我正在尝试读取 FM 信号并将其传输到 sox。这是异常退出。知道发生了什么吗?
谢谢。
$ rtl_fm -f $137M -s 60k -g 45 -p 55 -E wav -E deemp -F 9 - | sox -t wav - abc.wav rate 11025
Found 1 device(s):
0: Realtek, RTL2838UHIDIR, SN: 00000001
Using device 0: Generic RTL2832U OEM
Found Rafael Micro R820T tuner
Tuner gain set to 44.50 dB.
Tuner error set to 55 ppm.
Tuned to 37480000 Hz.
Oversampling input by: 32x.
Oversampling output by: 1x.
Buffer size: 4.27ms
sox FAIL formats: can't open input `-': WAVE: RIFF header not found
Sampling at 1920000 S/s.
Output at 60000 Hz.
Signal caught, exiting!
User cancel, exiting...