Synthesizer V

Synthesizer V（シンセサイザーブイ, also known as Synth V）is a singing voice synthesizer software product developed by Dreamtonics Co., Ltd..

Synthesizer V

Developer(s)	Dreamtonics Co., Ltd.
Initial release	19 August 2018 (Beta) 23 December 2018 (R1) January 2020 (web version) July 2020 (R2) December 2020 (AI) 21 March 2025 (2)
Stable release	2.0.4 / March 26, 2025; 2 months ago (2025-03-26)
Operating system	Windows 10/11/macOS/Linux
Available in	Interface: Chinese (Traditional), Chinese (Simplified), English, French, German, Japanese, Korean, Portuguese, Spanish, Russian, Vietnamese singing synthesis: English, Chinese, Japanese, Cantonese, Spanish, Korean
Type	Voice synthesizer
License	Proprietary
Website	dreamtonics.com/synthesizerv/

Overview

Synthesizer V Studio's singing synthesis combines concatenative synthesis and neural network based singing voice synthesis.^[1] Synthesizer V Studio is available in various free and paid versions, named "Synthesizer V Studio Basic" and "Synthesizer V Studio Pro" respectively. Some Singer Libraries are available in lite version, which functionalities are restricted.

History

Synthesizer V sprung from the development of the UTAU resampler known as Moresampler, both of which were developed by Kanru Hua.^[2][3][4] It was released on Beta version on 19 August 2018, and released R1 version on 23 December.^[5] On January 2020, the web version, which functionality is restricted was launched.^[6] On July 2020, R2 version also known as std version was released, and which editor was renamed "Synthesizer V Studio". On December 2020, Synthesizer V Studio introduced AI engine. rapping vocals and cross-lingual singing synthesis (English, Japanese language, Chinese language, Cantonese, and Spanish language) are supported by later upgrade.^[7][8][9] On 21 March 2025, Synthesizer V 2 (SV2) was released, improved synthesis quality and processing speed, and added new and improved functions.^[10]