Re: AVerMedia AVerTV Stereo: bad reception

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Do you have bad video, sound or both ?

Does finetuning in xawtv improve reception ?

Which tuner model is this really? Probably the tuner
sticker is hidden beneath the Avermedia sticker, you
can peel it carefully.


"John K. Hohm" wrote:
> 
> I have an AVerMedia AVerTV Stereo card, which looks just like the
> M168T+NE41S in the gallery, hooked up to a us-cable line.  It is
> autodetected as card=13 by bttv-0.7.97, but the default tuner=2 only gets
> me two stations.  Many of the other settings, including tuner=1 and
> tuner=3, get me indistinguishable results: every channel I expect to get.
> My problem is that most of the channels have rather poor reception,
> especially compared to the very good reception in Windows XP with
> AVerMedia's driver.  The best reception in Linux is about as good as the
> worst reception in XP.  I would be glad to do whatever reporting or
> debugging is necessary to improve the reception.  Hopefully this is a good
> start:
> 
> happy:/home/jhohm/src/bttv-0.7.97/tools# ./detect
> 0xa0: eeprom (bt878, Hauppauge-848)
> 0xc2: tuner (error: Device or resource busy)
> happy:/home/jhohm/src/bttv-0.7.97/tools# ./eeprom
> 0000   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0010   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0020   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0030   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0040   ff 40 02 ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0050   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0060   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0070   ff ff ff ff  ff ff ff ff  ff ff ff ff  00 61 14 61   .............a.a
> 0080   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 0090   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 00a0   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 00b0   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 00c0   ff 40 02 ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 00d0   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 00e0   ff ff ff ff  ff ff ff ff  ff ff ff ff  ff ff ff ff   ................
> 00f0   ff ff ff ff  ff ff ff ff  ff ff ff ff  00 04 14 61   ...............a
> 
> relevant kernel messages upon loading bttv.o:
> bttv: driver version 0.7.97 loaded
> bttv: using 4 buffers with 2080k (8320k total) for capture
> bttv: Host bridge is Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host bridge
> bttv: Host bridge needs ETBF enabled.
> bttv: Bt8xx card found (0).
> bttv0: Bt878 (rev 17) at 00:11.0, irq: 9, latency: 32, mmio: 0xdf001000
> bttv0: detected: AVerMedia TVCapture 98 [card=13], PCI subsystem ID is
> 1461:0004
> bttv0: using: BT878(AVerMedia TVCapture 98) [card=13,autodetected]
> bttv0: enabling ETBF (430FX/VP3 compatibilty)
> i2c-dev.o: Registered 'bt848 #0' as minor 0
> i2c-core.o: adapter bt848 #0 registered as adapter 0.
> bttv0: Avermedia eeprom[0x4002]: tuner=2 radio:no remote control:no
> bttv0: using tuner=3
> bttv0: i2c: checking for MSP34xx @ 0x80... not found
> bttv0: i2c: checking for TDA9875 @ 0xb0... not found
> bttv0: i2c: checking for TDA7432 @ 0x8a... not found
> tvaudio: TV audio decoder + audio/video mux driver
> tvaudio: known chips:
> tda9840,tda9873h,tda9874h/a,tda9850,tda9855,tea6300,tea6420,tda8425,pic16c54
> (PV951)
> i2c-core.o: driver generic i2c audio driver registered.
> i2c-core.o: driver i2c TV tuner driver registered.
> tuner: probing bt848 #0 i2c adapter [id=0x10005]
> tuner: chip found @ 0xc2
> bttv0: i2c attach [client=Philips (SECAM+PAL_BG) (FI1216MF,ok]
> i2c-core.o: client [Philips (SECAM+PAL_BG) (FI1216MF] registered to
> adapter [bt848 #0](pos. 0).
> bttv0: registered device video0
> bttv0: registered device vbi0
> 
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