Re: mSBC codec issue on a headset

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On Wed, Mar 8, 2017 at 11:21 AM, Frédéric Dalleau
<frederic.dalleau@xxxxxxxxxxxxxxx> wrote:
> Hi Juha,
>
>> My problem is that the Jabra headset starts adding noise to the audio
>> output after a period, while the LG headset works a-ok for prolonged
>> periods of time.
>>
>> My test is about 13s long wave file that is being looped. On Jabra the
>> noise always starts at about 25s (could be right at the edge of the
>> loop, hard to tell) and never goes away.
>
>
> Some kind of description of the noise you hear could help.

Certainly. I have been trying to record them off the headset but it is
proving to be surprisingly difficult.

Best way to describe it is as "sizzling", like fat in a pan.

> If it looks like (hear like) small gaps are inserted between packets, this
> could indicates timing issues ? If it hear like the audio data are wrong,
> this could indicate codec issues.

I am trying to ascertain which one it is. I certainly have timing
issues also, they come across as clearer clicks and pops, as I would
expect, the sizzle is constant.

The clicks and pops I can also hear on the LG headset.

I will try to record it, just seeing the signal should give a good
idea whether they are frame gaps or something else.

Thanks for your comments!

 - Juha
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