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Difference between revisions of "Rockpi4/dev/headphone-jack-work-on-rock-pi-4cplus"

< Rockpi4‎ | dev
(Created page with "{{rockpi4_header}} {{Languages|rockpi4/dev/headphone-jack-work-on-rock-pi-4cplus}} ROCK Pi 4 > Development > Rockpi4/dev/headphone-jack...")
 
 
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{{Languages|rockpi4/dev/headphone-jack-work-on-rock-pi-4cplus}}
 
{{Languages|rockpi4/dev/headphone-jack-work-on-rock-pi-4cplus}}
  
     [[rockpi4 | ROCK Pi 4]] > [[rockpi4/dev | Development]] > [[Rockpi4/dev/headphone-jack-work-on-rock-pi-4cplus | Headphone work on rockpi4cplus]]
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     [[rockpi4 | ROCK Pi 4]] > [[rockpi4/dev | Development]] > [[Rockpi4/dev/headphone-jack-work-on-rock-pi-4cplus | Headphone work on ROCK 4C Plus]]
  
 
===Description===
 
===Description===
  
Here are the rockpi4cplus instructions for using headphones.
+
Here are the instructions for using headphones on ROCK 4C+.
  
 
=== Test Audio Player===
 
=== Test Audio Player===

Latest revision as of 08:02, 6 December 2022

    ROCK Pi 4 >  Development >  Headphone work on ROCK 4C Plus

Description

Here are the instructions for using headphones on ROCK 4C+.

Test Audio Player

Download a wav audio file, and use the command to test the HP player.

$ amixer -c 1 cset numid=1 3
$ amixer -c 1 cset numid=1 4   #These two commands need to be executed twice, when you need to play
   numid=1,iface=MIXER,name='Playback Path'
 ; type=ENUMERATED,access=rw------,values=1,items=11
 ; Item #0 'OFF'
 ; Item #1 'RCV'
 ; Item #2 'SPK'
 ; Item #3 'HP'
 ; Item #4 'HP_NO_MIC'
 ; Item #5 'BT'
 ; Item #6 'SPK_HP'
 ; Item #7 'RING_SPK'
 ; Item #8 'RING_HP'
 ; Item #9 'RING_HP_NO_MIC'
 ; Item #10 'RING_SPK_HP'
 : values=3

$ aplay -D plughw:1,0 test.wav
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

To test the Mic recording, please follow:

$ amixer -c 1 cset numid=2 1
$ arecord -Dhw:1,0 -d 10 -f cd -r 44100 -c 2 -t wav ./mic_test.wav      #this is a record command
  Recording WAVE './mic_test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
$ aplay -D plughw:1,0 mic_test.wav