More details about DBM Voice are here.
This is Chinese Female Voice pack for DBM WoD. (This is not a standalone addon but a plugin to DBM. Make sure you download DBM first). After downloading, please config voice warning option in /dbm as yike.
DBM 夏一可 语音包
Github: git clone https://github.com/Mini-Dragon/DBM-VoicePack-Yike.git
Also we have English TTS Voice
BTW, you may need the latest alpha DBM to make the best use of it at this early stage. We are still adding more voices and so is DBM.