איך אפשר להקליט ממיקרופון ישירות משורת הפקודה...?
ניסיתי:
קוד: |
ffmpeg -f oss -i /dev/dsp test.wav |
וזה יוצר קובץ wav אבל שומעים בו רק שריקה גבוהה... ניסיתי גם:
קוד: |
ffmpeg -f alsa -ac 2 -i pulse test.wav |
וזה כותב:
קוד: |
ALSA lib pcm.c:2211:(snd_pcm_open_noupdate) Unknown PCM pulse
[alsa @ 0x9812a60]cannot open audio device pulse (No such file or directory)
pulse: I/O error occurred
Usually that means that input file is truncated and/or corrupted. |
עשיתי גם כמה נסיונות עם arecord, ללא הצלחה...
קוד: |
$ lspci | grep -i hda
80:01.0 Audio device: VIA Technologies, Inc. VT1708/A [Azalia HDAC] (VIA High Definition Audio Controller) (rev 10)
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: VT82xx [HDA VIA VT82xx], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=VT82xx
HDA VIA VT82xx, ALC662 rev1 Analog
Default Audio Device
front:CARD=VT82xx,DEV=0
HDA VIA VT82xx, ALC662 rev1 Analog
Front speakers
surround40:CARD=VT82xx,DEV=0
HDA VIA VT82xx, ALC662 rev1 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=VT82xx,DEV=0
HDA VIA VT82xx, ALC662 rev1 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=VT82xx,DEV=0
HDA VIA VT82xx, ALC662 rev1 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=VT82xx,DEV=0
HDA VIA VT82xx, ALC662 rev1 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=VT82xx,DEV=0
HDA VIA VT82xx, ALC662 rev1 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers |