File extension Details of INS, IFF, ICS, KMP, ITI, ITS, IT, M4R, M4A

Name:	INS
File Type:	Sample Cell II Instrument Definition File
Popularity:	3
Category:	audio
File Description:	Contains one instrument definition and references to external audio files used by the instrument; used by both Mac and Windows platforms, but incompatible with each other. Does not contain actual audio data.
Open Programs:	Mac OS Sample Cell II Windows Sample Cell II FMJ-Software Awave Studio

Name:	IFF
File Type:	Interchange File Format   (Most common)
Popularity:	5
Category:	audio
File Description:	Universal file format developed by Electronic Arts; may contain text, image, or audio data; used as the basis for several other file formats and is supported by many programs. IFF files are made up of sections of data called "chunks" that are defined with four-letter IDs; the three main chunk types are FORM, LIST, and CAT; FORM specifies the format of the file, LIST includes the properties of the file, at CAT includes the rest of the data; each chunk may contain text, numerical data, or raw data. IFF files used by The Sims and The Sims Online can be edited using IFF Pencil for Windows or IFF Snooper for the Mac.
Open Programs:	Mac OS View in Apple QuickTime Player Edit with IFFSnooper Windows View in Apple QuickTime Player Edit with IFF Pencil

Name:	ICS
File Type:	IC Recorder Sound File
Popularity:	3
Category:	audio
File Description:	Original sound file format used for recording messages on the Sony IC recorder, i.e. the Sony ICD-R100
Open Programs:	Windows Sony Digital Voice Player or Editor Microsoft Windows Media Player with Sony Player Plug-in

Name:	KMP
File Type:	Korg Trinity/Triton Keymap File
Popularity:	2
Category:	audio
File Description:	Contains "multisample" data used by Korg Triton and Trinity workstations; does not include actual audio data, but instead references .KSF files that contain sample waveforms.
Open Programs:	Windows FMJ-Software Awave Studio

Name:	ITI
File Type:	Impulse Tracker Instrument
Popularity:	3
Category:	audio
File Description:	Instrument format used by Impulse Tracker, an audio tracking program; contains samples that can be played back using MIDI data.
Open Programs:	Mac OS CocoModX Windows Impulse Tracker MODPlug Tracker

Name:	ITS
File Type:	Impulse Tracker Sample
Popularity:	3
Category:	audio
File Description:	Audio sample format used by Impulse Tracker, an audio tracking program; supported by other tracking programs as well.
Open Programs:	Mac OS CocoModX Windows Impulse Tracker MODPlug Tracker

Name:	IT
File Type:	Impulse Tracker Module
Popularity:	3
Category:	audio
File Description:	Music module created by Impulse Tracker, an audio tracking program; similar to the .S3M file format
Open Programs:	Mac OS CocoModX Windows ModPlug Player

Name:	M4R
File Type:	iPhone Ringtone File
Popularity:	4
Category:	audio
File Description:	Custom iPhone ringtone created with iTunes; can only be created from songs purchased from the iTunes music store that allow ringtone creation; automatically transferred to the iPhone when the phone is synced with the computer using Apple iTunes. NOTE: M4R files created with third-party software programs or downloaded from the Internet may not include copy protection; these files may be played by other programs such as VLC media player.
Open Programs:	Mac OS Apple iTunes Windows Apple iTunes

Name:	M4A
File Type:	Apple Lossless Audio File
Popularity:	4
Category:	audio
File Description:	Audio file compressed with the Apple Lossless Encoder (ALE); uses the Apple Lossless Audio Codec (ALAC), which provides lossless compression; saved in the MPEG-4 container format. M4A files are similar to .MP4 video files, but do not contain a video track; MPEG-4 audio files that include copyright protection, such as those sold through the iTunes Store, typically have an .M4P extension.
Open Programs:	Mac OS Apple iTunes Apple QuickTime Player Microsoft Windows Media Player Roxio Toast Other music player Windows Apple iTunes Apple QuickTime Player KSP Sound Player Microsoft Windows Media Player NCH Swift Sound WavePad Winamp Roxio Easy Media Creator Other music player

Name:	MTE
File Type:	MadTracker 2 Envelope
Popularity:	3
Category:	audio
File Description:	Audio envelope used to modify a waveform in order to alter its sound; proprietary format used by MadTracker 2
Open Programs:	Windows MadTracker