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SMS Ringtone - The RTTTL Format

The RTTTL (Ring Tones Text Transfer Language) format can be used to send ringtones to mobile phones. This ringtone can be encoded into nokia and other formats in an easy way. The following webpage gives information on how to convert RTTTL into NOK

Example RTTTL ringtone:

Ionian:d=8,o=5,b=240:c,d,e,f,g,a,b,c6;

SMS Ringtone - RTTTL Specification


A RTTTL ringtone can be divided into 3 parts, which are separated using a colon:

  • The title.
  • Default parameters, like: default duration, pitch and bpm.
  • The actual songdata.

The title

The title of the song, it can have no more than 10 characters.
The title of the song in the example above is 'Muppets'

Default parameters

The following parameters are supported in this section:

d Default duration
o Default octave
b Default bpm (beats per minute)

If these parameters are not specified, the following values will be used:

Duration: 4, Scale: 6 and BPM: 63 ( :d=4;o=6;b=63: )

The following values are valid for the duration parameter:

1 a full note
2 a half note
4 a quarter note
8 an eighth note
16 a sixteenth note
32 a thirty-second note

The following values are valid for the octave parameter:

5 Note A is 440Hz
6 Note A is 880Hz
7 Note A is 1760Hz
8 Note A is 3520Hz

The default BPM can be one of the following values:

25, 28, 31, 35, 40, 45, 50, 56, 63, 70, 80, 90, 100, 112, 125, 140,
160, 180, 200, 225, 250, 285, 320, 355, 400, 450, 500, 565, 635, 715, 800 and 900.


The songdata

The last section of the string contains the actual songdata.
All the notes are separated by a comma. The notes are encoded as follows:

[duration] note [scale] [special-duration],[duration] note [scale]
[special-duration], etc...

If the optional values 'duration' and/or 'scale' are left blank, the default parameters from the second
section of the RTTTL string are used.

The following notes can be used in a RTTTL string:

P Pause
C Note C
C# Note Cis
D Note D
D# Note Dis
E Note E
F Note F
F# Note Fis
G Note G
G# Note Gis
A Note A
A# Note Ais
H Note H


Examples:

8f#5 1/8th Note Fis, Octave 5
8d5 1/8th Note D, Octave 5
8p 1/8th Pause
c5 Default length, Note C, Octave 5
8d 1/8th Note D, Default octave


SMS Ringtone - to mobile phones

To send a RTTTL ringtone to a mobile phone, first you need to convert it into a hexadecimal representation, the you can use the SMS:BINARY:RINGTONE format. The following page gives information on (how to convert rtttl into a nokia hex string)





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