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ai speech glossary

ai speech glossary

ai speech glossary

explore speech generation, conversation flow, and voice evaluation through definitions and worked examples

explore speech generation, conversation flow, and voice evaluation through definitions and worked examples

explore speech generation, conversation flow, and voice evaluation through definitions and worked examples

Barge-in
How callers interrupt a spoken reply, including stopping playback and handling queued audio.
Voice agents
Barge-in
How callers interrupt a spoken reply, including stopping playback and handling queued audio.
Code-switching
How speech moves between languages, with a Hindi-English example and a comparison to code-mixing.
Speech generation
Code-switching
How speech moves between languages, with a Hindi-English example and a comparison to code-mixing.
Endpointing
How a voice agent decides the caller has finished, and why a pause does not always end a turn.
Voice agents
Endpointing
How a voice agent decides the caller has finished, and why a pause does not always end a turn.
Grapheme cluster error rate (GCER)
How grapheme clusters change transcript scoring, with Latin and Devanagari calculation examples.
Evaluation
Grapheme cluster error rate (GCER)
How grapheme clusters change transcript scoring, with Latin and Devanagari calculation examples.
Neural audio codec
How audio becomes tokens a voice model can predict, and how those tokens become sound again.
Speech generation
Neural audio codec
How audio becomes tokens a voice model can predict, and how those tokens become sound again.
Prosody
How pitch, stress, rhythm, and pauses change the way a sentence is understood.
Speech generation
Prosody
How pitch, stress, rhythm, and pauses change the way a sentence is understood.
Streaming TTS
How speech reaches the listener in chunks, and how streaming audio differs from streaming text input.
Speech generation
Streaming TTS
How speech reaches the listener in chunks, and how streaming audio differs from streaming text input.
Text normalization
How numbers, dates, amounts, and identifiers become spoken words before speech generation.
Speech generation
Text normalization
How numbers, dates, amounts, and identifiers become spoken words before speech generation.
TTS latency
What TTFB, TTFA, and playback start measure, and how they differ from a full voice-agent response.
Evaluation
TTS latency
What TTFB, TTFA, and playback start measure, and how they differ from a full voice-agent response.
Voice activity detection (VAD)
How a detector separates speech from non-speech, and why a speech segment is not a conversational turn.
Voice agents
Voice activity detection (VAD)
How a detector separates speech from non-speech, and why a speech segment is not a conversational turn.

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2026 - rumik

join us

we are a close-knit group of researchers, engineers, and designers working on the hardest problems in ai.

rumik ai

api

text to speech

text to speech

playground

playground

ai glossary

ai glossary

api keys

api keys

agents

agents

pricing

pricing

documentation

documentation

support

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community

X

linkedin

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youtube

company

contact

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research

research

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ira

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2026- rumik