ACE Studio is a professional AI vocal synthesis workstation that leverages powerful AI technology to allow users to generate studio-quality AI vocals from MIDI and lyrics. The product supports vocal synthesis in multiple languages, including English, Spanish, Chinese, and Japanese, covering various music styles such as pop, soul, and Latin. One of ACE Studio's main advantages is its high level of editability; users can not only change the voices in a song but also edit melodies, lyrics, and even music styles, creating unique vocal effects. Furthermore, ACE Studio provides an AI-driven track separator and a vocal-to-MIDI function, making the vocals of any song editable. The background information indicates that ACE Studio aims to provide tools for music producers and composers to enhance their music production processes. It serves not only as an AI vocal synthesizer but also as a platform for music creation and editing. Regarding pricing, ACE Studio offers a free trial, allowing users to start experiencing the service at no cost, although specific pricing details are not clearly outlined on the webpage.