Static heard on all Google Voice calls on OBi202
LotharX:
Quote from: drgeoff on March 09, 2017, 11:05:51 am
You need to have both boxes unticked at the right hand end of the line before you can change the value for that line. You can put any integer values between 6 and -12 in those gain fields. Tx controls volume heard by you. Rx controls level of what the OBi receives from your microphone and sends to the other end of the call.
The red exclamation marks merely indicate that the values are no longer the default ones.
Ah, great, that's what I was missing, thanks.
Okay, I was now able to change the Tx setting all the way down to the minimum value of -12 (I also tried -10). I still hear the same scratchiness on OBiman.
Also, the exclamation points were there before I even starting playing around with the settings. I never changed the Rx setting at all (and didn't touch its checkboxes), and that field has an exclamation point. Does that mean anything significant?
drgeoff:
Quote from: LotharX on March 09, 2017, 11:16:21 am
I never changed the Rx setting at all (and didn't touch its checkboxes), and that field has an exclamation point. Does that mean anything significant?
That is strange and as per my edit to previous post the defaults are 0.
LotharX:
Quote from: drgeoff on March 09, 2017, 11:19:04 am
Quote from: LotharX on March 09, 2017, 11:16:21 am
I never changed the Rx setting at all (and didn't touch its checkboxes), and that field has an exclamation point. Does that mean anything significant?
That is strange and as per my edit to previous post the defaults are 0.
Very odd. The defaults I saw for Tx and Rx were -5 and -4, respectively.
Could those values have gotten changed automatically, in response to some detected problem with the connection?
azrobert:
Quote from: LotharX on March 09, 2017, 11:08:00 am
It was rather hard to evaluate though, because the sound of my voice coming out of my mouth made it hard to isolate the sound of my voice coming out of the phone. So I was hearing my voice from two different places (live vs. transmitted), if that makes sense.
You can put one handset by a TV or stereo. It might sound like you're in a tunnel, but you should be able to hear the scratchiness. It would be better to get another body on the other handset. I forgot to suggest unplugging the OBi202 from the network before testing.
LotharX:
Quote from: azrobert on March 09, 2017, 11:51:51 am
You can put one handset by a TV or stereo. It might sound like you're in a tunnel, but you should be able to hear the scratchiness. It would be better to get another body on the other handset. I forgot to suggest unplugging the OBi202 from the network before testing.
Great idea. I tried that using my home audio system, which is a surround 5.1 system. I set down the microphone of the corded phone right in front of the center channel speaker, then set the system to TV, and turned the stereo receiver's volume down to a level that approximated normal speech. I disconnected the Ethernet cable from the OBi202 (which I did do earlier, but thanks for mentioning that), and then dialed **0 so I could pick up on my cordless phone.
Then I took the cordless handset into a room where I could not hear the stereo speakers at all.
The sound was somewhat electronic, not like listening to a live human, but it was good enough so that I couldn't discern any scratchiness.
I then got the idea to reconnect the OBi202 to the network, then call a business I know that has an automated attendant answer the line (using the cordless phone). That sound was very clear.
What seems to be happening is that anytime I call a phone that has any sort of line noise (like calling somebody's cell phone, or calling somebody who doesn't have a very good telephone, or calling OBiman), the noise is getting "mixed into" the voice transmission, for lack of a better way to describe it. It causes the voice to become very scratchy and extremely annoying--bad enough so that I have a hard time understanding the whole conversation. If the other party has a crystal-clear telephone, then I don't hear the scratchiness.
So we're back to the question of how to fix it? Is there any other setting in the OBi202's dashboard that would be worth experimenting with?
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