Tvtime no sound !

Bonjour,

Je n'ai pas de son sous tvtime, xawtv:

Informations ma carte TV est:

02:0a.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio Decoder [MPEG Port] (rev 05)
Subsystem: LeadTek Research Inc. Leadtek PVR 2000

ma carte son est:

tnia@mars:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ICH5 [Intel ICH5], device 0: Intel ICH [Intel ICH5]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: ICH5 [Intel ICH5], device 4: Intel ICH - IEC958 [Intel ICH5 - IEC958]
Subdevices: 1/1
Subdevice #0: subdevice #0

pour ma carte son:

tnia@mars:~$ lspci | grep audio
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02)
tnia@mars:~$ lsmod | grep snd
snd_intel8x0 35356 4
snd_ac97_codec 100772 1 snd_intel8x0
ac97_bus 3072 1 snd_ac97_codec
snd_pcm_oss 42016 0
snd_mixer_oss 17792 2 snd_pcm_oss
snd_pcm 78724 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_mpu401 9448 0
snd_mpu401_uart 9728 1 snd_mpu401
snd_seq_dummy 4868 0
snd_seq_oss 35456 0
snd_seq_midi 9248 0
snd_rawmidi 25632 2 snd_mpu401_uart,snd_seq_midi
snd_seq_midi_event 8320 2 snd_seq_oss,snd_seq_midi
snd_seq 54224 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 24836 2 snd_pcm,snd_seq
snd_seq_device 9612 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 56868 19 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_mpu401,snd_mpu401_uart,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 8800 2 snd
snd_page_alloc 11528 2 snd_intel8x0,snd_pcm
tnia@mars:~$ alsamixer


et alsa mixer trouve comme carte



Card: Intel ICH5
│ Chip: Analog Devices AD1985
│ View: [Playback] Capture All
│ Item: Master [dB gain=0.00, 0.00]

A NOTE: Le son marche quand j'écoute de la musique !

Merci de votre aide par avance !