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1. 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。

2. 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.

3. 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.

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