Difference between revisions of "AOM-3841 AUDIO MIC1/OUT1 & MIC2/OUT2"

From ESS-WIKI
Jump to: navigation, search
(Created page with " === '''AOM-3841 supports three kinds of sound cards:''' === “1 rt5640-codec”(9696EG57001)<br/> “2 hdmi”,<br/> “3 dp0 '''Set the default audio output when playing...")
 
Line 14: Line 14:
 
&nbsp;
 
&nbsp;
  
−
=== '''AUDIO MIC1/OUT1（Compatible with ROM-EG57）''' ===
+
<h3> <b>AUDIO MIC1/OUT1（Compatible with ROM-EG57）</b> </h3>
 +
<p><b>HW Pin Header</b>
 +
</p><p><img src="/wiki/images/9/9f/AOM-DB3500_AUDIO_1.png" _fck_mw_filename="AOM-DB3500 AUDIO 1.png" width="700" height="600" _fck_mw_origimgwidth="1075" _fck_mw_origimgheight="1001" alt="AOM-DB3500 AUDIO 1.png" title="AOM-DB3500 AUDIO 1.png" style="vertical-align:middle;" /><img src="/wiki/images/7/7e/AOM-DB3500_AUDIO_PIn_header.png" _fck_mw_filename="AOM-DB3500 AUDIO PIn header.png" _fck_mw_origimgwidth="403" _fck_mw_origimgheight="379" alt="RTENOTITLE" title="RTENOTITLE" style="vertical-align:middle;" />
 +
</p>
 +
<table border="1" cellpadding="1" cellspacing="1" style="width: 507px;">
  
−
'''HW Pin Header'''
+
<tr>
 +
<td colspan="4" style="width: 497px;"> <b>I2S0 Connector Pin Definition</b>
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> <b>Pin</b>
 +
</td>
 +
<td style="width: 156px;"> <b>Signal</b>
 +
</td>
 +
<td style="width: 54px;"> <b>I/O</b>
 +
</td>
 +
<td style="width: 219px;"> <b>Description</b>
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 1
 +
</td>
 +
<td style="width: 156px;"> I2S0_VDDA
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> I2S0 3.3V source
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 2
 +
</td>
 +
<td style="width: 156px;"> GND
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 3
 +
</td>
 +
<td style="width: 156px;"> I2S0_VDDA
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> I2S0 3.3V source
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 4
 +
</td>
 +
<td style="width: 156px;"> I2S0_SDIN_3.3
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 Serial Data IN 3.3V Level
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 5
 +
</td>
 +
<td style="width: 156px;"> I2S0_SDOUT_3.3
 +
</td>
 +
<td style="width: 54px;"> O
 +
</td>
 +
<td style="width: 219px;"> I2S0 Serial Data OUT 3.3V Level
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 6
 +
</td>
 +
<td style="width: 156px;"> I2S0_LRCK_3.3
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 Left/Right Clock
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 7
 +
</td>
 +
<td style="width: 156px;"> I2S0_BCLK_3.3
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 Bit Clock
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 8
 +
</td>
 +
<td style="width: 156px;"> AUD0_MCK
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> Audio0 Master Clock
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 9
 +
</td>
 +
<td style="width: 156px;"> N/A
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Not Applicable
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 10
 +
</td>
 +
<td style="width: 156px;"> GND
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 11
 +
</td>
 +
<td style="width: 156px;"> I2S0_I2C_CLK
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 I2C clock input from host.
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 12
 +
</td>
 +
<td style="width: 156px;"> MIC_BIAS1
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> For I2S0 Microphone Bias Voltage
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 13
 +
</td>
 +
<td style="width: 156px;"> I2S0_I2C_DAT
 +
</td>
 +
<td style="width: 54px;"> I/O
 +
</td>
 +
<td style="width: 219px;"> I2S0 I2C Data
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 14
 +
</td>
 +
<td style="width: 156px;"> GND
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 15
 +
</td>
 +
<td style="width: 156px;"> N/A
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Not Applicable
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 16
 +
</td>
 +
<td style="width: 156px;"> I2S0_HP_R
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 Right Headphone
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 17
 +
</td>
 +
<td style="width: 156px;"> I2S0_MIC_IN
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 Microphone IN
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 18
 +
</td>
 +
<td style="width: 156px;"> GND
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 19
 +
</td>
 +
<td style="width: 156px;"> GND
 +
</td>
 +
<td style="width: 54px;"> &#160;
 +
</td>
 +
<td style="width: 219px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 55px;"> 20
 +
</td>
 +
<td style="width: 156px;"> I2S0_HP_L
 +
</td>
 +
<td style="width: 54px;"> I
 +
</td>
 +
<td style="width: 219px;"> I2S0 Left Headphone
 +
</td></tr></table>
 +
<h3> <b>AUDIO MIC2/OUT2（Compatible with ROM-EG57）</b> </h3>
 +
<p><b>HW Pin Header</b>
 +
</p><p><img src="/wiki/images/8/89/AOM-DB3500_AUDIO2.png" _fck_mw_filename="AOM-DB3500 AUDIO2.png" width="700" height="600" _fck_mw_origimgwidth="1084" _fck_mw_origimgheight="1009" alt="AOM-DB3500 AUDIO2.png" title="AOM-DB3500 AUDIO2.png" style="vertical-align:middle;" /><img src="/wiki/images/7/7e/AOM-DB3500_AUDIO_PIn_header.png" _fck_mw_filename="AOM-DB3500 AUDIO PIn header.png" _fck_mw_origimgwidth="403" _fck_mw_origimgheight="379" alt="RTENOTITLE" title="RTENOTITLE" style="vertical-align:middle;" />
 +
</p>
 +
<table border="1" cellpadding="1" cellspacing="1" style="width: 582px;">
  
−
[[File:AOM-DB3500 AUDIO 1.png|700x600px|AOM-DB3500 AUDIO 1.png]][[File:AOM-DB3500 AUDIO PIn header.png|RTENOTITLE]]
+
<tr>
−
 
+
<td colspan="4" style="width: 572px;"> <b>I2S1 Connector Pin Definition</b>
−
{| border="1" cellpadding="1" cellspacing="1" style="width: 507px;"
+
</td></tr>
−
|-
+
<tr>
−
| colspan="4" style="width: 497px;" | '''I2S0 Connector Pin Definition'''
+
<td style="width: 52px;"> <b>Pin</b>
−
|-
+
</td>
−
| style="width: 55px;" | '''Pin'''
+
<td style="width: 198px;"> <b>Signal</b>
−
| style="width: 156px;" | '''Signal'''
+
</td>
−
| style="width: 54px;" | '''I/O'''
+
<td style="width: 49px;"> <b>I/O</b>
−
| style="width: 219px;" | '''Description'''
+
</td>
−
|-
+
<td style="width: 260px;"> <b>Description</b>
−
| style="width: 55px;" | 1
+
</td></tr>
−
| style="width: 156px;" | I2S0_VDDA
+
<tr>
−
| style="width: 54px;" | &nbsp;
+
<td style="width: 52px;"> 1
−
| style="width: 219px;" | I2S0 3.3V source
+
</td>
−
|-
+
<td style="width: 198px;"> I2S1_VDDA
−
| style="width: 55px;" | 2
+
</td>
−
| style="width: 156px;" | GND
+
<td style="width: 49px;"> &#160;
−
| style="width: 54px;" | &nbsp;
+
</td>
−
| style="width: 219px;" | Ground
+
<td style="width: 260px;"> I2S1 3.3V source
−
|-
+
</td></tr>
−
| style="width: 55px;" | 3
+
<tr>
−
| style="width: 156px;" | I2S0_VDDA
+
<td style="width: 52px;"> 2
−
| style="width: 54px;" | &nbsp;
+
</td>
−
| style="width: 219px;" | I2S0 3.3V source
+
<td style="width: 198px;"> GND
−
|-
+
</td>
−
| style="width: 55px;" | 4
+
<td style="width: 49px;"> &#160;
−
| style="width: 156px;" | I2S0_SDIN_3.3
+
</td>
−
| style="width: 54px;" | I
+
<td style="width: 260px;"> Ground
−
| style="width: 219px;" | I2S0 Serial Data IN 3.3V Level
+
</td></tr>
−
|-
+
<tr>
−
| style="width: 55px;" | 5
+
<td style="width: 52px;"> 3
−
| style="width: 156px;" | I2S0_SDOUT_3.3
+
</td>
−
| style="width: 54px;" | O
+
<td style="width: 198px;"> I2S1_VDDA
−
| style="width: 219px;" | I2S0 Serial Data OUT 3.3V Level
+
</td>
−
|-
+
<td style="width: 49px;"> &#160;
−
| style="width: 55px;" | 6
+
</td>
−
| style="width: 156px;" | I2S0_LRCK_3.3
+
<td style="width: 260px;"> I2S1 3.3V source
−
| style="width: 54px;" | I
+
</td></tr>
−
| style="width: 219px;" | I2S0 Left/Right Clock
+
<tr>
−
|-
+
<td style="width: 52px;"> 4
−
| style="width: 55px;" | 7
+
</td>
−
| style="width: 156px;" | I2S0_BCLK_3.3
+
<td style="width: 198px;"> I2S1_SDIN_3.3
−
| style="width: 54px;" | I
+
</td>
−
| style="width: 219px;" | I2S0 Bit Clock
+
<td style="width: 49px;"> I
−
|-
+
</td>
−
| style="width: 55px;" | 8
+
<td style="width: 260px;"> I2S1 Serial Data IN 3.3V Level
−
| style="width: 156px;" | AUD0_MCK
+
</td></tr>
−
| style="width: 54px;" | I
+
<tr>
−
| style="width: 219px;" | Audio0 Master Clock
+
<td style="width: 52px;"> 5
−
|-
+
</td>
−
| style="width: 55px;" | 9
+
<td style="width: 198px;"> I2S1_SDOUT_3.3
−
| style="width: 156px;" | N/A
+
</td>
−
| style="width: 54px;" | &nbsp;
+
<td style="width: 49px;"> O
−
| style="width: 219px;" | Not Applicable
+
</td>
−
|-
+
<td style="width: 260px;"> I2S1 Serial Data OUT 3.3V Level
−
| style="width: 55px;" | 10
+
</td></tr>
−
| style="width: 156px;" | GND
+
<tr>
−
| style="width: 54px;" | &nbsp;
+
<td style="width: 52px;"> 6
−
| style="width: 219px;" | Ground
+
</td>
−
|-
+
<td style="width: 198px;"> I2S1_LRCK_3.3
−
| style="width: 55px;" | 11
+
</td>
−
| style="width: 156px;" | I2S0_I2C_CLK
+
<td style="width: 49px;"> I
−
| style="width: 54px;" | I
+
</td>
−
| style="width: 219px;" | I2S0 I2C clock input from host.
+
<td style="width: 260px;"> I2S1 Left/Right Clock
−
|-
+
</td></tr>
−
| style="width: 55px;" | 12
+
<tr>
−
| style="width: 156px;" | MIC_BIAS1
+
<td style="width: 52px;"> 7
−
| style="width: 54px;" | I
+
</td>
−
| style="width: 219px;" | For I2S0 Microphone Bias Voltage
+
<td style="width: 198px;"> I2S1_BCLK_3.3
−
|-
+
</td>
−
| style="width: 55px;" | 13
+
<td style="width: 49px;"> I
−
| style="width: 156px;" | I2S0_I2C_DAT
+
</td>
−
| style="width: 54px;" | I/O
+
<td style="width: 260px;"> I2S1 Bit Clock
−
| style="width: 219px;" | I2S0 I2C Data
+
</td></tr>
−
|-
+
<tr>
−
| style="width: 55px;" | 14
+
<td style="width: 52px;"> 8
−
| style="width: 156px;" | GND
+
</td>
−
| style="width: 54px;" | &nbsp;
+
<td style="width: 198px;"> AUD1_MCK
−
| style="width: 219px;" | Ground
+
</td>
−
|-
+
<td style="width: 49px;"> I
−
| style="width: 55px;" | 15
+
</td>
−
| style="width: 156px;" | N/A
+
<td style="width: 260px;"> Audio1 Master Clock
−
| style="width: 54px;" | &nbsp;
+
</td></tr>
−
| style="width: 219px;" | Not Applicable
+
<tr>
−
|-
+
<td style="width: 52px;"> 9
−
| style="width: 55px;" | 16
+
</td>
−
| style="width: 156px;" | I2S0_HP_R
+
<td style="width: 198px;"> N/A
−
| style="width: 54px;" | I
+
</td>
−
| style="width: 219px;" | I2S0 Right Headphone
+
<td style="width: 49px;"> &#160;
−
|-
+
</td>
−
| style="width: 55px;" | 17
+
<td style="width: 260px;"> Not Applicable
−
| style="width: 156px;" | I2S0_MIC_IN
+
</td></tr>
−
| style="width: 54px;" | I
+
<tr>
−
| style="width: 219px;" | I2S0 Microphone IN
+
<td style="width: 52px;"> 10
−
|-
+
</td>
−
| style="width: 55px;" | 18
+
<td style="width: 198px;"> GND
−
| style="width: 156px;" | GND
+
</td>
−
| style="width: 54px;" | &nbsp;
+
<td style="width: 49px;"> &#160;
−
| style="width: 219px;" | Ground
+
</td>
−
|-
+
<td style="width: 260px;"> Ground
−
| style="width: 55px;" | 19
+
</td></tr>
−
| style="width: 156px;" | GND
+
<tr>
−
| style="width: 54px;" | &nbsp;
+
<td style="width: 52px;"> 11
−
| style="width: 219px;" | Ground
+
</td>
−
|-
+
<td style="width: 198px;"> I2S1_I2C_CLK
−
| style="width: 55px;" | 20
+
</td>
−
| style="width: 156px;" | I2S0_HP_L
+
<td style="width: 49px;"> I
−
| style="width: 54px;" | I
+
</td>
−
| style="width: 219px;" | I2S0 Left Headphone
+
<td style="width: 260px;"> I2S1 I2C clock input from host.
−
|}
+
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 12
 +
</td>
 +
<td style="width: 198px;"> MIC_BIAS2
 +
</td>
 +
<td style="width: 49px;"> I
 +
</td>
 +
<td style="width: 260px;"> For I2S1 Microphone Bias Voltage
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 13
 +
</td>
 +
<td style="width: 198px;"> I2S1_I2C_DAT
 +
</td>
 +
<td style="width: 49px;"> I/O
 +
</td>
 +
<td style="width: 260px;"> I2S1 I2C Data
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 14
 +
</td>
 +
<td style="width: 198px;"> GND
 +
</td>
 +
<td style="width: 49px;"> &#160;
 +
</td>
 +
<td style="width: 260px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 15
 +
</td>
 +
<td style="width: 198px;"> N/A
 +
</td>
 +
<td style="width: 49px;"> &#160;
 +
</td>
 +
<td style="width: 260px;"> Not Applicable
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 16
 +
</td>
 +
<td style="width: 198px;"> I2S1_HP_R
 +
</td>
 +
<td style="width: 49px;"> I
 +
</td>
 +
<td style="width: 260px;"> I2S1 Right Headphone
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 17
 +
</td>
 +
<td style="width: 198px;"> I2S1_MIC_IN
 +
</td>
 +
<td style="width: 49px;"> I
 +
</td>
 +
<td style="width: 260px;"> I2S1 Microphone IN
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 18
 +
</td>
 +
<td style="width: 198px;"> GND
 +
</td>
 +
<td style="width: 49px;"> &#160;
 +
</td>
 +
<td style="width: 260px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 19
 +
</td>
 +
<td style="width: 198px;"> GND
 +
</td>
 +
<td style="width: 49px;"> &#160;
 +
</td>
 +
<td style="width: 260px;"> Ground
 +
</td></tr>
 +
<tr>
 +
<td style="width: 52px;"> 20
 +
</td>
 +
<td style="width: 198px;"> I2S1_HP_L
 +
</td>
 +
<td style="width: 49px;"> I
 +
</td>
 +
<td style="width: 260px;"> I2S1 Left Headphone
 +
</td></tr></table>
  
 
=== '''Audio Test''' ===
 
=== '''Audio Test''' ===

Revision as of 09:49, 17 March 2026

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.

RTENOTITLE

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

RTENOTITLE

 

AUDIO MIC1/OUT1（Compatible with ROM-EG57）

HW Pin Header

<img src="/wiki/images/9/9f/AOM-DB3500_AUDIO_1.png" _fck_mw_filename="AOM-DB3500 AUDIO 1.png" width="700" height="600" _fck_mw_origimgwidth="1075" _fck_mw_origimgheight="1001" alt="AOM-DB3500 AUDIO 1.png" title="AOM-DB3500 AUDIO 1.png" style="vertical-align:middle;" /><img src="/wiki/images/7/7e/AOM-DB3500_AUDIO_PIn_header.png" _fck_mw_filename="AOM-DB3500 AUDIO PIn header.png" _fck_mw_origimgwidth="403" _fck_mw_origimgheight="379" alt="RTENOTITLE" title="RTENOTITLE" style="vertical-align:middle;" />

I2S0 Connector Pin Definition
Pin Signal I/O Description
1 I2S0_VDDA   I2S0 3.3V source
2 GND   Ground
3 I2S0_VDDA   I2S0 3.3V source
4 I2S0_SDIN_3.3 I I2S0 Serial Data IN 3.3V Level
5 I2S0_SDOUT_3.3 O I2S0 Serial Data OUT 3.3V Level
6 I2S0_LRCK_3.3 I I2S0 Left/Right Clock
7 I2S0_BCLK_3.3 I I2S0 Bit Clock
8 AUD0_MCK I Audio0 Master Clock
9 N/A   Not Applicable
10 GND   Ground
11 I2S0_I2C_CLK I I2S0 I2C clock input from host.
12 MIC_BIAS1 I For I2S0 Microphone Bias Voltage
13 I2S0_I2C_DAT I/O I2S0 I2C Data
14 GND   Ground
15 N/A   Not Applicable
16 I2S0_HP_R I I2S0 Right Headphone
17 I2S0_MIC_IN I I2S0 Microphone IN
18 GND   Ground
19 GND   Ground
20 I2S0_HP_L I I2S0 Left Headphone

AUDIO MIC2/OUT2（Compatible with ROM-EG57）

HW Pin Header

<img src="/wiki/images/8/89/AOM-DB3500_AUDIO2.png" _fck_mw_filename="AOM-DB3500 AUDIO2.png" width="700" height="600" _fck_mw_origimgwidth="1084" _fck_mw_origimgheight="1009" alt="AOM-DB3500 AUDIO2.png" title="AOM-DB3500 AUDIO2.png" style="vertical-align:middle;" /><img src="/wiki/images/7/7e/AOM-DB3500_AUDIO_PIn_header.png" _fck_mw_filename="AOM-DB3500 AUDIO PIn header.png" _fck_mw_origimgwidth="403" _fck_mw_origimgheight="379" alt="RTENOTITLE" title="RTENOTITLE" style="vertical-align:middle;" />

I2S1 Connector Pin Definition
Pin Signal I/O Description
1 I2S1_VDDA   I2S1 3.3V source
2 GND   Ground
3 I2S1_VDDA   I2S1 3.3V source
4 I2S1_SDIN_3.3 I I2S1 Serial Data IN 3.3V Level
5 I2S1_SDOUT_3.3 O I2S1 Serial Data OUT 3.3V Level
6 I2S1_LRCK_3.3 I I2S1 Left/Right Clock
7 I2S1_BCLK_3.3 I I2S1 Bit Clock
8 AUD1_MCK I Audio1 Master Clock
9 N/A   Not Applicable
10 GND   Ground
11 I2S1_I2C_CLK I I2S1 I2C clock input from host.
12 MIC_BIAS2 I For I2S1 Microphone Bias Voltage
13 I2S1_I2C_DAT I/O I2S1 I2C Data
14 GND   Ground
15 N/A   Not Applicable
16 I2S1_HP_R I I2S1 Right Headphone
17 I2S1_MIC_IN I I2S1 Microphone IN
18 GND   Ground
19 GND   Ground
20 I2S1_HP_L I I2S1 Left Headphone

Audio Test

Get sound card ID

# 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

Record

Take Card ID 0 for example: 

# CARD_ID=0
# arecord -c 2 -Dplughw:$CARD_ID,0 -f S16_LE -r 16000 -d 10 -t wav 
test.wav  

 

Playback.

Take Card ID 0 for example: 

# CARD_ID=0
# arecord -c 2 -Dplughw:$CARD_ID,0 -f S16_LE -r 16000 -d 10 -t wav 
test.wav

See details of the usage of “aplay”:  

# aplay --help
… …
-D, --device=NAME select PCM by name
-t, --file-type TYPE file type (voc, wav, raw or au)
… …

 

RKTool指令：

# cat /proc/asound/cards
# /tools/test/adv/audio/audio_record_test.sh 0
# /tools/test/adv/audio/audio_play_test.sh 0

RTENOTITLE RTENOTITLE

Retrieved from "https://ess-wiki.advantech.com.tw/wiki/index.php?title=AOM-3841_AUDIO_MIC1/OUT1_%26_MIC2/OUT2&oldid=42071"