iMelody

iMelody is a non-polyphonic ringtone exchange object format,[1] used for mobile phones [Extension: .imy], defined by Ericsson and Sony Ericsson together with other manufacturers and is based on Ericsson's proprietary eMelody format. The iMelody format was made because the eMelody had some musical limitations.

Transferring melody to mobile phones

In order to transfer these ringtones to a mobile phone, one could simply send an SMS message with the iMelody/eMelody text as the text of the message, or one could make a plain text file containing the iMelody/eMelody text and using the extension of either .imy for iMelody or .emy for eMelody and transfer the file to the mobile phone by bluetooth, IrDA (infrared), or by a data cable. The file could also be attached to an MMS message or an e-mail message.

iMelody

MIME: "text/x-iMelody" or "audio/iMelody"

Extension: ".imy"

Here is an example of an advanced ringtone in the iMelody format, this is a silent ringtone that only makes the phone's vibrating motor vibrate constantly:

BEGIN:IMELODY
VERSION:1.2
FORMAT:CLASS1.0
BEAT:25
MELODY:vibeonr2vibeonr2vibeon (r2vibeonvibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2vibeonr2ledonr2vibeonr2vibeon
END:IMELODY

Another example of an advance ringtone, which makes the vibrating motor vibrate constantly, the backlight of the phone's display blink and plays a simple tone:

BEGIN:IMELODY
VERSION:1.2
FORMAT:CLASS1.0
BEAT:900
STYLE:S1
MELODY:(vibeonbackoff*6c5ledon*6d5ledoff*6e5ledon*6f5ledoff*6g5ledon*6a5ledoff*6b5ledon*6a5ledoff*6g5*6f5*6e5*6d5*6c5backon*6d5*6e5*6f5*6g5*6a5*6b5*6a5*6g5*6f5*6e5*6d5@0)
END:IMELODY

eMelody

MIME: "text/x-eMelody" or "audio/e-melody"

Extension: ".emy"

Here is an example of a ringtone in eMelody format:

BEGIN:EMELODY
VERSION:1.0
NAME:Test melody 1
COMPOSER:John Smith
MELODY:+f+a+fa(b)bdcC+GA+d+#c+dfg+daea+d+#c+e+f+e+fa(b)bdC+EA+d+#c+dfgba+d+#C
END:EMELODY

References
  1. Sony Ericsson W800 White Paper (R2A) (PDF file, page 19) (you'll need to enter in a text from a captcha image in order to download the file)
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