purchase from Sierra when it first sold the device. Although the MT-32's high price prevented it from dominating the end-user market of gamers, other PC publishers quickly followed Sierra's lead, expanding the role of music in their own game titles with Roland supporting the industry by releasing CM modules for computer users. The MT-32 remained popular for musical composition well into the early 1990s, when the game-industry began to shift toward CD Audio. For a time, it was described as providing "the most realistic sound available in computer gaming today". The proliferation of the General MIDI standard, along with competition from less expensive "wavetable" sample-based soundcards, led to the decline of musical soundtracks using the MT-32's proprietary features. Games that played General MIDI tracks on the MT-32 initialized the MT-32's sound bank to approximate the General MIDI Level 1 (GM1) specification, but avoided any of the MT-32's hallmark music-synthesis features, adhering to GM1's rather limited set of controllers. Emulation Due to the popularity of the MT-32 as a music playback device for computer games, many modern sound cards provide a simple "MT-32 emulation mode", usually realized by way of a sound mapping comprised either of General MIDI instruments rearranged to roughly represent the MT-32's preset sound bank, or of samples directly recorded from the original unit. Later modules like most of the Roland Sound Canvas series, Yamaha MU-series and the Kawai GMega feature such limited MT-32 backwards compatibility modes. Results are often considered poor, as the sampling technology used can not reflect the pitch- and time-variable characteristics of the original synthesizer technology, and programming of custom sounds (see above) is not being supported at all. One exception is the Orchid SoundWave 32 card released by Orchid Technology in 1994, whose on-board digital signal processor (DSP) allowed for a more faithful reproduction of the original sound characteristics. More recently, there have been attempts at emulating the LA synthesizer technology in software using images of the original PCM and control ROMs. The most notable of these emulators is the open-source project Munt, which emulates the MT-32 hardware by way of a virtual device driver for Microsoft Windows, or a virtual MIDI device for OS X, BSD and Linux. It is also incorporated into ScummVM, an open-source adventure game interpreter, as of version 0.7.0. Munt is based on an earlier MT-32 Emulation Project, which was the source of a short-lived legal argument over