Convert MIDI to M4A - online and free
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MIDI (Audio)
| File extension | .midi |
| Category | Audio 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 separate keyboard instruments, but now with MIDI files you can play multiple instruments from a single controller. |
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| 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. |
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| Developed by | Various |
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M4A (Audio)
| File extension | .m4a |
| Category | Audio File |
| Description | M4A audio files were developed to enable easy sharing of digital music, audiobook content, podcasts. It was generally intended as the successor to MP3 and the file quality is better and file sizes smaller compared to MP3 files. M4A files sound better than MP3 files when encoded at the same bit rate due to some of the enhancements. It's the default audio format for Apple products, Nintendo products, Android, Blackberry, PlayStation, and many in-dash music systems in cars. |
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| Technical Details | M4A is a file encoded with advanced audio coding (AAC) and is implemented with AAC compression standards or ALAC (Apple Lossless Audio Codec) specifications. This effectively means that they can be decoded back to their original quality they were at the point of compression. It was developed by Apple and it only contains audio data, rather than MP4 which contains both audio and video. An added benefit of M4A files are that they do not carry any Digital Rights Management protection. |
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| Developed by | Apple |
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Convert MIDI file
Using Zamzar, it is possible to convert MIDI files to a variety of other formats
- midi to aac (Advanced Audio Coding File)
- midi to ac3 (AC3 Audio File)
- midi to flac (Free Lossless Audio Codec)
- midi to m4a (Compressed video file)
- midi to m4r (iPhone Ringtone File)
- midi to mp3 (Compressed audio file)
- midi to mp4 (MPEG-4 Video File)
- midi to ogg (Ogg Vorbis Compressed Audio File)
- midi to wav (Windows audio file)
- midi to wma (Windows Media Audio)