Sarvam AI 发布 Bulbul V4 Flash:11 种印度语言实时语音,首音频延迟低于 250 毫秒
Sarvam AI 推出文本转语音模型 Bulbul V4 Flash,支持 11 种语言,首音频延迟低于 250 毫秒,定价 ₹20/1 万字符,较 Bulbul V3 的 ₹30 降价三分之一。该模型提供 83 种音色和 224 种音色与风格组合,在可比负载下比 V3 快最多 40%,已通过 Sarvam API、Playground 和 Content Studio 开放,现有 Bulbul 用户可经原 API 迁移。Sarvam 还预览了主打情感表达的 Bulbul V4 Pro,但未公布发布时间与价格。
ing Bulbul users can migrate to V4 Flash through the existing Bulbul API. Sarvam said it expanded its proprietary speech datasets nearly sevenfold compared with V3, increasing coverage across languages, regional accents, speakers, emotional registers and conversational styles. The company pretrained V4 from scratch with a focus on Indian language representation and used a language-balanced training process to improve pronunciation and preserve the characteristics of individual languages. “Region
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