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products:sbc:vim3:applications:earc

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products:sbc:vim3:applications:earc [2023/11/08 21:29]
nick
products:sbc:vim3:applications:earc [2023/11/08 23:08] (current)
sravan
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 ===== Introduction ===== ===== Introduction =====
  
-The ''eARC (Enhanced Audio Return Channel)'' is a feature implemented in the latest HDMI 2.1 specification, the biggest advantage is that it exceedingly improves bandwidth and speed.  +eARC is a feature implemented in the latest HDMI 2.1 specification, This allows you to transmit high-quality audio from your TV to your Soundbar or AV receiver and is compatible with the high bitrate formats Dolby Atmos and DTS.
-This allows you to transmit high-quality audio from your TV to your Soundbar or AV receiver and is compatible with the high bitrate formats Dolby Atmos and DTS.+
  
-This documentation will guide you how to recored audio from ''eARC''.+This documentation will guide you how to record audio from the HDMI eARC channel.
  
 <WRAP important > <WRAP important >
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 ===== TV side setup ===== ===== TV side setup =====
  
-In order to use the ''eARC'' functuion, you need to make sure your TV supports the ''eARC'' function, in genericif the HDMI port on your TV has a ''eARC'' mark,\\ +In order to use the eARC function, you need to make sure your TV is also eARC capableIt is denoted by the eARC label on the HDMI Input.
-it means your TV supports eARC function, anyway you need to check with your TV vendor whether it supports or not.+
  
-You also need to enable the ''eARC'' function on your TV if it supports, you can check with the TV vendor about how to enable it.+You can also check with the TV vendor about how to enable it.
  
 ===== VIM3L side setup ===== ===== VIM3L side setup =====
  
-You also need to enable the 'eARC' RX function on VIM3L, you can follow the command below to enable 'eARCRX.+You also need to enable the eARC Receiver function on VIM3L, you can follow the command below to enable eARC RX.
  
 ```shell ```shell
-amixer cset name='ARC eARC RX enable' 1+amixer cset name='ARC eARC RX enable' 1
 ``` ```
  
-Check enable status:+Check its status if it's enabled:
  
 ```shell ```shell
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 ``` ```
  
-''values=on'' means ''eARC'' RX is enabled.+''values=on'' means eARC RX is enabled.
  
 ===== Hardware connection ===== ===== Hardware connection =====
  
-You need to use a HDMI 2.1 cable to connect VIM3L HDMI port to your TV HDMI IN port with ''eARC'' function.+You need to use a HDMI 2.1 cable to connect VIM3L HDMI port to your TV HDMI Input with eARC function.
  
 ===== Check eARC status ===== ===== Check eARC status =====
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 ``` ```
  
-  * values=2 Device work on eARC +^ Value ^ Status ^ 
-  values=1 Device work on ARC +|''values=2''Device work on eARC | 
-  values=1 - ARC/eARC not connected +|''values=1''Device work on ARC | 
- +|''values=0''ARC/eARC not connected |
-If your setup is correct, it should be ''values=2'' which means work on ''eARC''.+
  
 +If your setup is correct, it should be ''values=2'' which means work on eARC.
  
 <WRAP tip > <WRAP tip >
-You can also try to unplug/replugin HDMI cable to check.+You can also try to unplug/replug HDMI cable to check.
 </WRAP> </WRAP>
  
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 ``` ```
  
-The ''card 0, device 6'' device is the ''eARC'' device. You can record audio with the command below:+The ''card 0, device 6'' device is the eARC device. You can record audio with the command below:
  
 ```shell ```shell
Last modified: 2023/11/08 21:29 by nick