Of course, all these features are still present in version 4.įor 5.1 Projects, a low-pass filter can be enabled (with a selection of suitable cutoff frequencies) for tracks assigned to the subwoofer.1 or LFE channel. In essence, however, Acid provides a means of adjusting the tempo and pitch of the audio loops in real time.įor example, a drum loop recorded at 120bpm can be automatically time-stretched to play back at 100bpm while maintaining the original pitch.Ĭonversely, a bass line recorded with a root note of A can be pitch-shifted to play back with a root of G but without altering its tempo.Īs described in the earlier reviews, the end result is a system that allows quite complex arrangements of audio loops to be constructed, all with the flexibility of instant pitch or tempo adjustment.Īdd to this an excellent user interface and a host of other features including DirectX effects, video playback and a versatile range of output options, and it is not difficult to see why Acid has carved itself a significant market with musicians and multimedia audio producers. Sonic Foundrys system requirements are pretty basic, a 300MHz processor and 128MB RAM being the key elements.įor those totally new to the software, the reviews of earlier versions are available on the SOS web site. The install application also offers the user the option to register the software via the Internet.
Sonic Foundry Acid Pro 4.0 Install Application Also Topping the list of new capabilities are 5.1 surround sound mixing, step, piano-roll and event-list MIDI editing, ASIO driver support, VST Instrument support and plug-in automation. Version 4 therefore includes an impressive array of new features. Its still a loop-based music creation tool first and foremost, but, aware of both increasing competition and new developments in computer audio (such as an increased interest in surround mixing), Sonic Foundry are continuing to develop the program further.
While the MIDI features of version 3 could perhaps best be described as basic, all the new features were certainly very usable and, despite obvious competition from the likes of Sonar, Acid 3 is an excellent creative tool, either used on its own or synced to a MIDI Audio sequencer.
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