@sami can you download these 'songs' - tests and check if it is really working like it should?
1: http://up.muub.net/d/503d/left_noise_right_silence.mp3.html 2: http://up.muub.net/d/7d69/left_silence_right_noise.mp3.html 3: http://up.muub.net/d/ab13/left_sine_bass_right_noise.mp3.html just like the titles of songs are saying: 1: have left channed filled with pink noise, right channel have nothing (is silent) 2: have left channel filled with nothing(is silent), right have pink noise 3: have left channel filled with sine and bass, right have pink noise if you can hear anything from the external woofer in examples 1 and 2 then it is not working if you can hear anything else than bass from the external woofer in the example 3 then it is not working and if you can hear both sine and bass and pink noise from example 3 then that means it is mixing both channel same applies to examples 1 and 2 - if you can hear pink noise from woofer then it is playing frequencies from left / right channel which it shouldnt ps. ive posted links to audios - not sure if i can add such attachments (each have 2mb or so) - if ive done wrong then sorry -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040873 Title: [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound at all: Subwoofer not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs