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 > > _______________________________________________ > Video4linux-list mailing list > Video4linux-list@xxxxxxxxxx > https://listman.redhat.com/mailman/listinfo/video4linux-list