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Caller echo

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echo
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    • C Offline
      C_moi
      last edited by 3 Apr 2021, 09:11

      Hi. When i call, sound is good for me (level a little too low), but people i talk to have an echo really unpleasant.
      I have read few topics about that but i am not able to fix this.
      Do you know if this is my phone or a bug with ubports? Does someone have an idea how to fix it?

      M K 2 Replies Last reply 3 Apr 2021, 09:37 Reply Quote 0
      • M Offline
        Markatrafik @C_moi
        last edited by Markatrafik 4 Mar 2021, 10:19 3 Apr 2021, 09:37

        @c_moi I have exactly the same situation, on the phone Xiaomi Redmi Note 7, at my side - no echo, but on the opposite side - a strong echo... this is not even an "echo", the incoming sound enters the outgoing channel completely with some big delay, as a result the other side hears himself clearly and distinctly, it is impossible to use it in real life... 😞

        C 1 Reply Last reply 3 Apr 2021, 11:53 Reply Quote 0
        • K Offline
          Keneda @C_moi
          last edited by 3 Apr 2021, 10:03

          @c_moi said in Caller echo:

          sound is good for me (level a little too low)

          For this problem, maybe you can solve it with uVolMan.
          For the echo i have no clue.

          2015-2023 : Meizu MX4 ☠️⚰️✝️
          2023-2024 : Nexus 5 ☠️⚰️✝️
          2024-***** : FPOS Fairphone 5 waiting UT for freedom 😉
          🇲🇫🇬🇧

          M 1 Reply Last reply 3 Apr 2021, 10:38 Reply Quote 0
          • M Offline
            Markatrafik @Keneda
            last edited by 3 Apr 2021, 10:38

            @keneda I've tried two methods of fighting this brutal echo:

            1. setprop persist.audio.fluence.voicecall false, both under root & phablet
            2. uVolMan, both: Main microphone volume, and Audio property:
              sink-input-by-media-role:phone
              nothing helps....
            1 Reply Last reply Reply Quote 0
            • C Offline
              C_moi @Markatrafik
              last edited by 3 Apr 2021, 11:53

              @markatrafik that is too bad! I really like ubports, and use only this... But embarrassing when people say they hear themselves... Do you thing that formating the phone and resinstall everything could help?

              M 1 Reply Last reply 3 Apr 2021, 12:08 Reply Quote 0
              • M Offline
                Markatrafik @C_moi
                last edited by Markatrafik 4 Mar 2021, 12:09 3 Apr 2021, 12:08

                @c_moi I am not a project developer at the moment and I can only assume that either this is a programming bug, or it is necessary to use some echo cancellation methods... in any case here we need the developers to take the Issue

                1 Reply Last reply Reply Quote 0
                • M Offline
                  Markatrafik
                  last edited by Markatrafik 4 Mar 2021, 19:10 3 Apr 2021, 19:08

                  I looked up what they say on the Internet, and found that in 2018 there was a similar problem with Sony phones.
                  The workaround was to turn off AEC (Acoustic Echo Cancellation) and NS (Noise Suppression) in the "vendor" stuff.
                  For example this link:
                  https://forum.xda-developers.com/t/the-echo-issue.3793902/
                  We have in Redmi Note 7, also this set of mechanisms in sound preprocessing, with the same UUIDs
                  I quote the file /vendor/etc/audio_effects.xml

                      <preprocess>
                          <stream type="voice_communication">
                              <apply effect="aec"/>
                              <apply effect="ns"/>
                          </stream>
                      </preprocess>
                  

                  Maybe this solution could help?

                  C 2 Replies Last reply 4 Apr 2021, 07:41 Reply Quote 0
                  • L Offline
                    lduboeuf
                    last edited by lduboeuf 4 Mar 2021, 21:50 3 Apr 2021, 21:49

                    maybe @vince1171 can give a clue ?

                    1 Reply Last reply Reply Quote 0
                    • C Offline
                      C_moi @Markatrafik
                      last edited by 4 Apr 2021, 07:41

                      @Markatrafik That sounds good... But I am not an computer scientist so I have no idea how to try to change this!

                      1 Reply Last reply Reply Quote 0
                      • C Offline
                        C_moi @Markatrafik
                        last edited by 4 Apr 2021, 07:59

                        @markatrafik https://github.com/ubports/ubuntu-touch/issues/861
                        There, someone seems to have a solution for similar problem...

                        M 1 Reply Last reply 4 Apr 2021, 14:14 Reply Quote 0
                        • M Offline
                          Markatrafik @C_moi
                          last edited by 4 Apr 2021, 14:14

                          @c_moi Very sorry! In my case at least ~ 50% of the echo problem was a smartphone-case

                          C 1 Reply Last reply 4 Apr 2021, 19:28 Reply Quote 0
                          • C Offline
                            C_moi @Markatrafik
                            last edited by 4 Apr 2021, 19:28

                            @markatrafik No problem, good for you!

                            M 1 Reply Last reply 9 Apr 2021, 04:35 Reply Quote 0
                            • M Offline
                              Markatrafik @C_moi
                              last edited by 9 Apr 2021, 04:35

                              @c_moi ... and yet the problem is not the phone case. I decided to return Android for now, restored backup of all partitions through TWRP, loaded Android, and decided to try this case, will this "echo" under Android. There is no echo, the caller not hear himself, even when this phonecase on the phone. BTW, some kind of problem with echo cancellation under UT!

                              1 Reply Last reply Reply Quote 0
                              • M Offline
                                ma
                                last edited by 3 Feb 2022, 11:44

                                There was recently a solution to this problem on the Pixel 3a. Can this solution also be implemented for the OP3(T)? Or was there already another solution here. Thanks.

                                1 Reply Last reply Reply Quote 0
                                • A Offline
                                  Alan Adale
                                  last edited by 26 Jun 2022, 00:29

                                  I have the "echo on the caller's end" problem also... I find using earbuds seems to solve the problem... ymmv.

                                  1 Reply Last reply Reply Quote 0
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