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Q: When I am trying to convert a wave file that I
created with Sound Recorder, the produced amr file is only 18 seconds
long. What can I do?
A: Just
reconvert the wave file to a 16bit 8hz
frequency file (mono) with Total Recorder or Winamp. To learn how to do
this click
here.
Q: I am trying a WAVE to AMR
conversion and I select input and output file (yes, 16 bit wave with 8
kHz, mono) and the MR. I start the conversion, the green thing runs to
the right, but after that, it doesn't finish. What to do?
A: Try to
use Total Recorder or Winamp for the conversion as it is shown
here.
I know it is strange but some converters (like the Sound Recorder of
Windows) do not make the 16 bit wave conversion with 8 kHz correctly.
If this also fails try using English file names and paths.
(ex. C:\input.wav)
Q: When
I am trying to convert a file an
error window appears saying "converter.exe has encountered a
problem and needs to close. We are sorry for the inconvenience.".
What to do?
A: You
probably tried to convert a file that its file name or path contains
non-english characters. Try to use a simple path like C:\Audio.amr .
Q:
How can I
play AMR files on my PC?
A: We suggest you to
use our fast and easy Mobile 3GP player
to play your AMR or 3GP files. By
installing and using an AMR decoder on you PC. The most popular AMR
decoder is
SPOT xde Player form VoiceAge. You can
also use Apple Quick Time 6.4 and above to play AMR files, download it
from the Apple web
site.
Q:
The AMR
quality is really bad! Can I do something to change this?
A: The AMR
codec is a speech codec. Therefore, if you convert a music file into
AMR the quality wont be very good. The only thinkg you can do to
improve the quality, is to select a higher bit-rate.
Q: When
I try
to make a conversion the following message shows up:
"Windows\system32\autoexec.nt. The system file
is
not suitable for running MS-DOS and Microsoft Windows applications.
Choose 'Close' to terminate the application."
A: The
"autoexec.nt" is a critical Windows file. You should reinstall the
Windows or copy the file from your Windows installation CD. Just follow
the instructions from
here.
Q:
What is
an SP file?
A: SP
files are archive files that are used to save several Wave files. You
can store and extract wave files in a SP file with MobileAMRconverter.
Q:
What is
AMR?
A: It is a codec
offering
a
wide
range
of
data
rates,
which
was developed
by the European Telecommunications Standards institute (ETSI). The AMR
codec is standardized for GSM, and is also chosen by the Third
Generation
Partnership Project (3GPP) as the mandatory codec for third generation
systems. The philosophy
behind AMR is to lower the codec rate as the interference
increases and thus enabling more error correction to be applied. The
AMR codec is also used to harmonize the codec standards amongst
different cellular systems.
Q: Which
phones
are
able
to
play
AMR
files?
|
AMR
|
| Alcatel 735i / One
Touch 556 |
yes |
| Alpha P8 |
yes |
| Audiovox SMT5600 |
yes |
| GRADIENTE GX5-II |
yes |
| I-mate Smartphone
2002 |
yes |
| Lexus 808B |
yes |
| LG VX7000 / 8120 |
yes |
| NEC e616v / e228 /
c401i / N840 / 535m |
yes |
|
Nokia
6610 / 3510i / 7210 / 6100
|
no
|
| Nokia N70 |
yes |
| Nokia 3100 / 3200 /
3220 / 6260 / 6102 |
yes |
|
Nokia
3650 / 7650 / 6600 / 7610
|
yes
|
| Nokia 6820 / 3120 / 7600 / 7200
|
yes |
|
Nokia
3200 / 6220 / 6230 / 5140
|
yes
|
|
Nokia
N-Gage / 3230 / 6020 / 6670
|
yes
|
| Mitsubishi 620i |
yes
|
| Motorola
V525 / E398
/ C550 / V330 / V360 |
yes |
|
Motorola
V600 / V980 / V547 / C650
|
yes
|
| PalmOne Treo 650 |
yes |
| Panasonic X100 / X70 |
yes |
| Sagem MyX-3 / MyX-5
/ MyX-6 |
yes |
| Sagem MyX-7 / MyX-8
/ MyX-3.2 |
yes |
| Sagem MyV-55 /
My-V65 / MyX-5.2 |
yes |
| Sendo X |
yes |
|
Sharp
GX20 / GX15 / GX25
|
yes
|
|
Sharp
GX10 / GX1
|
no
|
|
Siemens
SX1 / CX65 / S65 / C62 / CX70
|
yes
|
|
Siemens
M55 / M65 / S55 / SL55 / C60
|
yes
|
| SAMSUNG SGH E300 /
X600 / D500 |
yes |
|
SAMSUNG
E600 / E105 / X100 / D600E
|
yes
|
|
Sony
Ericsson T300 / T310 / T226
/ K750i
|
yes
|
|
Sony
Ericsson P900(i) / P800 / Z1010
|
yes
|
| Sony Ericsson K500i
/ K700 / S700i |
yes |
| Sony Ericsson T630 /
T628 / K300i |
yes |
| Sony Ericsson S710a
/ T637 / T290i / J300a |
yes |
| Sony Ericsson T68i / T610
/Z600 / W550i |
yes |
|
Sony
Ericsson Z500a / V800 / K750i
|
yes
|
| T-Mobile Sidekick
2
(PV-100) |
yes |
| Vitelcom TSM30 /
TSM100 |
yes |
| Qtek S100 |
yes |
Q: Is
Mobile
AMR converter faster or better than Sony Ericsson AMR converter?
A: The
Mobile AMR converter is just a GUI of Sony Ericsson AMR converter, that
is offering a user-friendlier and easier-to-use environment than Sony
Ericsson AMR converter's MS-DOS command line interface. Therefore,
Mobile AMR converter has the same conversion performance, speed, and
quality as the Sony Ericsson AMR converter 1.2.
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