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This displays the effective pitch curve on the user interface. Another feature included is Pitch Rendering, which all imported vocals can use. Cross-synthesis only works with vocals from the same character, making use with packages like VY1v4 possible, but not packages such as Anon and Kanon.
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This feature is accessible when using Vocaloid 3 and Vocaloid 4 vocals, but not Vocaloid 2. Cross-synthesis was also added, allowing the user to switch between two of a character's vocals built for the same language smoothly using a time-varying parameter. One of the new features is a 'Growl' feature which allows vocals built for Vocaloid 4 to take on a growl-like property in their singing results. The new engine includes other features, but not all of them are accessible by Vocaloid 2 and Vocaloid 3 vocals. The Vocaloid 4 engine allows the importing of Vocaloid 2 and Vocaloid 3 vocals, though Vocaloid 2 vocals must have already been imported into Vocaloid 3 for this to work.
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