本文档汇总火山语音各产品线的可用模型及其支持的功能与参数，便于您在调用接口前确认所选模型的能力边界 ## 语音合成 **豆包语音合成大模型** 基于新一代语音大模型，可将文本转化为自然流畅、富有表现力的高质量语音，广泛适用于智能助手、有声内容、数字人播报、智能客服等多种业务场景，主要包含模型版本如下 * **豆包语音合成大模型2.0** * **标准版 ** `seed-tts-2.0-standard`：延时更优，表现稳定，不支持语音指令QA和语音标签Cot能力 * **高表现力版 ** `seed-tts-2.0-expressive`：表现力较强，支持语音指令QA和语音标签Cot能力，但生成效果稳定性存在波动，可能需多次尝试以获得理想结果 **豆包声音复刻大模型** 基于少量参考音频即可完成目标音色的复刻，生成贴近原声的合成音频，适用于个性化音色定制、品牌专属音色等场景。当前主要包含以下模型版本: * **豆包声音复刻大模型 ** `seed-icl-2.0` **：** 支持调用声音复刻接口生成的专属音色进行音频合成

注意

使用豆包声音复刻大模型（ICL）前，需先通过声音复刻接口完成目标音色的训练

豆包语音合成大模型2.0（简称TTS2.0）、豆包声音复刻大模型（简称ICL 2.0）的功能差异对比如下 |**模型名称** |**TTS 2.0** |**ICL 2.0** | |---|---|---| |**适用音色** |[豆包语音合成大模型2.0音色](https://www.volcengine.com/docs/6561/1257544?lang=zh#%E8%B1%86%E5%8C%85%E8%AF%AD%E9%9F%B3%E5%90%88%E6%88%90%E6%A8%A1%E5%9E%8B2-0-%E9%9F%B3%E8%89%B2%E5%88%97%E8%A1%A8) |可使用声音复刻接口训练的音色 | |**SSML** |仅支持标签 |仅支持标签 | |**时间戳**

> `"enable_subtitle":True` |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_c8aca8eda799091da362ca37dc86bd2e.png) | |**语音指令**

> `"context_texts":[]` |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) | |**语音标签cot解析**

> `"use_tag_parser":True` |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**AIGC生成标识** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**Latex公式朗读** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | ## 语音识别 **豆包流式语音识别模型** 豆包流式语音识别模型基于大模型能力，可将音频实时转写为文本，实现 "边说边出字" 的交互体验。模型提供两种调用模式以适配不同业务场景 * **双向流式**：在说话过程中可逐字输出识别结果，并随着语义完整度持续修正，适用于实时会议字幕、直播字幕、智能外呼等需要即时呈现文字的场景。 * **流式输入**：在说完一句话后输出该句的完整识别结果，适用于智能体对话、语音消息转写、语音输入法等以句子为单位处理语音的场景。按计费方式划分，模型提供以下两个版本： * **小时版 ** `volc.seedasr.sauc.duration`：按实际语音识别时长计费，支持“资源包预付费”和“按调用后付费”两种计费模式，详见[计费说明](https://www.volcengine.com/docs/6561/1359370?lang=zh&_vtm_=a106466.b106468.0_0.0_0.0.129_7628865223276938794#%E6%8C%89%E8%B0%83%E7%94%A8%E5%90%8E%E4%BB%98%E8%B4%B9) * **并发版 ** `volc.seedasr.sauc.concurrent`：按并发数包月付费，不再收取时长费用；需在[控制台](https://console.volcengine.com/speech/new/purchase?ResourceID=volc.seedasr.sauc.duration&projectName=default)预付费购买并发资源，购买后在并发额度内不限时长使用。 **豆包录音文件识别模型** 支持将音频文件（ **≤5小时**）转写成文本数据，内置自动标点、语义顺滑、数字规整、智能分句等功能，可按需自由组合，适用于非实时的语音识别场景。豆包录音文件识别模型提供三个版本，可根据对识别时效与成本的不同要求选择 |**模型版本** |

豆包录音文件识别标准版

volc.seedasr.auc

豆包录音文件识别极速版

volc.bigasr.auc_turbo

豆包录音文件识别闲时版

volc.bigasr.auc_idle

| |---|---|---|---| |**基本介绍** |上传录音文后，通过查询接口获得结果 |上传录音文件后快速返回结果，无需查询 |利用闲时算力识别，成本更低 | |**返回时间** |适中，3h内返回 |极速，30min音频10s返回 |较慢，24h内返回 | |**音频时长** |<5h |<2 |<5h | |**文件大小** |<512MB |<100MB |<512MB | 三个版本在功能支持上略有差异，对比如下: |**功能项** |

豆包流式语音识别模型2.0

豆包录音文件识别模型2.0

||| |---|---|---|---|---|---| |**接入方式** |**双向流式** |**流式输入** |**标准版** |**极速版** |**闲时版** | |**支持语种** |中英文 |中英文、方言、小语种 |中英文、方言、小语种 |中英文、方言、小语种 |中英文、方言、小语种 | |**热词** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**正则替换词** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**敏感词过滤** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**智能分句** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**字/词时间戳** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**上下文** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**语义顺滑**

> `"enable_ddc":True`

> 目前仅支持中英文 |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**文本归一化**

> `"enable_itn":True`

> 开启后：“一九七零年”\-\>“1970年 |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**双声道识别** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**输出语音停顿、分句、分词信息** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**性别检测** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**语种检测** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**情绪检测** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**Function Call**

> 支持音乐、地图领域的推荐词辅助识别 |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png)

|![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) | |**说话人分离** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) | ## 实时语音豆包端到端实时语音大模型是一款超拟人、低时延的实时语音交互模型，采用端到端架构直接处理语音输入与输出，在保证自然拟人表达的同时显著降低交互延迟，主要用于实现语音对话交互能力。模型支持**中文**和**英文**两大语种，目前提供以下两个版本: **S2S\-Omni版本（S2S\-O版本）** ：面向通用语音交互的端到端低时延模型，引入合规授权曲库，支持唱歌等富媒体表达，适用于闲聊陪伴、智能客服、车载交互等多种场景 **S2S\-Strong Character版本**：面向角色扮演与情感陪伴的强人格模型，内置完善的角色控制指令体系，输出文本可携带角色相关的动作与表情描述，适用于虚拟陪伴、互动剧情、IP 角色对话等场景 |**功能** |**O2.0版本** |**SC2.0版本** | |---|---|---| |**精品音色**

> 包含音色：vv、xiaohe、yunzhou、xiaotian |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) | |**System Prompt配置** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**复刻音色**

> 支持声音复刻v3接口克隆的音色 |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**唱歌** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_5b65f36c2a362602747d3fe37cc29895.png) | |**联网搜索** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**热词** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**正则替换词** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) | |**AIGC内容标识** |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |![图片](https://portal.volccdn.com/obj/volcfe/cloud-universal-doc/upload_2204755b0a4036d4cab75d9a562fefdd.png) |