[VoiceOps] Call Quality

[Mike Hammett]

*nods* When in the home office, I use my podcasting setup (headphones, dedicated mic, ran through some software to clean up a bit more.) 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 



----- Original Message -----

From: "mgraves mstvp.com" <mgraves at mstvp.com> 
To: "Mike Hammett" <voiceops at ics-il.net>, "Tim Bray" <tim at kooky.org> 
Cc: voiceops at voiceops.org 
Sent: Monday, June 14, 2021 4:53:27 PM 
Subject: RE: Call Quality 



Working for a conferencing company, we hear all about this. 

You’d think that acoustic echo cancellation was settled science, and you’d be wrong. There are so many bad quality speakerphones and conference phones. 

Further, so many software engineers (yes, you Google!) think they have some special insight. Their stuff is just as bad as others. Worse because it can be variable. 

Bottom line is, if you must hear and be heard well…when it really matters….use a headset. 


Michael Graves 
mgraves at mstvp.com 
o: (713) 861-4005 
c: (713) 201-1262 
sip:mgraves at mjg.onsip.com 



From: VoiceOps <voiceops-bounces at voiceops.org> On Behalf Of Mike Hammett 
Sent: Monday, June 14, 2021 4:46 PM 
To: Tim Bray <tim at kooky.org> 
Cc: voiceops at voiceops.org 
Subject: Re: [VoiceOps] Call Quality 


God, I hope customers don't hold their carriers responsible for inappropriate use of speakerphones. 





Yes, I'm sure the complaints received for the above are non-null. That's how much faith I have in customers. 



----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 



Midwest Internet Exchange 
http://www.midwest-ix.com 




----- Original Message -----


From: "Tim Bray via VoiceOps" < voiceops at voiceops.org > 
To: voiceops at voiceops.org 
Sent: Monday, June 14, 2021 4:36:55 PM 
Subject: Re: [VoiceOps] Call Quality 

On 14/06/2021 22:25, Mike Hammett wrote: 
> One of the concerns I heard was echo. On a purely digital call, what 
> would be the cause of echo? 

Echo, as in hearing yourself coming back with a delay? 

Sound flying from the speaker to the microphone at the far end. Dodgy 
speaker phone, poor plastic design of the phone, DSP not doing echo 
cancellation. Or too much end to end latency - if it is quick enough, 
you don't notice. Could be loads of things. 




Quite often with third party USB or bluetooth `speaker phones` 



-- 
Tim Bray 
Huddersfield, GB 
tim at kooky.org 

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