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7. Re: LS-10 operational question - UPDATE

Subject: 7. Re: LS-10 operational question - UPDATE
From: "Michael Oates" msohooates
Date: Fri Feb 20, 2009 10:34 pm ((PST))
Vicki,

Thanks for that, yes PiP is off on my recorder.

I have also ruled out the idea of the IR remote being a cause, it isn't.

Mike

>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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