RetroCode is a universal mobile content converter originally created by Retro Ringtones LLC. RetroCode is able to read and write most common sample based ringtone formats including meta-data.

Overview

RetroCode reads and writes many common mobile sample content file formats. RetroCode takes measures for making sure that meta-data is maintained and converted between the formats. It features filters for adapting audio content to the abilities of small handheld devices. RetroCode also includes a ringback-signal synthesizer allowing to mix audio content with standard ITU

Itu

Itu is an old and historic municipality in the state of São Paulo in Brazil. The population in 2009 was 157,384 and the area is 641.68 km². The elevation is 583 m. This place name comes from the Tupi language, meaning big waterfall. Itu is linked with the highway numbered the SP-75 and are flowed...

ringback signals.

Compatibility

RetroCode currently supports the following formats

Format Name	Read / Decode	Write / Encode
Beatnik RMF (uncompressed)	+	-
Beatnik RMF (ima adpcm)	+	+
Beatnik RMF (mpeg)	+	-
Yamaha MA2	+	+
Yamaha MA3	+	+
Yamaha MA5	+	+
Yamaha MA7	+	+
Panasonic MFM	+	+
Sagem Wave	+	+
Qualcomm QCELP	+	+
Qualcomm CMX	+	+
AMR NB	+	+
AMR WB	+	+
MPEG 2 Layer 1,2 and 3	+	+
AAC	+	+
Macromedia Flash	+	+
AIFF	+	-
3GPP	+	+
MP4	+	+
uLaw	+	+
aLaw	+	+
Dialogic VOX	+	+
OGG	+	+
RealMedia Audio	(+)	(+)
Microsoft WMA	(+)	(+)
Microsoft AVI	+	-
Microsoft Wave	+	+

Dependency

RetroCode depends on a variety of open source libraries as well as some ISO reference implementations.

• id3lib Version 3.8.3
• faac
• faad2
• mp4ff part of faad2, patched for 3GPP compatibility
• zlib
• amrnb
• amrwb
• mp3lame
• mad
• avformat
• avcodec
• avutil
• qscl
• mpeg4ip