Ok, re the DS-71 and the DM-520, , it is actually a tricky decision on one
hand, and a completely clear decision on the other. 

This is a very detailed post.

I have both units - which I am happy about, because as a conference speaker,
the DS-71 (like the DS-50) mic remote control and detachable mic option is
perfect for capturing my presentations. I can wire myself up, and just flick
the switch on the remote to start and stop recording - almost total
reliability that record has activated.

If, you have a DS-50, you can use its remote control and Mic with the DS-71.
You can not, however, use the DS-50 or DS-71 remote control on the DM-520!

The price I paid for the DS-71 was nearly double that of the DM-520, and in
many ways the DS-71 is an inferior product, using an older generation of
technology. I actually think someone stuffed up somewhere in releasing the
DS-71 when they did, it feels like a legacy product that was very delayed to
market.

Still speaking about the DS-71, the recording quality is pretty good, and
you do notice the Wave recording improvement over the DS50 and the WMA on
the DS-71.  However, it is not as good as the audio recording quality of the
DM-520, and has more noise floor and Mic preamp noise (I think).

In addition, the external stereo Microphone for the DS-71, though an
improvement on the DS-50 mic is definitely inferior to the in-built stereo
Mics of the DM-520, especially if you want to use any of the zoom recording
modes that The DS-71 offers. I don't actually believe that they fully tuned
the DS-71 mics for the Zoom technology. I would never use any of the zoom
options on the DS-71, but I do use them for some situations (especially
Narrow, and sometimes wide) on the DM-520.   

The narrow setting is good for keeping sounds localised, and the wide option
is good for spreading the left right mike pickup to catch several speakers
from a single location.

If you want to hear how the DM-520 Narrow zoom mic setting works in open air
situations, you can go to my CoffeeCast Conversations podcast at
http://coffeecast.posterous.com

Other advantages of the DS-71 are that it buffers key presses far better.
For flipping  back and forth between recordings in a folder, results are
better.  Also it doesn't exhibit the annoying audio click through the
speaker when you move to different recordings.  Both these problems with the
DM-520 are bugs, and I do hope a firmware release will address them, as they
do frustrate me, when using the DM-520 as a voice recorder.

Also, it is necessary, occasionally, to reboot the DM-520 to fix an
occasional bug where recording is flawed and choppy.  This means that
absolute trust of capturing a recording is somewhat compromised. Monitoring
important recordings with earphones is therefore useful.  I power the
machine off, and back on prior to doing interviews, where I can't afford to
lose quality of a recording. 

Finally, in complaint about the DM-520 is that I have stopped using the
supplied rechargeable batteries, as they were dying unexpectedly, even when
supposedly fully charged. I haven't had the time to fully track this problem
down, or do charge discharge cycling to see if the problem goes away. Not a
big problem for me, as I am happy to swap in regular AAA batteries before
important recordings.

The other relatively minor advantage of the DS-71 is that its size is
smaller than the DM-520 if you remove the stereo mic. They are equivalent
sized, when the external mic is attached. 

I still love the audio quality of memos recorded with the in-built mono mic
of the DS-71. You have to change your mic technique considerably with the
DM-520, so it isn't optimised for close mouth memoing, but mostly this
doesn't matter.

I think the DS-71 gives you 200 files for each of the five folders.  With
4gb, this may or may not work for you! I found this limitation a problem
once or twice.

On the DM-520 you get 999 files per folder, and if you add Micro SD card,
you then have ten folders to categorise stuff in to.

All that said, though, my DS-71 is sitting here on my desk, hardly used
since the new machine arrived, and my DM-520 is always in my pocket, ready
for any situation I need to make a note, or capture a meeting or
conversation.

In summary:

Unless you Really need the remote control, you will probably be best off
with the DM-520, it is a magic machine, accessibility is good and the price
is good for size, quality  and features . A few bugs, but only compared to
the elegant smooth operation of the DS-50 and DS-71 machines.

And, of course, you can still plug in an external tie clip Mic, you just
can't remote control it as conveniently.

Olympus do have a remote control for the DM-520, but this is expensive and
is wireless.

Hope this helps.

Regards
Tim
 
-----Original Message-----
From: pc-audio-boun...@pc-audio.org [mailto:pc-audio-boun...@pc-audio.org]
On Behalf Of tim
Sent: Sunday, November 22, 2009 8:33 AM
To: PC Audio Discussion List
Subject: Re: Digital recorders again - Plextalk Pocket and Olympus DS-71

hi all! am seriously debating between a ds71 and a dm520, only thing 
stopping me from the dm520 is the not included stereo mike like that comes 
with the ds71, also, is there any other recorders with 4 gig or grater 
copasity, built in speech and a mike or 2 included with the product? thanks 
for help!
----- Original Message ----- 
From: "Lauren" <lotusris...@att.net>
To: "PC Audio Discussion List" <pc-audio@pc-audio.org>
Sent: Thursday, October 08, 2009 6:48
Subject: Re: Digital recorders again - Plextalk Pocket and Olympus DS-71


> Hi,
>
> Can someone please talk about the cost f these items? I am looking for a 
> digital recorder that you can take anywhere, that has a good sound 
> quality, but that is also affordable. I am on a budget.
>
>
>
> Sincerely,
>
> Lauren
> ----- Original Message ----- 
> From: "Tim Noonan" <t...@timnoonan.com.au>
> To: "'PC Audio Discussion List'" <pc-audio@pc-audio.org>
> Sent: Wednesday, October 07, 2009 7:35 PM
> Subject: RE: Digital recorders again - Plextalk Pocket and Olympus DS-71
>
>
>>I would guess, in the  absence of no hard comparative data, that the audio
>> recording quality of the Pocket is quite a bit better than is the Olympus
>> DS-71, which I do have.
>>
>> I find the Olympus, across a range of external mics does have a degree of
>> background hiss (preamp noise or circuit noise). This is the case when 
>> set
>> to wave recording and manual mic input levels.
>>
>> Also, The Olympus doesn't actually have a line in, only a mic in port, so

>> I
>> am curious about line in recording quality, and whether you are using an
>> attenuation cable to reduce the line in signal to mic levels?
>>
>> That all said, I absolutely love my Olympus DS-71 in so many ways, and 
>> for
>> so many reasons: its  extraordinarily flexible and effective voice 
>> recording
>> capabilities, battery life and replaceable batteries, and especially its
>> super compact size makes it a take everywhere audio device.
>>
>> Speaker monitoring of line in recordings, and audible recording level
>> feedback are features unique to the Plextalk recorders.
>>
>> Regards
>> Tim
>>
>> -----Original Message-----t
>> From: pc-audio-boun...@pc-audio.org 
>> [mailto:pc-audio-boun...@pc-audio.org]
>> On Behalf Of G-Dog
>> Sent: Thursday, October 08, 2009 10:20 AM
>> To: PC Audio Discussion List
>> Subject: Re: Digital recorders again.
>>
>> Agreed!
>>
>> accessability is a very important factor but it doesn't equate to
>> performance.
>> I use the olympus DS-71 which does an excellent job for both mike and 
>> line
>> in recordings.
>> Yes, you can monitor through headphones.
>> I also like the fact that it uses AAA batteries that makes it easy to 
>> swap
>> them out if needed.
>>
>> I hear the Edital R9 is also a nifty unit
>>
>> G-Doggy-dog!
>> ----- Original Message ----- 
>> From: "Bruce Toews" <br...@ogts.net>
>> To: "PC Audio Discussion List" <pc-audio@pc-audio.org>
>> Sent: Wednesday, October 07, 2009 12:01 PM
>> Subject: Re: Digital recorders again.
>>
>>
>> That statement should probably be qualified: It may well be the most
>> excellent recording device in its class on the market, I couldn't say
>> but have no reason to believe otherwise, but there are better recording
>> devices on the market. Sweeping statements are dangerous.
>>
>> Bruce
>>
>>
>> On Wed, 7 Oct 2009 12:56:11 -0500, "Sunshine" <sunsh...@abe.midco.net>
>> said:
>>> I totally agree with you Dean, the plextalk pocket is the most exclent
>>> recording device on the market these days.
>>>
>>> ----- Original Message ----- 
>>> From: "dean martineau" <dea...@earthlink.net>
>>> To: "'PC Audio Discussion List'" <pc-audio@pc-audio.org>
>>> Sent: Wednesday, October 07, 2009 12:36 PM
>>> Subject: RE: Digital recorders again.
>>>
>>>
>>> What I know is that the PlexTalk Pocket is totally accessible, nicely
>>> packaged, has both manual and automatic level control, and does a very
>>> nice
>>> job of recording from the line injack.  I doubt any other digital
>>> recorder
>>> provides as much feedback, as this one is made for the blind.  Of 
>>> course,
>>> it
>>> may (or may not, I don't know) cost more than others of similar quality,
>>> but
>>> there's no guesswork involved.  It's nice to be able to monitor through
>>> the
>>> speaker when making a line-in recording.
>>>
>>> Dean
>>>
>>>
>>> -----Original Message-----
>>> From: pc-audio-boun...@pc-audio.org
>>> [mailto:pc-audio-boun...@pc-audio.org]
>>> On Behalf Of Tim Crawford
>>> Sent: Wednesday, October 07, 2009 9:27 AM
>>> To: PC Audio Discussion List
>>> Subject: Digital recorders again.
>>>
>>> Hi all,
>>>
>>> Just wondering, which one of the flash memory based recorders recently
>>> discussed here, would be most suitable for making high quality 
>>> recordings
>>> from an external source via line-in?  e.g. a satellite receiver.
>>>
>>> I don't intend recording via microphone, so that particular aspect of
>>> performance is of limited interest.
>>>
>>> Any views much appreciated.
>>>
>>> Cheers,
>>>
>>> Tim.
>>> To unsubscribe from this list, send a blank email to:
>>> pc-audio-unsubscr...@pc-audio.org
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>>> signature
>>> database 4487 (20091007) __________
>>>
>>> The message was checked by ESET Smart Security.
>>>
>>> http://www.eset.com
>>>
>>>
>>>
>>>
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>>>
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