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                    2019
                
            
            
                12 Dec
                
                '19
                
            
            
            
        
    
                1:23 p.m.
            
        On Thu, Dec 12, 2019 at 10:46:31AM +0000, Alison Wang wrote:
We tested this standard solution using gstreamer and standard ALSA tools like aplay, arecord and all these tools unmute needed blocks successfully.
[Alison Wang] I am using aplay. Do you mean I need to add some parameters for aplay or others to unmute the outputs?
Use amixer.