1     Version

V2.1

2    Functions

Unidirectional Speech Translation (MMC-UST):

  1. Receives
    1. Language Preference – Language of Speech and Target Speech.
    2. Input Text – Text to be translated
    3. Input Speech – Speech to be translated
    4. Input Selector – indicates whether
      1. Input is Text of Speech
      2. Speech Features of Input Speech should be preserved in Translated Speech.
  2. Produces Translated Text or Speech.

3      Reference Model

Figure 1 describes the input/output data, the AIMs and the data exchanged between AIMs.

Figure 1 – Reference Model of Unidirectional Speech Translation (UST)

4      I/O Data

The input and output data of the Unidirectional Speech Translation Use Case are:

Table 1 – I/O Data of Unidirectional Speech Translation

Input Descriptions
Input Selector Determines whether:
1.     The input will be in Text or Speech
2.     The Input Speech features are preserved in the Output Speech.
Language Preferences User-specified input Language (A) and output Language (B).
Input Speech Speech produced in Language A by a human desiring translation into language B.
Input Text Alternative textual source information to be translated into and pron­ounced in language B depending on the value of Input Selector.
Output Descriptions
Translated Speech Input Speech translated into language B preserving the Input Speech features in the Output Speech, depending on the value of Input Selector.
Translated Text Text of Input Speech or Input Text translated into language B, depending on the value of Input Selector.

5     JSON Metadata

https://schemas.mpai.community/MMC/V2.1/AIWs/UnidirectionalSpeechTranslation.json

6     SubAIMs

 AIMs Name JSON
– MMC-ASR Audio Scene Description X
– MMC-TTT Text-to-Speech X
– MMC-ISD Input Speech Description X
– MMC-TTS Text-to-Speech X