File extension Details of CWP, CIDB, CPR, CDR, RFL, RA, RSO, REX, RSN

Name:	CWP
File Type:	Cakewalk SONAR Project
Popularity:	3
Category:	audio
File Description:	SONAR audio project file that contains track configuration, MIDI data, references to audio files, fader setups, tempos, meter and key settings, MIDI settings, and other parameters.
Open Programs:	Windows Cakewalk SONAR Cakewalk SONAR Home Studio

Name:	CIDB
File Type:	iTunes CD Information File
Popularity:	3
Category:	audio
File Description:	Contains information about CDs that have been loaded using iTunes; includes album and track names downloaded from the CDDB (Compact Disc Database) as well as CD and track name for CDs that are burned by the user; named "CD Info.cidb" by default. The "CD Info.cidb" file is located in Mac OS X in the "/Users/username/Library/Preferences" folder. In Windows XP, it is located in the "\Documents and Settings\username\Application Data\Apple Computer\iTunes" directory. In Windows Vista, it is stored in the "/Users/username/AppData/Roaming/Apple Computer/iTunes" folder.
Open Programs:	Mac OS Apple iTunes Windows Apple iTunes

Name:	CPR
File Type:	Cubase Project
Popularity:	4
Category:	audio
File Description:	Audio production project created by Cubase DAW (Digital Audio Workstation) software; may contain audio and MIDI tracks, software instruments, mixer settings, and audio effects; contains references to audio files, but not the audio itself.
Open Programs:	Mac OS Steinberg Cubase LE, Steinberg Cubase SX/SL Steinberg Cubase 4 or later Windows Steinberg Cubase LE, Steinberg Cubase SX/SL Steinberg Cubase 4 or later

Name:	CDR
File Type:	Raw Audio CD Data
Popularity:	3
Category:	audio
File Description:	CD audio track extracted or "ripped" from an audio CD to a computer's hard disk; similar to a .AIF or .WAV file, but does not contain the same header information; recognized by various audio programs.
Open Programs:	Mac OS Roxio Toast Apple iTunes Other music player Windows Apple iTunes Other music player

Name:	RFL
File Type:	Reason ReFill Sound Bank
Popularity:	3
Category:	audio
File Description:	Component package for Reason, a song creation program that includes a virtual studio rack and an advanced sequencer; may contain patches, samples, song files, and .REX files; .WAV and .AIF files are compressed to about half their original file size when stored in ReFills (created using ReFill Packer).
Open Programs:	Mac OS Propellerhead Software Reason Windows Propellerhead Software Reason

Name:	RA
File Type:	Real Audio File
Popularity:	5
Category:	audio
File Description:	Audio file created by RealPlayer; may contain audio data or may reference a streaming audio file online; uses a proprietary Real compression algorithm; common format for playing audio clips within a Web browser.
Open Programs:	Mac OS RealNetworks RealPlayer Web browser with the RealPlayer plugin Windows RealNetworks RealPlayer Web browser with the RealPlayer plugin Linux RealNetworks RealPlayer Web browser with the RealPlayer plugin

Name:	RSO
File Type:	NXT Brick Audio File
Popularity:	3
Category:	audio
File Description:	Proprietary audio format used by LEGO's programmable Mindstorms NXT robot; RSO files are typically used to play short alerts or other system sounds; they can be converted to standard .WAV files using the RSO conversion utilities.
Open Programs:	Mac OS EGO MINDSTORMS NXT Software Wav2Rso wavrsocvt Windows EGO MINDSTORMS NXT Software Wav2Rso wavrsocvt Linux wavrsocvt

Name:	REX
File Type:	ReCycle Loop File
Popularity:	3
Category:	audio
File Description:	Audio loop format used by ReCycle, a sampled loop creation and editing program; stores audio data and loop slicing information; REX files can be quantized, have the tempo changed, and can be tuned or detuned.
Open Programs:	Mac OS Propellerhead Software ReCycle or Reason Windows Propellerhead Software ReCycle or Reason

Name:	RSN
File Type:	Reason Project File
Popularity:	3
Category:	audio
File Description:	Audio production project created with Reason, a software synthesizer and music creation program; may include multiple MIDI tracks, drum loops, audio effects settings, and virtual audio rack configurations.
Open Programs:	Mac OS Propellerhead Software Reason Windows Propellerhead Software Reason

Name:	RMI
File Type:	RMID MIDI File
Popularity:	3
Category:	audio
File Description:	MIDI file stored in the Resource Interchange File Format (RIFF); technically, a MIDI file wrapped in an RIFF container; the format was originally introduced by Microsoft and later extended by MIDI.org; often referred to as a RIFF RMID file. Contains MIDI information, but does not contain actual audio data.
Open Programs:	Mac OS Apple QuickTime Player or other MIDI Player Windows Apple QuickTime Player or other MIDI Player