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Re: Bat detector narration

Subject: Re: Bat detector narration
From: "Dan Dugan" dandugan_1999
Date: Thu Mar 31, 2016 8:52 pm ((PDT))
Each channel has its own PIP powering.

-Dan

> On Mar 31, 2016, at 2:01 PM, Peter Shute  [naturerecordi=
sts] <> wrote:
>
> Just had a thought- is it safe to use PiP now that the attenuator's built=
 into the cable? I can't use the mic without it, but now the attenuator and=
 bat detector are on the other channel. So there's a 100 ohm resistor acros=
s one channel. Is it a problem?
>
> Peter Shute
>
> Sent from my iPad
>
> On 31 Mar 2016, at 6:09 PM, Peter Shute <=
uw.org.au> [naturerecordists] <<natu=
>> wrote:
>
>
>
> Yes, a very dumb mistake. I plugged them both in on the off chance it mig=
ht work. I tapped the mic, and saw the level meters move. I tapped the dete=
ctor, and saw them move again. But of course they were just registering the=
 sound of the detector's *speaker* via the microphone!
>
> I've just finished the attenuating cable, and it's all working nicely now=
 via the mic jack. Thanks for your help, everybody.
>
> Peter Shute
>
> Sent from my iPad
>
> On 31 Mar 2016, at 7:28 AM, Dan Dugan <=
n.com><> [naturerecordists] <=
roups.com<><naturerecordists@=
yahoogroups.com>> wrote:
>
>
>
> That=92s normal for portable recorders. I was scratching my head when you=
 reported mixing=85
>
> -Dan
>
>> On Mar 30, 2016, at 3:28 AM, Peter Shute <pshute=
@nuw.org.au><> [naturerecordists] <naturerecordists=
@yahoogroups.com<><naturereco=
>> wrote:
>>
>> I think it's time to give up on this idea of simultaneously recording fr=
om Mic and Line In sockets. I was mistaken, and it appears the Mic socket t=
akes precedence.
>>
>> Peter Shute
>>
>> Sent from my iPad
>>
>> On 30 Mar 2016, at 8:49 PM, Peter Shute <pshute@=
nuw.org.au><><m("nuw.org.au","pshute");">> [naturereco=
rdists] <<=
ps.com><><m("ya","naturerecordists");=">=
hoogroups.com>> wrote:
>>
>>
>>
>> Something I've noticed is that a mic wired to right channel only shows s=
ome cross talk to the left channel in the M10's meters. I haven't checked t=
o see if it'll be audible, but I suspect not. I didn't notice similar cross=
 talk on the line in input. If this cross talk normal for the M10?
>>
>> Peter Shute
>>
>> Sent from my iPad
>>
>> On 29 Mar 2016, at 8:51 PM, Peter Shute <pshute@=
nuw.org.au><><m("nuw.org.au","pshute");">><pshu=
> [naturerecordists] <<mailto:=
><><=
><m("yahoogroup","naturerecordists");=">=
s.com>> wrote:
>>
>>
>>
>> It appears that I may not need anything this complicated. I just tried t=
he detector plugged into Line In of the M10, and the microphone simultaneou=
sly plugged into the mic jack, and it recorded from both. Is that the usual=
 thing with recorders that you can do that? So it appears all I have to do =
is wire up the microphone so it only feeds the right track, as the mono soc=
ket I fitted to the bat detector is already feeding that only to the left.
>>
>> Peter Shute
>>
>> Sent from my iPad
>>
>> On 28 Mar 2016, at 4:25 AM, Dan Dugan <=
an.com><><m("dandugan.com","dan");">><m("dandug","dan");=">=
an.com><> [naturerecordists] <=
groups.com<><naturerecordists=
@yahoogroups.com><><naturerec=
><>> wrote:
>>
>>
>>
>> I=92d suggest building an attenuating cable.
>>
>> 33K on the input shunted to ground with 100 ohms will give you 50 dB of =
attenuation.
>>
>> -Dan
>>
>>> On Mar 26, 2016, at 11:26 PM, Peter Shute <pshu=
><><m("nuw.org.au","pshute");">><p=
><> [naturerecordists] <naturerecor=
<><natur=
><><mailt=
o:><=
>> wrote:
>>>
>>> Thanks, Dan. The Shure A15LA is XLR to XLR. I need to connect 3.5mm to =
Message: 3.
Subject: 5mm, so I'd need adapters too, making it quite bulky. Looking at the 
simp=
le circuit design on the side of the barrel, I might be better off just add=
ing a couple of resistors inside the bat detector. But maybe that type of a=
ttenuator would prevent it being able to drive its own speaker? If so, I gu=
ess I could monitor via the recorder output instead.
>>>
>>> I saw a page suggesting 33k ohms in series, with 100 ohms in parallel w=
ould reduce it by 50dB. Sound right?
>>>
>>> Peter Shute
>>>
>>> Sent from my iPhone
>>>
>>> On 27 Mar 2016, at 9:56 AM, Dan Dugan <=
gan.com><><m("dandugan.com","dan");">><m("dandu","dan");=">=
gan.com><><m("dandugan.com","dan");">> [naturerecordist=
s] <<=
m><><m("yahoogr","naturerecordists");=">=
oups.com><><naturerecordists@=
yahoogroups.com><>> wrote:
>>>
>>>
>>>
>>> Direct boxes are generally intended to connect a high-impedance input l=
ike an electric guitar to a low-impedance balanced mic input.
>>>
>>> The best solution for line-to-mic is an XLR attenuator barrel designed =
for that purpose-meaning instead of 10 or 20 dB attenuation it has 40 or 50=
. Shure A15LA, 50 dB.
>>>
>>> -Dan
>>>
>>> On Mar 25, 2016, at 11:15 AM, <=
waii.rr.com><><m("hawaii.rr.com","benedict");">><=
><m("hawaii.rr.com","benedict");">><benedi=
> [naturerecordists] <<mail=
to:><=
m><><m("yahoogr","naturerecordists");=">=
oups.com><><naturerecordists@=
yahoogroups.com>> wrote:
>>>
>>>
>>>
>>> It's new to me, too, so someone please point out where I'm wrong.
>>>
>>> You're looking for whats called a "direct box". It lets you plug a line=
 level signal in one end, and get a mic level signal out the other.
>>>
>>> If you do a Google search on "line in to mic in converter" you get a bu=
nch of info on direct boxes, as well as schematics for building your own. T=
he schematics run the gamut from simple voltage dividers to transformers to=
 op-amp driven circuits. The direct boxes also run the gamut from XLR-to-TS=
, 1/8"-to-1/8", single channel, dual channel, etc. So you can either build =
your own or buy one off the shelf, regardless of what your setup is.
>>>
>>> Good news is these are common tools in the music industry, so if you ha=
ve a music store in town they're likely to have an assortment to choose fro=
m. Even better, you can bring your bat gear (which you get extra points for=
 if you wear on your Bat Belt), and test it out.
>>>
>>> Cheers,
>>>
>>> Tom
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> ------------------------------------
>>> Posted by: Peter Shute <<><mai=
lto:><><m("nuw.org.au","pshute");">><=
>>
>>> ------------------------------------
>>>
>>> "While a picture is worth a thousand words, a
>>> sound is worth a thousand pictures." R. Murray Schafer via Bernie Kraus=
e.
>>>
>>>
>>> ------------------------------------
>>>
>>> Yahoo Groups Links
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------------
>> Posted by: Peter Shute <<><mail=
to:>>
>> ------------------------------------
>>
>> "While a picture is worth a thousand words, a
>> sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause=
.
>>
>>
>> ------------------------------------
>>
>> Yahoo Groups Links
>>
>>
>>
>
>
>
>
>
>
>
> ------------------------------------
> Posted by: Peter Shute <>
> ------------------------------------
>
> "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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