I'm trying to use a Flyvideo 98FM card, sold under the name CyberMail Xtreme. The webcam works OK, and the video from the tuner is OK. The FM audio from the tuner sounds OK. The tv audio, however, has an annoying low humming or buzzing noise. Could this be a problem with the drivers, or is it more likely a hardware problem? (It's installed in a noisy and hot Athlon smp machine.) I've tried the most recent versions of all the bttv and v4l drivers in several different kernels, and they don't seem to work any better than the drivers in a stock Debian 2.4.19-k6-smp kernel. Right now, I've gone back to the stock kernel. Searching the video4linux mail archives didn't turn up many references to "hum" or "buzz". Is there documentation somewhere that deals with this problem? Have other people had this problem? I've been loading the bttv module with the option "tuner=36". I've systematically tried scores of different combinations of card numbers and tuner numbers, and while many don't work or work badly, some seem to work fine, though none is better than letting bttv autodetect the card, while I set the tuner option to 36. If anyone has any suggestions for how to get rid of the hum, please let me know. Here is some output from dmesg: Linux video capture interface: v1.00 i2c-core.o: i2c core module i2c-algo-bit.o: i2c bit algorithm module bttv: driver version 0.7.91 loaded bttv: using 2 buffers with 2080k (4160k total) for capture bttv: Host bridge is Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] System Controller bttv: Bt8xx card found (0). bttv0: Bt878 (rev 17) at 00:09.0, irq: 5, latency: 132, memory: 0xf4102000 bttv0: detected: Flyvideo 98FM (LR50)/ Typhoon TView TV/FM Tuner [card=36], PCI subsystem ID is 1852:1852 bttv0: using: BT878(Flyvideo 98FM (LR50Q) /) [card=36,autodetected] i2c-core.o: adapter bt848 #0 registered as adapter 0. bttv0: Flyvideo Radio=yes RemoteControl=yes Tuner=4 gpio=0xe0ff00 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=Temic NTSC (4136 FY5),ok] i2c-core.o: client [Temic NTSC (4136 FY5)] registered to adapter [bt848 #0](pos. 0). bttv0: registered device video0 bttv0: registered device vbi0 bttv0: registered device radio0 -- _ -o) Lance Simmons /\\ lance@xxxxxxxxxxxx _\_v
