Problem using Google Now commands over bluetooth

[web1b]

When playing podcasts in my car with Pocketcasts, over Bluetooth, when I try to use Google Now, it automatically stops the audio, but not quickly enough. So, Google Now hears the last second or 2 of spoken audio from the podcast and reads it in as command instead of the command I'm speaking. I then have to tap the phone again and repeat the command for it to work.
Is there is anything that be done to either make the podcast audio stop faster or make Google Now wait for an extra second so there is time for the audio podcast to finish pausing?
The only workaround I have is to manually stop the podcast before using each voice command, but this is too much fiddling with the phone.
It is a Motorola G with stock Lollipop and it is only a problem when Bluetooth streaming. If I try the same thing with audio playing over the phone speakers, it works fine.

 

[hallux]

What you're not seeing, because you're only listening to audio, is that sometimes there is lag in the audio playback. This is because of the wireless transmission of the audio. How bad it is depends on the devices in question and possibly even the app.

I say possibly the app because I can watch a movie on my tablet and the audio is synced just fine but when I watch a video in the Facebook app it's not synced.

 

[web1b]

Is there any fix or workaround for this? Seems like setting Google voice search to have a 1 or 2 second delay before listening for commands whenever bluetooth audio is streaming would fix this issue. I can launch Siri from an iPhone while streaming bluetooth audio and it doesn't start listening until the bluetooth audio stops.
Would getting a hardware button to launch Google voice commands help this?
Not sure if a portable home button like this would work to launch Google voice search and deal with any lag streaming audio might take to pause.
It is made by Satechi. You pair it to your smartphone and clip it your steering wheel.