Resolving Problems With Android Calling Echo
Android has over a million applications available via the official Google Play Store and in here are a myriad different ways to call one another, often for free, over any distance providing we have an internet connection. And yet for some users there can be a terrible echo problem when using this technology, especially when the other person has us on speakerphone.
The problem manifests itself when using a non-phone app for calling. This includes applications such as Google Hangouts, Google Allo, Microsoft Skype, Tango, Whatsapp, and Facebook Messenger. When we talk to somebody, we hear ourselves right back. It’s as though the device at the other end of the call hears what we are saying through it’s own microphone and transmits this back to us… and it turns out that this is exactly what it’s doing! Or that the noise-cancelling microphone (shown above) has stopped working. But it’s not quite what you might think. It may be because the Google Voice Search has the “always listening” function enabled.
Curiously, the original Moto X (the handset that debuted the idea of an always-listening Google Now) and the second generation 2014 Moto X don’t have this problem. It appears that Motorola’s “special sauce” for the Moto X takes care of the handset listening in on what’s going on around it and it’s aware of a VoIP call (Voice over IP, or a voice call over an Internet connection) and takes care of this for us.
If you are having echo problems when calling somebody and they are using the speakerphone, ask them to disable the Google Voice Search Always Listening functionality. You can find this in the Google Feed screen, under Settings, Voice, ‘Ok Google’ detection, and toggle off the “From any screen” option.
SOURCE [Google Support Forum]