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  #1  
Old 07-14-2005, 06:57 PM
xinjinqiao
Neophyte
Join Date: Jul 2005
Posts: 4
Default PPC for audio recording

Hi,
I am looking for a ppc to be a designated machine to record voice, whether it is in a casual conversation or in a long lecture. I am looking at a zaurus pda because it has jacks for both external microphone and headphone. I know this is a Linux OS but I don't see any options on this forum for linux. If there anyone out there who can comment on my thinking, hardware, available software, etc? I know that I can get mp3 players with external mic jacks cheaper but another reason why I want this ppc is that it is linux which means that I should be able to change the language to Chinese...
 
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  #2  
Old 07-14-2005, 09:19 PM
GSmith
Thinker
Join Date: Jan 2006
Posts: 389

Your requirements match those of many podcasters. For mobile use, you *could* use the built-in microphone of a PPC. Several models of PPC (but not all !) have a "headset" jack (including Loox 720, which until recently was undocumented). These will allow mono recording using a microphone if you get an appropriate cable/splitter (see pc-http://www.pc-mobile.net/audioadapter.htm for a 3.5mm headset to dual 3.5mm headphone and microphone). If you go this route, you will also want decent software. I think the general consensus is that NoteM has some flaws, but is decent and possibly the best mp3 encoding, as well as being free.

If you don't necessarily need a PDA, many podcasters favor the iRiver 799 or 899 that has a stereo line in (which may come in handy). It is limited to 1GB internal, but has (if I recall correctly) amazing battery life from a single AA.

I personally would choose a mp3 recorder that uses Secure Digital because then you could pop the SD card in your PDA for listening or transfer. I have not yet tested any yet, so I can't give you a recommendation.

This is a young field and currently still requires some effort. My "very work in progress" effort in documenting this area in ultraportable recording setups is at:

http://feederreader.pocketcasting.co...forum.php?f=19

in three articles titled "Pocket PC Audio Primer", "Software - Recording or Editing", and "Hardware - Pocket PC headsets". They are in the very early stages.

Also, expect a very educated and experienced opinion from Menneisyys any minute now ;-) probably as soon as he sees your post!

Greg Smith
Author, FeederReader - Pocket PC *direct* RSS text, audio, video, podcasts
www.FeederReader.com - Download on the Road
 
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  #3  
Old 07-15-2005, 05:51 PM
Don't Panic!
Oracle
Join Date: Mar 2007
Posts: 952

And for your language changing needs try CE Star from Mobem. They have a suite that will localize any PPC to Chinese.
 
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  #4  
Old 07-16-2005, 12:35 PM
Menneisyys
5000+ Posts? I Should OWN This Site!
Join Date: Jun 2007
Posts: 5,067

Quote:
Originally Posted by GSmith
I think the general consensus is that NoteM has some flaws, but is decent and possibly the best mp3 encoding, as well as being free.
Yes, NoteM if you want to make MP3's and Resco Audio Recorder if you want to make Speex files. You may also want to read this thread for more info.

Quote:
Originally Posted by GSmith
If you don't necessarily need a PDA, many podcasters favor the iRiver 799 or 899 that has a stereo line in (which may come in handy). It is limited to 1GB internal, but has (if I recall correctly) amazing battery life from a single AA.
I personally would choose a mp3 recorder that uses Secure Digital because then you could pop the SD card in your PDA for listening or transfer. I have not yet tested any yet, so I can't give you a recommendation.[/quote]

I too have a jukebox (bought it to have a portable image tank and MP3 player; it's not rreally up to these tasks, card reading speed- and battery life- (3 hours max. when playing mp3's) wise, though); the MamboX Media-X P353. It can directly record to an SD card. I wouldn't recommend it, though - the area just under 0 dB with the line in causes distortion (the input amplifier too sensitive - its levels are not correctly set). However, if you use a stereo mike with it that doesn't produce standard line-in levels, it may work great.

Battery life: it isn't particularly stellar. I'd say 3.5-4 hours recording to the SD card. It has a built-in, swappable, rechargeable Li-Ion battery.

Quote:
Originally Posted by GSmith
Also, expect a very educated and experienced opinion from Menneisyys any minute now probably as soon as he sees your post!
Ohhh... thanks
 
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  #5  
Old 07-16-2005, 08:08 PM
zeeforel
Pupil
Join Date: Jan 2005
Posts: 14
Default to GSmith

A question for GSmith:

Quote:
Several models of PPC (but not all !) have a "headset" jack (including Loox 720, which until recently was undocumented). These will allow mono recording using a microphone if you get an appropriate cable/splitter (see pc-http://www.pc-mobile.net/audioadapter.htm for a 3.5mm headset to dual 3.5mm headphone and microphone).
My Asus 730 says in its Audio Settings that I can choose for MIC input via a headset instead of the build in mic (undocumented in the manual though). Does this mean I can simply connect an external microphone to the headphone jack?

Do I need that splitter you talk about?

Thanks.
Marcel
 
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  #6  
Old 07-17-2005, 05:37 AM
Menneisyys
5000+ Posts? I Should OWN This Site!
Join Date: Jun 2007
Posts: 5,067
Default Re: to GSmith

Quote:
Originally Posted by zeeforel
My Asus 730 says in its Audio Settings that I can choose for MIC input via a headset instead of the build in mic (undocumented in the manual though). Does this mean I can simply connect an external microphone to the headphone jack?
Yes, the A730, as all the other VGA devices, has external microphone input.

Quote:
Do I need that splitter you talk about?
Yes, unless you have a stereo headphone + microphone set that only has one 3.5 mm jack. Headphones like that can directly be inserted into your PDA and used to record stuff.
 
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  #7  
Old 07-17-2005, 08:34 PM
zeeforel
Pupil
Join Date: Jan 2005
Posts: 14

But why can't I just use only a external microphone? What am I missing? Why do I need a complete solution: stereo headphone + microphone?

Thanks.
 
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  #8  
Old 07-17-2005, 08:46 PM
Menneisyys
5000+ Posts? I Should OWN This Site!
Join Date: Jun 2007
Posts: 5,067

Quote:
Originally Posted by zeeforel
But why can't I just use only a external microphone? What am I missing? Why do I need a complete solution: stereo headphone + microphone?

Thanks.
You can use a simple mike if you have a splitter like this:



or, just a simple mike cable:



See for example the last two items at http://pc-mobile.net/loox.htm . Please note that these splitters/converters are manufactured by a lot of other manufacturers so you may want to Google for the cheapest/best source. Also, you can very easily build these yourself with some soldering.
 
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  #9  
Old 07-17-2005, 08:52 PM
zeeforel
Pupil
Join Date: Jan 2005
Posts: 14

Your reaction time is outstanding, but still, why can't I use a normal microphone with a 3,5 mm plug (the Asus has a 3,5 mm jack)? Why do I need these splitters?

And what is actually the function of the equipment in the second image?

Thanks.
 
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  #10  
Old 07-17-2005, 08:55 PM
Menneisyys
5000+ Posts? I Should OWN This Site!
Join Date: Jun 2007
Posts: 5,067

Quote:
Originally Posted by zeeforel
Your reaction time is outstanding, but still, why can't I use a normal microphone with a 3,5 mm plug (the Asus has a 3,5 mm jack)? Why do I need these splitters?

Now I see what you mean: because standard mikes have only two PINs and they are located at the end of the Jack 'father', unlike at the other end, where it should be. The far end of the Jack father is the left channel of the headphone output. This is why you can't use standard (mono) mikes without a converter.

Quote:
And what is actually the function of the equipment in the second image?

Thanks.
To convert between the two formats.
 
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