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Thread: Dell Inspiron 1440 - external microphone not working

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  1. #1
    Join Date
    Nov 2008
    Beans
    8

    Dell Inspiron 1440 - external microphone not working

    Hi there,
    I recently installed Kubuntu 9.10 Beta on my brothers Dell Inspiron laptop. Everything works just perfect, except for microphone. There is no built-in microphone on the notebook, so we have to use external microphone when using Skype etc. However I can't get it working. I also installed Pulse audio packages and tried to play with PulseAudio Device Chooser, but it seems it doesn't detect the microphone. I checked AlsaMixer and I put all the devices to 100% volume, but didn't help.
    Here is my amixer output:

    Code:
    Simple mixer control 'Master',0
      Capabilities: pvolume pvolume-joined pswitch pswitch-joined
      Playback channels: Mono                                    
      Limits: Playback 0 - 64                                    
      Mono: Playback 34 [53%] [-22.50dB] [on]                    
    Simple mixer control 'Headphone',0                           
      Capabilities: pvolume pswitch                              
      Playback channels: Front Left - Front Right                
      Limits: Playback 0 - 64                                    
      Mono:                                                      
      Front Left: Playback 64 [100%] [0.00dB] [on]               
      Front Right: Playback 64 [100%] [0.00dB] [on]              
    Simple mixer control 'PCM',0                                 
      Capabilities: pvolume                                      
      Playback channels: Front Left - Front Right                
      Limits: Playback 0 - 255                                   
      Mono:                                                      
      Front Left: Playback 254 [100%] [0.20dB]                   
      Front Right: Playback 254 [100%] [0.20dB]                  
    Simple mixer control 'Front Mic',0                           
      Capabilities: cvolume cswitch                              
      Capture channels: Front Left - Front Right                 
      Limits: Capture 0 - 31                                     
      Front Left: Capture 31 [100%] [12.00dB] [on]               
      Front Right: Capture 31 [100%] [12.00dB] [on]              
    Simple mixer control 'Line In',0                             
      Capabilities: cvolume cswitch                              
      Capture channels: Front Left - Front Right                 
      Limits: Capture 0 - 31                                     
      Front Left: Capture 31 [100%] [12.00dB] [on]               
      Front Right: Capture 31 [100%] [12.00dB] [on]              
    Simple mixer control 'Mic Jack Mode',0                       
      Capabilities: enum                                         
      Items: 'Mic In' 'Line In'                                  
      Item0: 'Mic In'                                            
    Simple mixer control 'Mono Mux',0                            
      Capabilities: enum                                         
      Items: 'DAC0' 'DAC1' 'Mixer'                               
      Item0: 'DAC0'                                              
    Simple mixer control 'Capture',0                             
      Capabilities: cvolume cswitch                              
      Capture channels: Front Left - Front Right                 
      Limits: Capture 0 - 15                                     
      Front Left: Capture 15 [100%] [22.50dB] [on]               
      Front Right: Capture 15 [100%] [22.50dB] [on]              
    Simple mixer control 'Capture',1                             
      Capabilities: cvolume cswitch                              
      Capture channels: Front Left - Front Right                 
      Limits: Capture 0 - 15                                     
      Front Left: Capture 15 [100%] [22.50dB] [on]               
      Front Right: Capture 15 [100%] [22.50dB] [on]              
    Simple mixer control 'Amp',0                                 
      Capabilities: cvolume                                      
      Capture channels: Front Left - Front Right                 
      Limits: Capture 0 - 3                                      
      Front Left: Capture 3 [100%] [30.00dB]                     
      Front Right: Capture 3 [100%] [30.00dB]                    
    Simple mixer control 'DAC0',0                                
      Capabilities: cvolume cswitch                              
      Capture channels: Front Left - Front Right                 
      Limits: Capture 0 - 31
      Front Left: Capture 31 [100%] [12.00dB] [on]
      Front Right: Capture 31 [100%] [12.00dB] [on]
    Simple mixer control 'DAC1',0
      Capabilities: cvolume cswitch
      Capture channels: Front Left - Front Right
      Limits: Capture 0 - 31
      Front Left: Capture 31 [100%] [12.00dB] [on]
      Front Right: Capture 31 [100%] [12.00dB] [on]
    Simple mixer control 'Digital',0
      Capabilities: cvolume
      Capture channels: Front Left - Front Right
      Limits: Capture 0 - 120
      Front Left: Capture 120 [100%] [30.00dB]
      Front Right: Capture 120 [100%] [30.00dB]
    Simple mixer control 'Digital Input Source',0
      Capabilities: enum
      Items: 'Analog Inputs' 'Digital Mic 1' 'Digital Mic 2'
      Item0: 'Digital Mic 1'
    Simple mixer control 'Digital Input Source',1
      Capabilities: enum
      Items: 'Analog Inputs' 'Digital Mic 1' 'Digital Mic 2'
      Item0: 'Analog Inputs'
    Simple mixer control 'PC Beep',0
      Capabilities: pvolume pvolume-joined pswitch pswitch-joined
      Playback channels: Mono
      Limits: Playback 0 - 3
      Mono: Playback 3 [100%] [0.00dB] [on]
    Simple mixer control 'Speaker',0
      Capabilities: pvolume pswitch
      Playback channels: Front Left - Front Right
      Limits: Playback 0 - 64
      Mono:
      Front Left: Playback 64 [100%] [0.00dB] [on]
      Front Right: Playback 64 [100%] [0.00dB] [on]
    Any help would be appreciated.

  2. #2
    Join Date
    Nov 2008
    Beans
    10

    Re: Dell Inspiron 1440 - external microphone not working

    That is really funny, because to me is happening the other way around. I have ubuntu on xps m1530 and the external mic works flawlessly, what it does not work is when I connect the any mic which is supported because I have use it before on other distros, it does not work.

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