MP3 means MPEG-1 Audio Layer 3 and never equals to MPEG-3 as it looks. MP3 is a widely used format in internet since 1995 and almost becomes the representative name of online music. Shortly, MP3 is an audio compression technology which compresses music to a small file (usually 3-4 MB for each song in MP3 format) with high compression rate and little loss on sound quality. Owing to its unprecedented population and wide hardware or software support, MP3 is surely hardly replaced by other formats in a short while.

WMA is Windows Media Audio. WMA is a new audio format developed by Microsoft well known as MP3. With a higher rate in files compression and better sound quality than the latter, even far beyond those of RA. 

Windows has bundled a free MP3 decoder,  WMA Converter can convert mp3 to wma directly. If professional Fraunhofer IIS MP3 codec is installed, MP3 sound quality will be improved.

Download WMA Converter which can convert mp3 to wma file. Select an mp3 file, set the start time, the end time or audio encoding bitrate if needed. The bitrate is bigger, the file size is bigger, the audio quality is higher, and vice versa. Click the Convert button to convert mp3 to wma.

RINGTONE, now popular known as the customizable sounds available on mobile phones, is the sound generated when an incoming telephone call is received. A phone only rings after a special "ringing signal" being sent to it. The ringing signal for both landline telephones and mobile phones are different.

SMAF, short for Synthetic music Mobile Application Format, is a multimedia data format developed by Yamaha. SMAF is specified for portable electronic devices like cell phones and PDAs and has *.MMF as its file extension. SMAF resembles MIDI, but it has smaller size and more powerful representation. Right now, SMAF is mainly used in making ringtones of mobile phones.

MMF is a ringtone format applied frequently to mobile phones. MMFfile size is rather small and still could be compressed which adapts to mobile phones of weak CPU processing capability and small storage capacity. With good sound quality, MMF ringtone could either be pure MIDI or PCM or even PCM+MIDI. Besides, it is the extension of SMAF file and could expand the multimedia function of image, text and sound in SMAF respectively.

Please install related codecs to convert ringtone smaf mmf to wma.

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