brailcom/speechd

spelling support for various modules

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#911 opened on May 9, 2024

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enhancementhelp wanted

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Description

Is your feature request related to a problem? Please describe.

spd-say -o espeak-ng -s hello

pronounces "hello" instead of spelling it.

Various other modules have the same issue, it seems only the festival, ibmtts and ivona have support for it.

Describe the solution you'd like It should be spelt.

Additional context Possibly adding spell-out ssml tags will be enough to get it to work with ssml-powered syntheses such as espeak-ng. For others, if they don't have an interface for this such as e.g. festival has, we would want to support it by requesting speaking the letters one by one, also see https://github.com/brailcom/speechd/issues/905

Contributor guide

Research direction
Investigate how festival, ibmtts, and ivona implement spelling. For espeak ng, consider using SSML 'spell out' tags or speaking each character individually. Refer to issue #905 for related discussion.
Tech stack
c
Domain
accessibilitybackend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
CGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70