ieri nel garage di un amico ho trovato questa scheda tv analogica
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saa7130/34: v4l2 driver version 0.2.14 loaded
saa7134 0000:01:06.0: PCI INT A -> Link[APC3] -> GSI 18 (level, low) -> IRQ 18
saa7133[0]: found at 0000:01:06.0, rev: 240, irq: 18, latency: 32, mmio: 0xefbff000
saa7133[0]: subsystem: 1043:4845, board: ASUS TV-FM 7135 [card=53,autodetected]
saa7133[0]: board init: gpio is 0
saa7133[0]: i2c eeprom 00: 43 10 45 48 54 20 1c 00 43 43 a9 1c 55 d2 b2 92
saa7133[0]: i2c eeprom 10: 00 ff e2 0f ff 20 ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 20: 01 40 01 02 03 01 01 04 08 ff 00 89 ff ff ff ff
saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 40: ff 14 00 c2 96 ff 01 30 ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom f0: 71 35 aa c0 02 dd 20 04 05 05 ff ff ff ff ff ff
tuner' 0-004b: chip found @ 0x96 (saa7133[0])
saa7133[0]: registered device video0 [v4l2]
saa7133[0]: registered device vbi0
saa7133[0]: registered device radio0
saa7134 ALSA driver for DMA sound loaded
saa7133[0]/alsa: saa7133[0] at 0xefbff000 irq 18 registered as card -1
me la sono fatta regalare (bontà sua)
e seguendo le indicazioni in giro per la rete l'ho fatta funzionare così
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#!/bin/bash
arecord -D hw:1,0 -r 32000 -c 2 -f S16_LE | sox -q -c 2 -r 32000 -t wav - -t alsa hw:0,0 &
tvtime
l'audio analogico viene rediretto usando sox
(l'opzione -w consigliata dai vari siti sembra deprecata)
spero ti possa essere utile