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Home > Cell Phone Forums > Manufacturers Talk > Motorola Talk > Anybody?? MP3 "File Type Not Recognized" on BT->

Anybody?? MP3 "File Type Not Recognized" on BT->

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veilfore89
Handle It
Posts: 1396

Phone Model:
Motorola Q9h(GSM), V551(GSM), T720i(GSM), T720g(GSM)(DEAD
), T730(CDMA), Samsung x427m(GSM), Siemens A56i(GSM), E-815(CDMA)

Service Provider:
AT&T Wireless
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Mon Nov 14, 2005 4:35 pm 
Ok, goodluck and hopefully it comes through for you. And please do let us know how it turns out.
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mattdez
Antenna Booster Novice
Posts: 3

Phone Model:
Samsung SGH-d807

Service Provider:
Cingular
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Tue Nov 15, 2005 7:54 pm 
burro wrote:
veilfore89 wrote:
Ok, your setup sounds ready, and I do believe its better to use USB, although the BT should work fine, try again to use MPT to send the files to the phone through BT, and re-encode the original song at 44100 Hz sample rate, 96kbps bitrate, mono channel, and VBR you may set at whatever you desire 0-9. Keep the clip to 30 seconds or less, then pair the phone, open MPT and transfer.

Really -- 44KHz instead of 11KHz and 96kbps instead of 64kbps??

Thanks -- I'll try this and post the results as soon as I find that blasted cable.

(Virtual PC supports USB devices but does not have reliable support for BlueTooth passthrough, as far as I can tell, so I must use the cable.)


f-ing A.... those settings worked. There we have it my fellow Mac friends. Encode the file at 44100 Hz @ 96 kbps mono and the phone will see the file as a valid MP3 file.

veilfore89
Handle It
Posts: 1396

Phone Model:
Motorola Q9h(GSM), V551(GSM), T720i(GSM), T720g(GSM)(DEAD
), T730(CDMA), Samsung x427m(GSM), Siemens A56i(GSM), E-815(CDMA)

Service Provider:
AT&T Wireless
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Wed Nov 16, 2005 6:57 pm 
Glad those settings worked.

burro
Antenna Booster Novice
Posts: 7

Phone Model:
V551 Motorola

Service Provider:
Cingular
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Thu Nov 17, 2005 12:25 am 
veilfore89 wrote:
Glad those settings worked.


Here's a little more on that:

Many thanks to MattDev and Velifore89 for the advice and a working sample...


I've been making working ringtones... the key has nothing to do with my hypothesis of file types -- that was based on what I was reading about people using lower sampling frequencies to get smaller file sizes, which led me to believe that 11k would be a good idea (since the files still sounded good).

The solution seems to be exactly the fact that 11k sampling frequency was NOT working...

As soon as I set the sampling frequency to 44.1k(CD quality), everything is golden.

I am sure there are still things I can fiddle with -- I don't know if different vbr settings will give smaller files, whether 22k would work where 11k did not, whether 8-bit sample size would be better than 16-bit sample size, what kinds of filtering will make a track ripped from a CD sound best on one of these phones, etc. -- but here's a formula that works:

44k sampling frequency
16-bit sample size
mono
just about any kbps setting, but I find 32-64 sounds reasonably good

And the tool of choice, as far as I am concerned is definitely "Amadeus II" (http://www.macupdate.com) -- it's worth the cost if one is going to fiddle with mp3 files... a dream for truncating, changing pitch, filtering, changing channel settings, amplifying nearly everything... just remember that the main settings we care about for getting mp3s to work on phones (the settings above) are mostly 'hidden' in the lower left-hand corner of the file window.

burro
Antenna Booster Novice
Posts: 7

Phone Model:
V551 Motorola

Service Provider:
Cingular
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Thu Nov 17, 2005 12:26 pm 
Repeating this item, to my ear, 32-64kbps sounds fine for most files. This results in a *much* smaller file size with minimal reduction to the quality of sound vis-a-vis the degere to which these little phones can represent sound quality.

Amadeus II also lets one do some pretty specific filtering and noise elimination.

When I up'd my sampling frequency to 44.1k from 11k in Amadeus II, I left the "resample" option UN-checked... as a result, I got a file identified as 44.1k that was no larger than when it was 11k.

...so one technique for file size reduction could be to 'downgrade' to 11k, and then up the sampling frequency to 44.1k without resampling.

Again, in at least Mac OS 10.3.9 and 10.4.x, using Blue Tooth File Exchange to transfer ring tones (as well as photos, etc.) is an absolute snap.

Guess that completes the picture...



just one more question: now that we've solved this problem, where is the best place to post a "how-to" for other Mac users wanting to create custom ring tones for these (and similar) phones? It would be great to save some gentle Mac users the agony MattDev and I went through to get here...


At least my little sweetie is now very happy with her ring tones...

icon_heart.gif icon_heart.gif icon_grin.gif icon_grin.gif icon_angel.gif icon_angel.gif icon_biggrin.gif icon_biggrin.gif

Thanks again, folks!
Quaazar
Antenna Booster Novice
Posts: 1

Phone Model:
Razr V3

Service Provider:
Cingular
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Sat Dec 17, 2005 2:02 am 
I realize this is an old thread, however I signed up for an account just to thank everyone for helping me out. Using Windows and Razr V3 phone I had the same problem, however using the above specs on the MP3 worked perfect for me as well.

Thanks again for helping me pack my phone full of ringtones icon_smile.gif
damf75
Antenna Booster Novice
Posts: 1

Phone Model:
Motorola V551

Service Provider:
Cingular
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Mon Feb 06, 2006 11:53 pm 
About the unrecognized format error message for ringtones...

This works for me at least when using mp3 format.
You get mp3's in 3 flavors, mpeg 1, 2, and 2.5. By process of elimination I found out my phone would accept only
"MPEG 1.0 layer 3" So you may need to use a program that converts the file to the sub-type of mp3 encoding. I used Xilisoft.

This allows me to post my audio online and download it onto my phone no problem. Hope this helps.
-dave
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