Received: by 10.68.28.102 with SMTP id a6mr722678pbh.18.1310799740753; Sat, 16 Jul 2011 00:02:20 -0700 (PDT) X-BeenThere: pandaboard@googlegroups.com Received: by 10.68.0.233 with SMTP id 9ls1649639pbh.3.gmail; Sat, 16 Jul 2011 00:02:19 -0700 (PDT) MIME-Version: 1.0 Received: by 10.68.34.74 with SMTP id x10mr509880pbi.70.1310799739432; Sat, 16 Jul 2011 00:02:19 -0700 (PDT) Received: by p29g2000pre.googlegroups.com with HTTP; Sat, 16 Jul 2011 00:02:19 -0700 (PDT) Date: Sat, 16 Jul 2011 00:02:19 -0700 (PDT) In-Reply-To: References: <1a799cd5-20e1-406a-817f-49f55500dfb6@k3g2000prl.googlegroups.com> User-Agent: G2/1.0 X-HTTP-Via: 1.1 mtw02sqd01.mindtree.com:8085 (squid/2.6.STABLE21) X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; MS-RTC LM 8; .NET4.0C; .NET4.0E),gzip(gfe) Message-ID: Subject: Re: How to record audio from Microphone? From: Surya To: pandaboard Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, I am also facing the same problem with audio Input, i am not able to record audio with mic even after using 1K biasing resistor Ashwani can you please share amixer settings and which mic you used. Line in is working with the amixer settings which is shared by David. Thanks, -Surya On May 31, 9:59=A0pm, Ashwani wrote: > Audio recording on pandaboard are working with ordinarymicalso. I > use 1K biasing resistor. Now anymicwe can use with pandaboard. > > regards > Ashwani > > On May 11, 1:22=A0pm, "Bercovitz, David" wrote: > > > > > Ashwani, I'm posting your question on the Pandaboard mailing list as I = don't > > know this answer. > > > Regards > > David > > > 2011/5/11 Ashwani Kumar > > > > Thanks David. > > > > I tried with iball =A0microphone bu= t its > > > is not working. may be the gain issue. > > > does monomicrequire preamp? > > > > or any suggested monomic... > > > > Regards > > > Ashwani > > > > On Wed, May 11, 2011 at 1:36 PM, Bercovitz, David wrote: > > > >> Ashwani, The issue still exists on latest h/w. The only solution is = to > > >> record in mono and have the cable only wired in mono otherwise the 2= lines > > >> will be mixed up. > > >> Regards > > >> David > > > >> 2011/5/10 Ashwani Kumar > > > >>> I am using > > >>> PandaBoard RevA3 > > >>> Assy: 750-2152-021(A) > > >>> S/N: 1311PANDA421 > > > >>> I think that is latest version: > > >>>http://www.omappedia.org/wiki/PandaBoard_Revisions. > > > >>> please confirm. > > > >>> Regards > > >>> Ashwani > > > >>> On Tue, May 10, 2011 at 1:35 PM, Bercovitz, David wrote: > > > >>>> I recall there was an H/W issue recording stereo input: > > >>>>http://omapedia.org/wiki/PandaBoard_Errata > > >>>> If you are using a more recent revision of the EA1 boards, I'll ha= ve to > > >>>> go and check if the H/W has been fixed. Let me know. > > > >>>> Regards > > >>>> David > > > >>>> 2011/5/10 Ashwani Kumar > > > >>>>> Thanks David for your prompt reply. > > > >>>>> My kernel version is "2.6.35-903-omap4" =A0and filesystem is =A0"= Ubuntu > > >>>>> 10.10". > > > >>>>> *Test Setup:* > > >>>>> > I am using the audio output of PC connected to audio input (top > > >>>>> connector) on Pandaboard. > > > >>>>> > running audio on-the-fly gstreamer pipeline: > > >>>>> gst-launch-0.10 =A0alsasrc =A0! audio/x-raw-int, endianness=3D123= 4, > > >>>>> signed=3Dtrue, width=3D16, depth=3D16, rate=3D16000, channels=3D2= ! =A0alsasink > > > >>>>> >I am getting distorted sound with high noise. > > > >>>>> *p.s. Here more details on my current configuration: * > > >>>>> ubuntu@ubuntu-desktop:~$ aplay -l > > > >>>>> **** List of PLAYBACK Hardware Devices **** > > >>>>> card 0: SDP4430 [SDP4430], device 0: Multimedia null-codec-dai-0 = [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 2: Voice null-codec-dai-2 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 3: Tone Playback null-codec-dai= -3 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 4: VIB-DL null-codec-dai-4 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 5: MODEM null-codec-dai-5 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 6: Multimedia null-codec-dai-6 = [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 7: HDMI HDMI-7 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 8: Multimedia FM Digital-8 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 9: Headset Playback twl6040-dl1= -9 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 11: HS Playback twl6040-dl1-11 = [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 13: HF Playback twl6040-dl2-13 = [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 14: Vibra twl6040-vib-14 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 15: BT Bluetooth-15 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 16: FM FM Digital-16 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 17: MODEM MODEM-17 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > > >>>>> * > > >>>>> *****************************************************************= ***** > > >>>>> * > > > >>>>> ubuntu@ubuntu-desktop:~$ arecord -l > > > >>>>> **** List of CAPTURE Hardware Devices **** > > >>>>> card 0: SDP4430 [SDP4430], device 0: Multimedia null-codec-dai-0 = [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 1: Multimedia Capture > > >>>>> null-codec-dai-1 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 2: Voice null-codec-dai-2 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 5: MODEM null-codec-dai-5 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 8: Multimedia FM Digital-8 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 10: DMIC Capture dmic-hifi-10 [= ] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 12: Analog Capture twl6040-ul-1= 2 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 15: BT Bluetooth-15 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 16: FM FM Digital-16 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 17: MODEM MODEM-17 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 18: DMIC0 dmic-hifi-18 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 19: DMIC1 dmic-hifi-19 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > >>>>> card 0: SDP4430 [SDP4430], device 20: DMIC2 dmic-hifi-20 [] > > >>>>> =A0 Subdevices: 1/1 > > >>>>> =A0 Subdevice #0: subdevice #0 > > > >>>>> * > > >>>>> *****************************************************************= ***** > > >>>>> * > > > >>>>> ubuntu@ubuntu-desktop:~$ amixer contents -c0 > > >>>>> numid=3D59,iface=3DMIXER,name=3D'Aux FM Volume' > > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D2,min=3D0,max=3D1= 5,step=3D0 > > >>>>> =A0 : values=3D11,0 > > > >>>>> =A0 | dBscale-min=3D6.00dB,step=3D6.00dB,mute=3D0 > > >>>>> numid=3D33,iface=3DMIXER,name=3D'Capture Mixer Media Playback' > > > >>>>> =A0 ; type=3DBOOLEAN,access=3Drw------,values=3D1 > > >>>>> =A0 : values=3Doff > > >>>>> numid=3D30,iface=3DMIXER,name=3D'Capture Mixer Tones' > > > >>>>> =A0 ; type=3DBOOLEAN,access=3Drw------,values=3D1 > > >>>>> =A0 : values=3Doff > > >>>>> numid=3D32,iface=3DMIXER,name=3D'Capture Mixer Voice Capture' > > > >>>>> =A0 ; type=3DBOOLEAN,access=3Drw------,values=3D1 > > >>>>> =A0 : values=3Doff > > >>>>> numid=3D31,iface=3DMIXER,name=3D'Capture Mixer Voice Playback' > > > >>>>> =A0 ; type=3DBOOLEAN,access=3Drw------,values=3D1 > > >>>>> =A0 : values=3Doff > > >>>>> numid=3D57,iface=3DMIXER,name=3D'Capture Preamplifier Volume' > > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D2,min=3D0,max=3D1= ,step=3D0 > > >>>>> =A0 : values=3D1,1 > > >>>>> =A0 | dBscale-min=3D-6.00dB,step=3D6.00dB,mute=3D0 > > >>>>> numid=3D58,iface=3DMIXER,name=3D'Capture Volume' > > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D2,min=3D0,max=3D4= ,step=3D0 > > >>>>> =A0 : values=3D4,4 > > > >>>>> =A0 | dBscale-min=3D6.00dB,step=3D6.00dB,mute=3D0 > > >>>>> numid=3D22,iface=3DMIXER,name=3D'AMIC Equalizer Profile' > > >>>>> =A0 ; type=3DENUMERATED,access=3Drw------,values=3D1,items=3D3 > > >>>>> =A0 ; Item #0 'High-pass with 20kHz cut-off frequency. Gain =3D 1= ' > > >>>>> =A0 ; Item #1 'High-pass with 20kHz cut-off frequency. Gain =3D 0= .25' > > >>>>> =A0 ; Item #2 'High-pass with 20kHz cut-off frequency. Gain =3D 0= .125' > > >>>>> =A0 : values=3D0 > > >>>>> numid=3D24,iface=3DMIXER,name=3D'AMIC_UL MM_EXT Switch' > > > >>>>> =A0 ; type=3DBOOLEAN,access=3Drw------,values=3D1 > > >>>>> =A0 : values=3Doff > > >>>>> numid=3D23,iface=3DMIXER,name=3D'AMIC_UL PDM Switch' > > > >>>>> =A0 ; type=3DBOOLEAN,access=3Drw------,values=3D1 > > >>>>> =A0 : values=3Don > > > >>>>> numid=3D13,iface=3DMIXER,name=3D'AUDUL Media Volume' > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D1,min=3D0,max=3D1= 49,step=3D0 > > >>>>> =A0 : values=3D0 > > >>>>> =A0 | dBscale-min=3D-120.00dB,step=3D1.00dB,mute=3D1 > > >>>>> numid=3D14,iface=3DMIXER,name=3D'AUDUL Tones Volume' > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D1,min=3D0,max=3D1= 49,step=3D0 > > >>>>> =A0 : values=3D0 > > >>>>> =A0 | dBscale-min=3D-120.00dB,step=3D1.00dB,mute=3D1 > > >>>>> numid=3D16,iface=3DMIXER,name=3D'AUDUL Voice DL Volume' > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D1,min=3D0,max=3D1= 49,step=3D0 > > >>>>> =A0 : values=3D0 > > >>>>> =A0 | dBscale-min=3D-120.00dB,step=3D1.00dB,mute=3D1 > > >>>>> numid=3D15,iface=3DMIXER,name=3D'AUDUL Voice UL Volume' > > >>>>> =A0 ; type=3DINTEGER,access=3Drw---R--,values=3D1,min=3D0,max=3D1= 49,step=3D0 > > >>>>> =A0 : values=3D120 > > >>>>> =A0 | dBscale-min=3D-120.00dB,step=3D1.00dB,mute=3D1 > > >>>>> =A0numid=3D69,iface=3DMIXER,name=3D'Analog Left Capture Route' > > > >>>>> =A0 ; type=3DENUMERATED,access=3Drw------,values=3D1,items=3D4 > > >>>>> =A0 ; Item #0 'HeadsetMic' > > >>>>> =A0 ; Item #1 'MainMic' > > >>>>> =A0 ; Item #2 'Aux/FM Left' > > >>>>> =A0 ; Item #3 'Off' > > >>>>> =A0 : values=3D0 > > >>>>> numid=3D68,iface=3DMIXER,name=3D'Analog Right Capture Route' > > > >>>>> =A0 ; type=3DENUMERATED,access=3Drw------,values=3D1,items=3D4 > > >>>>> =A0 ; Item #0 'HeadsetMic' > > >>>>> =A0 ; Item #1 'SubMic' > > >>>>> =A0 ; Item #2 'Aux/FM Right' > > >>>>> =A0 ; Item #3 'Off' > > >>>>> =A0 : values=3D0 > > >>>>> numid=3D26,iface=3DMIXER,name=3D'DL1 BT_VX > > ... > > read more =BB- Hide quoted text - >