MIDI to M4A

Convert MIDI to M4A - online and free - this page also contains information on the MIDI and M4A file extensions.

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File extension	.midi
Category	Music File
Description	The MIDI file was developed to allow both musicians and audio developers to transfer MIDI data from one software application to another. The MIDI file contains messages that specify notation, pitch, velocity and control signals for volume, vibrato, audio panning that synchronise tempo between multiple devices. Historically you would have needed four seperate keyboard instruments, but now with MIDI files you can play multiple instruments from a single controller.
Actions	*MIDI to M4A* - Convert file now View other music file formats
Technical Details	MIDI messages are made up of 8-bit words that are transmitted serially at 31.25 kbaud. A MIDI link can carry sixteen independent channels of information, MIDI messages can be channel messages, which are sent on only one of the 16 channels and can be heard only by devices receiving on that channel, or system messages, which are heard by all devices. There are five types of message: Channel Voice, Channel Mode, System Common, System Real-Time, and System Exclusive. There are two variations of the Standard MIDI File format, called Type 0 and Type 1. Type 0 is a single track of data; Type 1 is multi-track.
Associated programs	Audio Evolution GarageBand Master Tracks Pro Sonar
Developed by	Various
MIME type	audio/midi audio/x-midi
Useful links	List of MIDI Editors and Sequencers MIDI file information Convert MIDI file

File extension	.m4a
Category	Music File
Description	M4A files are a type of audio file developed and popularised by Apple. Since 2007, music purchased through the iTunes store has been in m4a format, therefore accounting for over 15 billions files worldwide. MP4 and M4A files are often confused, and the two are quite similar, being both based on the MPEG-4 codec. However, M4A is a file comprising solely of audio, whereas MP4 may also contain video.
Actions	Convert M4A file View other music file formats
Technical Details	M4A files are superior to MP3 in terms of the scale of compression and audio quality. The M4A file uses Apple's codec and resides within the MPEG-4 container. The main benefit of M4A is that files are compressed but are lossless. This means they can be decoded back to the original quality they were at the point of compression. Another benefit of M4A files are that do not carry any Digital Rights Management (DRM) protection associated with other files meaning they are less restricted.
Associated programs	Apple QuickTime Player Apple iTunes Microsoft Windows Media Player
Developed by	Apple
MIME type	audio/mp4a-latm
Useful links	Detailed guide to M4A More detail on the MPEG4 format Convert M4A file

Using Zamzar it is possible to convert MIDI files to a variety of other formats

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