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1. 发明授权

US09646601B1 Reduced latency text-to-speech system 有权
公开(公告)号：US09646601B1
公开(公告)日：2017-05-09
申请号：US13951825
申请日：2013-07-26
申请人： Amazon Technologies, Inc.
发明人： Jacek Jerzy Jedrzejczak , Krzysztof Franciszek Swietlinski , Michal Tadeusz Kaszczuk , Lukasz Maciej Osowski
IPC分类号： G10L13/08 , G06F17/21 , G10L13/02
CPC分类号： G10L13/02 , G06F17/21 , G10L13/04
摘要： In delivering text-to-speech (TTS) results to a user, the time between the user request and delivery of initial TTS results is reduced using one or more of various techniques. Caching of TTS results may be reconfigured to cache unit indices rather than full speech synthesis results. More powerful computing resources may be dedicated to early TTS processing. A user may be notified of TTS results prior to complete processing of a TTS request. Early TTS processing may be performed by a local device and then passed to a remote device.

2. 发明授权

US09704476B1 Adjustable TTS devices 有权
公开(公告)号：US09704476B1
公开(公告)日：2017-07-11
申请号：US13929104
申请日：2013-06-27
申请人： Amazon Technologies, Inc.
发明人： Krzysztof Franciszek Swietlinski , Michal Tadeusz Kaszczuk
IPC分类号： G10L13/08 , G10L13/00
CPC分类号： G10L13/04
摘要： In a distributed text-to-speech (TTS) system, a remote TTS device, such as a TTS server, may experience increased loads of TTS requests, which may result in delayed processing of TTS requests. To avoid such delays, upon indication or prediction of an increased load, a TTS server may adjust unit selection TTS processing by altering unit selection techniques to speed processing, at the expense of potential result quality. Such techniques may include use of a reduced size unit database, a narrow Viterbi beam search, and/or a reduced size candidate unit graph.

3. 发明授权

US09978359B1 Iterative text-to-speech with user feedback 有权
公开(公告)号：US09978359B1
公开(公告)日：2018-05-22
申请号：US14098677
申请日：2013-12-06
申请人： Amazon Technologies, Inc.
发明人： Michal Tadeusz Kaszczuk , Jeffrey Penrod Adams , Adam Franciszek Nadolski
IPC分类号： G10L13/00 , G10L13/02
CPC分类号： G10L13/02 , G10L13/00 , G10L13/06
摘要： A text-to-speech (TTS) processing system may be configured for iterative processing. Speech units for unit selection may be tagged according to extra segmental features, such as emotional features, dramatic features, etc. Preliminary TTS results based on input text may be provided to a user through a user interface. The user may offer corrections to the preliminary results. Those corrections may correspond to the extra segmental features. The user corrections may then be input into the TTS system along with the input text to provide refined TTS results. This process may be repeated iteratively to obtain desired TTS results.

4. 发明授权

US09508338B1 Inserting breath sounds into text-to-speech output 有权
标题翻译：将呼吸音插入文本到语音输出
公开(公告)号：US09508338B1
公开(公告)日：2016-11-29
申请号：US14081233
申请日：2013-11-15
申请人： Amazon Technologies, Inc.
发明人： Michal Tadeusz Kaszczuk , Maciej Tegi , Michal Czuczman , Remus Razvan Mois
IPC分类号： G10L13/08 , G10L13/02
CPC分类号： G10L13/02 , G10L13/06 , G10L2013/083
摘要： A text-to-speech (TTS) system may be configured to incorporate breath sounds in the output speech. By incorporating breath sounds into speech output from text a TTS system may be able to mimic more naturally sounding human speech, particularly for long-form narration of text longer than short phrases. The breath sounds may be stored as units for unit selection or may be generated during parametric synthesis. The acoustic features of the breath sounds and duration between breaths may depend upon the punctuation of text, the linguistic distance between breaths, the breaks between intonational phrases, the linguistic context of the breaths, and other factors.
摘要翻译：文本到语音（TTS）系统可以被配置为在输出语音中包含呼吸音。通过将呼吸音融合到文本的语音输出中，TTS系统可能能够模仿更自然地发出的人类语音，特别是对于长于短语的文本的长时间叙述。呼吸音可以存储为用于单位选择的单位，或者可以在参数合成期间产生。呼吸声的声学特征和呼吸之间的持续时间可能取决于文本的标点符号，呼吸之间的语言距离，语调之间的间隔，呼吸的语言背景以及其他因素。

5. 发明授权

US09484014B1 Hybrid unit selection / parametric TTS system 有权
标题翻译：混合单元选择/参数TTS系统
公开(公告)号：US09484014B1
公开(公告)日：2016-11-01
申请号：US13771545
申请日：2013-02-20
申请人： Amazon Technologies, Inc.
发明人： Michal Tadeusz Kaszczuk , Lukasz Maciej Osowski
IPC分类号： G10L13/08
CPC分类号： G10L13/086 , G10L13/06
摘要： In a text-to-speech (TTS) system, a database including sample speech units for unit selection may be include both units represented by sample audio segments as well as parametric representations of units created by Hidden Markov Models (HMMs). Inclusion of parametric representations in the database may reduce the storage necessary to maintain the database. The parametric representations may be configured to match a voice of the audio segments. The parametric representations may correspond to phonetic units that are less frequently encountered in TTS processing, such as rare diphones or phonemes corresponding to foreign languages. Multiple foreign language HMM models may be used to enable polyglot synthesis with a reduction in storage capacity requirements. Parametrically stored speech units may be combined with speech segments generated during processing time by a parametric model.
摘要翻译：在文本到语音（TTS）系统中，包括用于单元选择的采样语音单元的数据库可以包括由示例音频段表示的单元以及由隐马尔可夫模型（HMM）创建的单元的参数表示。在数据库中包含参数表示可能会减少维护数据库所需的存储空间。参数化表示可以被配置为匹配音频段的语音。参数表示可以对应于在TTS处理中较少遇到的语音单元，例如对应于外语的稀有双耳或音素。可以使用多种外语HMM模型来实现多隙合成，同时降低存储容量要求。参数存储的语音单元可以与在处理时间期间通过参数模型生成的语音段组合。

6. 发明授权

US09311912B1 Cost efficient distributed text-to-speech processing 有权
标题翻译：经济高效的分布式文字到语音处理
公开(公告)号：US09311912B1
公开(公告)日：2016-04-12
申请号：US13947354
申请日：2013-07-22
申请人： Amazon Technologies, Inc.
发明人： Krzysztof Franciszek Swietlinski , Michal Tadeusz Kaszczuk
IPC分类号： G10L13/00 , G10L13/04 , G10L13/02
CPC分类号： G10L13/04 , G10L13/00
摘要： Text-to-speech (TTS) processing systems may be divided among remote TTS servers which are accessible through a network connection to local user devices. The costs for performing processing on these servers may vary according to time. To improve efficiency of TTS processing certain requests may be scheduled during low cost server times. A user may indicate a preference for such low cost delivery. A user may also indicate a preference for quick turnaround time, permitting scheduling of TTS processing during higher cost server times. A TTS processing system may also consider quality of TTS results when scheduling server processing time for a particular TTS request and may allocate more server time when higher quality results are desired.
摘要翻译：文本到语音（TTS）处理系统可以在通过与本地用户设备的网络连接可访问的远程TTS服务器之间划分。在这些服务器上执行处理的成本可能会随时间而变化。为了提高TTS处理的效率，可以在低成本的服务器时间内安排某些请求。用户可以指示这种低成本递送的偏好。用户还可以指示快速周转时间的偏好，允许在更高成本的服务器时间期间进行TTS处理的调度。当调度特定TTS请求的服务器处理时间时，TTS处理系统还可以考虑TTS结果的质量，并且当需要更高质量的结果时可以分配更多的服务器时间。

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