Hi,
I have been using my stuff in my advanced wildlife id course at the U of
Alberta for several years. I only record the narration on the right track -
leaving the left either with a call or blank. The students really like
this. They can start to learn the stuff with the narration then switch it
off. After that they can go to shuffle play and get the sounds in random
order without narration. From the feedback I get from them it is working
very well. Of course maybe they like it so much because they have it in
their power to "shut me up"
Barb Beck
Edmonton
-----Original Message-----
From: Walter Knapp
Sent: October 18, 2002 4:00 PM
To:
Subject: Re: [Nature Recordists] Single or group for ID? was: Digital
over mod?
Marty Michener wrote:
> At 08:59 PM 10/17/02 -0400, you wrote:
>
>>The question I have is do we use ID clips that include the
>>multi-individual call sounds or just the "pure" single calls. We are
>>going to have all out frog chorus tracks as well just to make sure it's
>>completely confusing. But we start out being semi nice with just the
>>single species calls. Or as close to that as luck and filtering can do.
>>
>>Walt
>>
>
>
> Good question, Walt! My experience is that even trained ears have a
> problem relating single source sounds to choruses. I have been in the
> field numerous times when a single frog or toad called and then had very
> experienced naturalists ask me: What was that!!?? So for anuran sounds I
> would have both available for every species, where possible.
We are trying to make a average for ID calls of no more than 30 seconds,
with a max of 30 seconds for the narration for each. And probably the
narration will be a lot less than that. With the number of frogs in
Georgia that will give us somewhat over half the CD left for chorus tracks.
For toads with their long calls, that's not a whole lot of room.
Most state frog ID recordings like this seem to run through the ID clips
twice, first time with narration, second time "testing". With little in
the way of chorus recordings. From the beginning we decided on one round
of ID and then go into mixed chorus. Currently we are planning the
chorus section to go in a seasonal order, no narration there, maybe not
even much intertrack time. There will be a accompanying booklet, which
will discuss each chorus and it's more or less the "test" tracks, or
just to listen to. The people I'm working with are not used to mastering
CD (neither am I really), and tend to think and talk like tape. I've
been handed the additional task of keeping them thinking CD, there are
differences.
I've got a meeting next week where the question on the toads will come
up as we will be reviewing the first cut on them, I'll raise it. Just
thought I'd ask here too.
I should relate here, there's a expert on bog plants who's also a good
herpetologist very familiar with frogs. He often works the Florida
Panhandle and Southern Alabama, where the Pine Barrens Treefrog was only
recently discovered. He was asked how he missed them in the 20 or 30
years he'd been working the bogs they were in doing plants before they
were discovered. He figured it was all a matter of focus, he was looking
at plants and his mind just took the easy route and said Green Treefrogs
(similar call, very common). That also says something about how hard it
is to accidentally see some of these frogs. So, even experts can be
easily fooled.
Walt
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