SI
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... (ASR), speaker identification or verification (SI/SV), and rendering
text into audio, also known as Text-to-Speech ...
... requirements document limits its focus to the
distributed control of ASR, SI/SV, and TTS servers.
...
... approach to control of TTS, ASR, and SI/SV. These include
environments such as Voice over IP (VoIP ...
... | Media |/ SPEECHSC \---| ASR, SI/SV, |
| Processing |-------------------------| and/or TTS |
...
... results in response to an RTP stream as input (ASR, SI/SV). The
"Application Server" is a network element ...
... SPEECHSC, one each for TTS, ASR, and SI/SV.
They are intended to be illustrative only, and not to imply any
restriction on the scope of the framework ...
... SPEECHSC framework
to set up an RTP stream between the phone and the SPEECHSC SI/SV
server and to request verification. The SV ...
... TTS, an inbound for ASR, and a different inbound for
SI/SV (e.g., if processed by different elements on the Media Resource
...
... limited utility. Speech-impaired users may be unable to make use of
ASR or SI/SV capabilities. Therefore, systems employing SPEECHSC
MUST provide alternative interaction modes or avoid the use of speech
...
... Requesting SI/SV ...
... SPEECHSC framework MUST allow a Media Processing Entity to
request the SI/SV Server to perform speaker identification or
verification on an RTP stream, returning the results over SPEECHSC ...
... Identifiers for SI/SV ...
...
The SPEECHSC framework MUST work with SI/SV servers that maintain
state to handle multi-utterance verification ...
... method for capturing the input
media stream for later analysis and tuning of the SI/SV engine. The
framework may assume all servers are capable of doing so. In
...
... SI/SV Functional Extensibility ...
... The SPEECHSC framework SHOULD be extensible to additional functions
associated with SI/SV, such as prompting, utterance verification, and
retraining.
...
... critical to properly secure both the control and data
channels, as recommended above. The following issues specific to the
use of SI/SV for authentication should be carefully considered:
...
...
Further discussion of the use of SI/SV as an authentication
technology, and some recommendations concerning advantages and
...