Xingxing.li at 07:01, 17 March 2026

2026-03-17T07:01:03Z

Xingxing.li at 06:58, 17 March 2026

2026-03-17T06:58:13Z

Xingxing.li at 06:48, 17 March 2026

2026-03-17T06:48:02Z

Xingxing.li: Created page with " === '''AOM-3841 supports three kinds of sound cards:''' === “1 rt5640-codec”(9696EG57001)
“2 hdmi”,
“3 dp0 '''Set the default audio output when playing..."

2026-03-17T06:43:59Z

Created page with " === '''AOM-3841 supports three kinds of sound cards:''' === “1 rt5640-codec”(9696EG57001) “2 hdmi”, “3 dp0 '''Set the default audio output when playing..."

New page

=== '''AOM-3841 supports three kinds of sound cards:''' ===

“1 rt5640-codec”(9696EG57001) “2 hdmi”, “3 dp0

'''Set the default audio output when playing media files.''' 1. Click “Applications” ->”Multimedia”->”PulseAudio Volume Control”. 2. Select “Build-in Audio stereo” for rt5640-codec output, or select “HDMI” for  HDMI output, or select “Build-in Audio Display Port 1 Stereo” for DP output.

[[File:AOM-3841 Audio.jpg]]

'''Mute and Volume Control''' Mute and volume can be configured by GUI.

[[File:AOM-3841 Audio1.jpg]]

=== '''AUDIO MIC1/OUT1（Compatible with ROM-EG57）''' ===

'''HW Pin Header'''

{| border="1" cellpadding="1" cellspacing="1" style="width: 507px;"
|-
| colspan="4" style="width: 497px;" | '''I2S0 Connector Pin Definition'''
|-
| style="width: 55px;" | '''Pin'''
| style="width: 156px;" | '''Signal'''
| style="width: 54px;" | '''I/O'''
| style="width: 219px;" | '''Description'''
|-
| style="width: 55px;" | 1
| style="width: 156px;" | I2S0_VDDA
| style="width: 54px;" |  
| style="width: 219px;" | I2S0 3.3V source
|-
| style="width: 55px;" | 2
| style="width: 156px;" | GND
| style="width: 54px;" |  
| style="width: 219px;" | Ground
|-
| style="width: 55px;" | 3
| style="width: 156px;" | I2S0_VDDA
| style="width: 54px;" |  
| style="width: 219px;" | I2S0 3.3V source
|-
| style="width: 55px;" | 4
| style="width: 156px;" | I2S0_SDIN_3.3
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 Serial Data IN 3.3V Level
|-
| style="width: 55px;" | 5
| style="width: 156px;" | I2S0_SDOUT_3.3
| style="width: 54px;" | O
| style="width: 219px;" | I2S0 Serial Data OUT 3.3V Level
|-
| style="width: 55px;" | 6
| style="width: 156px;" | I2S0_LRCK_3.3
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 Left/Right Clock
|-
| style="width: 55px;" | 7
| style="width: 156px;" | I2S0_BCLK_3.3
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 Bit Clock
|-
| style="width: 55px;" | 8
| style="width: 156px;" | AUD0_MCK
| style="width: 54px;" | I
| style="width: 219px;" | Audio0 Master Clock
|-
| style="width: 55px;" | 9
| style="width: 156px;" | N/A
| style="width: 54px;" |  
| style="width: 219px;" | Not Applicable
|-
| style="width: 55px;" | 10
| style="width: 156px;" | GND
| style="width: 54px;" |  
| style="width: 219px;" | Ground
|-
| style="width: 55px;" | 11
| style="width: 156px;" | I2S0_I2C_CLK
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 I2C clock input from host.
|-
| style="width: 55px;" | 12
| style="width: 156px;" | MIC_BIAS1
| style="width: 54px;" | I
| style="width: 219px;" | For I2S0 Microphone Bias Voltage
|-
| style="width: 55px;" | 13
| style="width: 156px;" | I2S0_I2C_DAT
| style="width: 54px;" | I/O
| style="width: 219px;" | I2S0 I2C Data
|-
| style="width: 55px;" | 14
| style="width: 156px;" | GND
| style="width: 54px;" |  
| style="width: 219px;" | Ground
|-
| style="width: 55px;" | 15
| style="width: 156px;" | N/A
| style="width: 54px;" |  
| style="width: 219px;" | Not Applicable
|-
| style="width: 55px;" | 16
| style="width: 156px;" | I2S0_HP_R
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 Right Headphone
|-
| style="width: 55px;" | 17
| style="width: 156px;" | I2S0_MIC_IN
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 Microphone IN
|-
| style="width: 55px;" | 18
| style="width: 156px;" | GND
| style="width: 54px;" |  
| style="width: 219px;" | Ground
|-
| style="width: 55px;" | 19
| style="width: 156px;" | GND
| style="width: 54px;" |  
| style="width: 219px;" | Ground
|-
| style="width: 55px;" | 20
| style="width: 156px;" | I2S0_HP_L
| style="width: 54px;" | I
| style="width: 219px;" | I2S0 Left Headphone
|}

=== '''Audio Test''' ===

=== '''Get sound card ID''' ===
<pre># cat /proc/asound/cards
0 [rockchiprt5640c]: simple-card - rockchip,rt5640-codec
 rockchip,rt5640-codec
1 [rockchipdp0 ]: rockchip-dp0 - rockchip-dp0
 rockchip-dp0
2 [rockchiphdmi ]: rockchip-hdmi - rockchip-hdmi
 rockchip-hdmi</pre>

=== '''Record''' ===

Take Card ID 0 for example:
<pre># CARD_ID=0
# arecord -c 2 -Dplughw:$CARD_ID,0 -f S16_LE -r 16000 -d 10 -t wav 
test.wav  </pre>

=== '''Playback.''' ===

Take Card ID 0 for example:
<pre># CARD_ID=0
# arecord -c 2 -Dplughw:$CARD_ID,0 -f S16_LE -r 16000 -d 10 -t wav 
test.wav</pre>

See details of the usage of “aplay”: 
<pre># aplay --help
… …
-D, --device=NAME select PCM by name
-t, --file-type TYPE file type (voc, wav, raw or au)
… …</pre>

@@ Line 163: / Line 163: @@
 -t, --file-type TYPE file type (voc, wav, raw or au)
 … …</pre>
 === '''RKTool指令：''' ===
@@ Line 169: / Line 170: @@
 # /tools/test/adv/audio/audio_play_test.sh 0</pre>
-[[File:AOM-3841 Audio test.png]]&nbsp;[[File:AOM-3841 Audio test1.png]][[File:AOM-3841 Audio test1.png]]
+[[File:AOM-3841 Audio test.png|RTENOTITLE]]&nbsp;[[File:AOM-3841 Audio test1.png|RTENOTITLE]]

@@ Line 147: / Line 147: @@
 # arecord -c 2 -Dplughw:$CARD_ID,0 -f S16_LE -r 16000 -d 10 -t wav&nbsp;
 test.wav&nbsp;&nbsp;</pre>
 === '''Playback.''' ===
@@ Line 162: / Line 163: @@
 … …</pre>
-&nbsp;
+=== '''RKTool指令：''' ===

@@ Line 11: / Line 11: @@
 [[File:AOM-3841 Audio1.jpg]]
 === '''AUDIO MIC1/OUT1（Compatible with ROM-EG57）''' ===
@@ Line 16: / Line 17: @@
 '''HW Pin Header'''
+[[File:AOM-DB3500 AUDIO 1.png|700x600px]][[File:AOM-DB3500 AUDIO PIn header.png]]
 {| border="1" cellpadding="1" cellspacing="1" style="width: 507px;"

AOM-3841 AUDIO MIC1/OUT1 - Revision history

Xingxing.li at 07:01, 17 March 2026

Xingxing.li at 06:58, 17 March 2026

Xingxing.li at 06:48, 17 March 2026

Xingxing.li: Created page with " === '''AOM-3841 supports three kinds of sound cards:''' === “1 rt5640-codec”(9696EG57001) “2 hdmi”, “3 dp0 '''Set the default audio output when playing..."

Xingxing.li: Created page with " === '''AOM-3841 supports three kinds of sound cards:''' === “1 rt5640-codec”(9696EG57001)
“2 hdmi”,
“3 dp0 '''Set the default audio output when playing..."