is there any way to detect just before a voice stream in android devices ?

[Android Central Question]

am created a sound recording app work with background service,i want to stop recording when any of app in device start audio stream ,like playing a music or voice out put from any app .i don't want to record when device itself outputting some voice.is there any way to detect any app in the device is going to output a voice through speaker.Advance Thanks

 

[Rukbat]

Not without a time machine. But if you delay recording by about 0.1 seconds, you can stop the instant other audio starts, stopping the actual recording just before it starts. (If you can't raise the bridge, lower the water.)