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Play audio over an active phone call, so other end can hear it

Tags:

android

A and B are talking on the phone. During the call, A presses a button that pulls audio from a resource and plays it over the phone call to B.

Is this possible using the Android framework? The goal is for the person on the other end of the call to hear the audio.

If it's not possible, is it a hardware limitation or a limit of the Android framework?

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user991429 Avatar asked May 16 '13 08:05

user991429

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How do you play music in call so that other person can hear?

Turn on the hands free function of your phone. Create a media player, set the media source, set the volume to 1.0f (highest) and call player. start() . If the microphone and speakers on the phone are of reasonable quality, the other party to the call will hear the music.

How can we hear each other through the phone?

A microchip in the phone modulates (or varies) a radio wave using the electrical signal. The radio wave travels through the air to a nearby cell tower; the tower sends your voice to the person you are calling and the process is reversed so that the person on the other end can hear your voice.

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1 Answers

I believe that you cannot achieve that, according to the documentation HERE :

Note: You can play back the audio data only to the standard output device. Currently, that is the mobile device speaker or a Bluetooth headset. You cannot play sound files in the conversation audio during a call.

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Leeeeeeelo Avatar answered Nov 07 '22 16:11

Leeeeeeelo
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