C o m m u n i c a t i o n s , I n c .
© 2006-2007
PalmMicro Communications, Inc.
Room 0611, Bldg.B Tsinghua Tongfang Technology Plaza, 1 Wangzhuang Road, Beijing, CHINA
26
6 Create Music File
Music file, including phone ringtone file and call hold music file, is a binary file and can be
updated to a phone. Phone ringtone file is stored in page2-page4 and call hold file in
page5-page7, each part is 192K(3
×
64K ).
Tone is sampled at 8k points per second and compressed by 8-bit mu law with 1 Byte per
sample point. We set 32768 Bytes (32K) as a section and use 32640Bytes of them; the
last 128Bytes are not used. So, 4.08 seconds music can be stored in one section. The
size of a music file is 196608Bytes (6
×
32768Bytes) and the music stored in it can plays 6
×
4.08=24.48
seconds
.
Warning
：
The size of music file must be 196608 Bytes. If not, errors will take place.
Record Music
Use CoolEdit to record music, here take example for Cool Edit Pro Version 2.1.
Set recording control property:
1.
Click PC volume property
;
2.
Point “property” on ” options” menu and click it;
3.
Select “record” in “adjust volume”;
4.
Select all volume control in “display volume control” and click “OK”;
5.
Select “wave output balance “ only and exit;
Use CollEdit to record:
1. Run
CoolEdit.exe;
2.
Point “New” on “File” menu and click it;
3.
Select “8000” in “Sample Rate”, “Mono” in “Channels”, “8-bit” in “resolution” and
click “OK”.;
4. Point “Show Transport Buttons” on “View” menu and select it. The following
controllers display at the down-left corner:
5.
Open player ”Windows Media Player”;
6.
Point “Transport Buttons” and click the record button
;
7.
Time for record ring tone is 24.48 seconds;
8.
Point “Save As…” on “File” menu and click it;
9. Click
“Options:
