Call (voice) quality

asked 2014-02-17 12:26:35 +0300

restless_being
1443 ●10 ●11 ●14

http://natcam.pl/

updated 2014-03-07 11:21:34 +0300

Hi all!

How is your experiencie with voice quaility during a calls? I must say that in my case the sound quality is not good.

Updated on 07.03.2014:

A summary here:

• Seems that moving the phone (just slightly changing its position, while keeping the bottom mic close to my mouth) during a call can cause a significant drop in the sound quality/volume (on the interlocutor side).
• Some interlocutors reported to me that they completly couldn't hear me when I say something while they are talking. At the same time I can hear them.

• I did some mic tests using CSD tool and results vary. Sometimes the sound recorded is loud and clear, sometimes silent. Test procedure I did:

  a) start CSD tool

  b) phone in vertical position, start Audio Below Mic test, record sound, play it - it's loud and clear.

  c) phone in vertical position, start Audio Below Mic test, record sound, change phone position to horizontal, play it - voulme is loud then becomes low! seems that the top mic is used instead of the bottom one

  d) phone in vertical position, start Audio Below Mic test, record sound, play it - volume keeps to be low, and I can't get the sound volume as it was in b. Pressing the cover close to the led as it was suggested in comments doesn't help.

I was not able to do much tests with blueetooth head set. Just tried it twice and: 1. the sound was good, 2. in second case there was an issue with talking in the same time - the interlocutor was not able to understand anything while we were talking in the same time.

The above was originally reported as: 1. Interlocutors quite often report to me that they can't hear/understand me. Seems that I have to take care to have the phone really close to my mouth. Moving the phone few centimeters away from my mouth causes a significant drop in the sound volume (on the interlocutor side). I did some tests and while some phone positions (distances) don't make any difference in sound quality, when I use Xperia phone the same positions make a big negative difference in a call volume when I use Jolla. 2. Sometimes, during a call i stop hearing my interlocutor for a short while (0,5 second), and it repeats during a call 3. Some callers reported to me that they completly can't hear me when I say something while they are talking. At the same time I can hear them.

Additional info: It's a hard to debug, dynamic issue:

1. the problem is reported by others (few different people) so it's hard to say what they (don't) hear,
2. sometimes there's no problem, the sound is perfect (as they say),
3. I try to find a pattern, did some test calls and there were no problems. During other calls the problem was significant. My general feeling is that I have to take care about the phone position (close to my mouth) but even then I'm sometimes informed that an interlocutor doesn't hear me. It's not my first phone and I had never such issues with any other phone.

Is it a microphone problem, Jolla's "feature"? I also wonder if it might be caused by specific mic location in the bottom of the phone (it's so easy to cover it with a finger) and/or a very directional mic (when the phone is 90deg position - top by the ear, bottom by the nose then the sound is a disaster - interlocutor hears almost nothing. Xperia has no problem in this and other positions.)