Open Inter Play Acm Audio File Format (.ACM)

How to open .ACM Inter Play Acm Audio File Format files?
Windows
  • ACM2WAV
Mac
Linux
  • libacm
iOS
Android
Conversion of Files for Opening .ACM Inter Play Acm Audio File Format
.3GA 3 Gpp Audio File .ACM to .3GA
Convert Inter Play Acm Audio File Format to 3 Gpp Audio File
.ZVR Safa Audio Recording File .ACM to .ZVR
Convert Inter Play Acm Audio File Format to Safa Audio Recording File
.ZGR Beat Creator Loop File .ACM to .ZGR
Convert Inter Play Acm Audio File Format to Beat Creator Loop File
.XFS E Racer Sound File .ACM to .XFS
Convert Inter Play Acm Audio File Format to E Racer Sound File
.WWU Wwise Work Unit .ACM to .WWU
Convert Inter Play Acm Audio File Format to Wwise Work Unit
.WUT Wutg Tag File .ACM to .WUT
Convert Inter Play Acm Audio File Format to Wutg Tag File
.WUS Wutg Tagged Audio File .ACM to .WUS
Convert Inter Play Acm Audio File Format to Wutg Tagged Audio File
.WRK Cake Walk Project File .ACM to .WRK
Convert Inter Play Acm Audio File Format to Cake Walk Project File
.WPROJ Wwise Project .ACM to .WPROJ
Convert Inter Play Acm Audio File Format to Wwise Project
.WMA Windows Media Audio File .ACM to .WMA
Convert Inter Play Acm Audio File Format to Windows Media Audio File
.WAV Waveform Audio .ACM to .WAV
Convert Inter Play Acm Audio File Format to Waveform Audio
.W64 Wave64 File .ACM to .W64
Convert Inter Play Acm Audio File Format to Wave64 File
.W01 Yamaha Sy Series Wave File .ACM to .W01
Convert Inter Play Acm Audio File Format to Yamaha Sy Series Wave File
.VYF Samsung Digital Voice Recorder File .ACM to .VYF
Convert Inter Play Acm Audio File Format to Samsung Digital Voice Recorder File
.VY1 - VY3 ETC Audio Footage File .ACM to .VY1 - VY3 ETC
Convert Inter Play Acm Audio File Format to Audio Footage File
.VRF Ventrilo Audio Recording .ACM to .VRF
Convert Inter Play Acm Audio File Format to Ventrilo Audio Recording
.VPM Garmin Gps Navigation Voice File .ACM to .VPM
Convert Inter Play Acm Audio File Format to Garmin Gps Navigation Voice File
.VOX Dialogic Audio File Coded Using Adpcm .ACM to .VOX
Convert Inter Play Acm Audio File Format to Dialogic Audio File Coded Using Adpcm
.VOI Voyetra Voice File .ACM to .VOI
Convert Inter Play Acm Audio File Format to Voyetra Voice File
.VMO Siemens Mobile Phone Voice File .ACM to .VMO
Convert Inter Play Acm Audio File Format to Siemens Mobile Phone Voice File
.VAG Sony Play Station Adpcm Sound File .ACM to .VAG
Convert Inter Play Acm Audio File Format to Sony Play Station Adpcm Sound File
.USM Unsigned Sample Module Data Farandole .ACM to .USM
Convert Inter Play Acm Audio File Format to Unsigned Sample Module Data Farandole
.USFLIB Nintendo 64 Song Library .ACM to .USFLIB
Convert Inter Play Acm Audio File Format to Nintendo 64 Song Library
.USF Nintendo 64 Music File .ACM to .USF
Convert Inter Play Acm Audio File Format to Nintendo 64 Music File
.UL Audio File .ACM to .UL
Convert Inter Play Acm Audio File Format to Audio File
Audio Converter
Inter Play Acm Audio File Format Wiki
ACM (InterPlay ACM Audio) is a special compressed audio file format extensively used for storing sound effects and human speech for most of the 2D role-playing game titles published by InterPlay Entertainment in the late 1990s and early 2000s. Some of these games include Fallout, Baldur's Gate, Icewind Dale and Planescape Torment. While the encoding scheme used in ACM files doesn't achieve that good compression ratio compared to MP3, Vorbis or any other of the popular audio compression formats, ACM files require less system resources for decoding, which made them an optimal choice for the games from that period, which were pushing the computer hardware to its limits for the time.
Although there is no official statement to confirm that, it's assumed that the ACM format was originally developed by BioWare, since all of the games using it were based on BioWare's Infinity Game Engine. A typical ACM file consists of two main parts - a short header, containing important metadata, and an ACM-Stream, containing packed data blocks. The header starts with a special ACM-Signature defining the exact version of the ACM file, followed by information about the total number of samples and channels stored in the file and its bitrate. Although in theory these parameters may vary, in practice all ACM files are either 16-bit mono or 16-bit stereo at 22050Hz. The ACM-Stream section consists of special data structures called BitBlocks that contain the encoded audio data. BitBlocks can have a variable length and can be unpacked into a variable number of samples, which, when combined together, reconstruct the encoded raw audio data.
ACM files are generally not natively supported by media players. However, there are a number of applications developed such as ACM2WAV and ACMPlayer for Windows and libacm for Linux, which allow playback and conversion of ACM files to more common formats, such as WAV.