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6. Re: LS-10 operational question - UPDATE

Subject: 6. Re: LS-10 operational question - UPDATE
From: "Vicki Powys" vpowys
Date: Fri Feb 20, 2009 11:47 am ((PST))
All,

The only time I have experienced clicks with my much-used LS-10 was  
once when I mistakenly had the menu set to provide PIP to the mic,  
and the mic already had its own power supply (i.e. ME67 & AA  
battery).  I turned off the PIP and no longer got any clicks.

Vicki Powys
Australia



On 21/02/2009, at 4:16 AM, Michael Oates wrote:

> Bernie,
>
> Do you know if the IR remote was plugged in?
>
> The pops I am getting are also not equal. And it is definelty not  
> the internal mics as I
> only use external mics with their own power.
>
> Mike
>
>> We went into the field again yesterday AM and found the same pop and
>> click issue with the same
>> device that introduced it a few weeks ago. While I believe now that
>> the problem is internal, the pops are not equal level across both
>> channels. I. e. one channel contains a "click" at a higher level than
>> the other. So it's probably not the (internal) mics.
>>
>> Also, yesterday, we got  a serious sampling error (loud electronic
>> noise overload across both channels) that lasted about 2 seconds.  
>> This
>> is all very curious. Olympus tech support has offered to change out
>> the unit so we hope that will eliminate the problem. Stay tuned...
>>
>> Bernie
>>
>> On Feb 20, 2009, at 6:38 AM, Philip Tyler wrote:
>>
>>> Some people have reported that the LS10 'drifts'.
>>> It could be possible that these 'pops' could
>>> be as a result of this?
>>> Just a thought as I have had problems
>>> with digital gear where if the clocking isn't
>>> accurate enough you get 'pops' and 'clicks'
>>> as a result.
>>>
>>> Let's hope it is the remote that causes them!
>>>
>>> Phil
>>>
>>> On 20 Feb 2009, at 14:07, "Michael Oates" <> wrote:
>>>
>>> Following up on this, I have had a few emails with Olympus support
>>> and I have even let them have some files to look at. They say that
>>> the recorder needs to go back for repair. Well to be honest I don't
>>> think so, seeing as there are a number of people having the same
>>> problem.
>>>
>>> Now a thought has just occurred to me: I am thinking that the  
>>> problem
>>> is one of the processor being interrupted while recording, but as
>>> this is a dedicated machine, how can it be interrupted. Then it came
>>> to me... I am sure that in the cases where I have had the pops, the
>>> IR remote has been connected. Not necessarily been in use, but
>>> plugged in. Perhaps the recorder is getting signals from that  
>>> causing
>>> the glitch?
>>>
>>> A long shot I know, but I want to ask all of you that have
>>> experienced these pops, did you also have the remote plugged in at
>>> the time?
>>>
>>> I am going to use the recorder with the remote taken off to see if
>>> that stops the pops.
>>>
>>> If this is not the case, or even if it is, I urge everyone to  
>>> contact
>>> support giving as much detail about the problem as you can. If we
>>> don't tell them, they are not going to do anything about it. This is
>>> a dammed fine recorder, and I really want to be able to use it
>>> reliably. The people here on this forum are more likely to spot  
>>> these
>>> pops as we tend to record rather quiet scenes. Someone recording a
>>> band at a concert will not notice anything!!!
>>>
>>> Thanks,
>>>
>>> Mike
>>>
>>> --- In  Michael Oates <>  
>>> wrote:
>>>>
>>>> Bernie,
>>>>
>>>> Unfortunately, I have also had some glitches, they can occur on
>>> either right or left but
>>>> never at the same time. The glitch is electronic in that is spread
>>> across the full
>>>> frequency spectrum and looks very similar to those you can get on
>>> the PC when your audio
>>>> editor gets interrupted by another process or when the latency is
>>> not setup correctly.
>>>>
>>>> I have produced a sonograph of a couple of typical pops here:
>>>> http://www.mikeoates.org/arl/misc/ls-10_pop.jpg
>>>> The left pop is 0.02 seconds in length while the one on the right
>>> is 0.01 seconds.
>>>>
>>>> I was thinking it may have been some electrical interference
>>> because the battery box I am
>>>> using for my external mics is not screened. In fact I am right now
>>> this weekend building
>>>> another one in a metal box in the hope that it solves the problem.
>>> Now I am wondering if
>>>> it will :(
>>>>
>>>> The glitch or pop sound has happened when recording inside in the
>>> warm and outside in
>>>> freezing conditions. It has also occurred at the two recording
>>> settings I use: 44.1kHz
>>>> 24bit and 96kHz 24bit. The image above is from a 96kHz recording.
>>>>
>>>> I should add that it only occurs on a small number of recordings,
>>> most are fine.
>>>>
>>>> I have also got another problem, that I can't replicate, it has
>>> happened just twice, in
>>>> that (again using the same battery box and external mics) the Left
>>> channel recorded at 6dB
>>>> lower. This is from the moment of starting that recording, even
>>> when I had just done
>>>> previous recordings that were fine and all I did was press stop,
>>> them start record again.
>>>>
>>>> I too am now rather concerned that there may be a fault with the
>>> machine. But as I only
>>>> ever use it with external mics, I have not been able to rule that
>>> part out yet.
>>>>
>>>> Regards,
>>>>
>>>> Mike
>>>>
>>>>> I haven't be following posts on the LS-10 closely so forgive if
>>> this
>>>>> is a repeat.
>>>>>
>>>>> A student of mine just purchased one on my recommendation and when
>>> we
>>>>> came back from a short field trip there were a number of
>>> disturbing
>>>>> pops and clicks in the clip that sounded electronic or like
>>> sampling
>>>>> errors. She was recording 44.1/24bit and was not overloading. Any
>>>>> similar experience with LS-10 owners in the group? If so, have
>>> you
>>>>> identified the problem?
>>>>>
>>>>> Bernie
>>>>>
>>>>>
>>>>> Wild Sanctuary
>>>>> POB 536
>>>>> Glen Ellen, CA 95442
>>>>> 707-996-6677
>>>>> http://www.wildsanctuary.com
>>>>> 
>>>>> Google Earth zooms: http://earth.wildsanctuary.com
>>>>> SKYPE: biophony
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>>
>>
>> Wild Sanctuary
>> POB 536
>> Glen Ellen, CA 95442
>> 707-996-6677
>> http://www.wildsanctuary.com
>> 
>> Google Earth zooms: http://earth.wildsanctuary.com
>> SKYPE: biophony
>>
>>
>>
>>
>>
>>
>
>
>
> ------------------------------------
>
> "While a picture is worth a thousand words, a
> sound is worth a thousand pictures." R. Murray Schafer via Bernie  
> Krause
> Yahoo! Groups Links
>
>
>







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