VW Mainboard
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 16 bytes
Interrupt: pin A routed to IRQ 45
Region 0: Memory at cbef8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Alsamixer settings (I guess they are incorrect and that is the solution)
┌───────────────────────────── AlsaMixer v1.0.26 ──────────────────────────────┐
│ Card: HDA Intel F1: Help │
│ Chip: Realtek ALC880 F2: System information │
│ View: F3:[Playback] F4: Capture F5: All F6: Select sound card │
│ Item: Master [dB gain: 0.00] Esc: Exit │
│ │
│ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ >
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │ │ │▒▒│ │▒▒│ │▒▒│ │
│ ├──┤ ├──┤ └──┘ ├──┤ ├──┤ ├──┤ ├──┤ ├──┤ │
│ │OO│ │OO│ │OO│ │MM│ │OO│ │OO│ │OO│ │
│ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ └──┘ │
│ 100 100<>100 100<>100 100<>100 0<>0 100<>100 100 100 │
│ < Master >Headphon PCM Front Front Mi Surround Center LFE │
└──────────────────────────────────────────────────────────────────────────────┘
Alsamixer capture settings (probable)
┌───────────────────────────── AlsaMixer v1.0.26 ──────────────────────────────┐
│ Card: HDA Intel F1: Help │
│ Chip: Realtek ALC880 F2: System information │
│ View: F3: Playback F4:[Capture] F5: All F6: Select sound card │
│ Item: Capture [dB gain: 35.00, 35.00] Esc: Exit │
│ │
│ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ │▒▒│ │▒▒│ │▒▒│ │▒▒│ │
│ L└──┘R L└──┘R L└──┘R └──┘ Line Line Line │
│ CAPTURE CAPTURE CAPTURE │
│ 100<>100 100<>100 100<>100 100<>100 │
│< Capture >Capture 1 Capture 2 Digital Input Sour Input Sour Input Sour │
│ │
└──────────────────────────────────────────────────────────────────────────────┘
It is hard to represent audacity options because it is graphics image but I think they are standart.
What settings in alsamixer and audacity capture device are correct in my situation?
I'l be very thankfull if someone decide to dig in this trash with me.
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