I have done the coding for converting speech into text.I just want to know which minimum version of android required for this.
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Are you asking about Text To Speech or Speech To Text? – Amokrane Chentir Oct 20 '12 at 14:31
2 Answers
Text to Speech was introduced in Android 1.6 : Donut, as mentioned in the documentation.
Also check out the blogpost here.
EDIT : In case, you meant RecognizerIntent of the SpeechToText API, it requires an API level of Android 1.5 : Cupcake.

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The package android.speech has existed since API level 3 (i.e. Android v1.5). Many classes, interfaces, constants in this package have appeared much later. The RecognitionService
-class (which many keyboard apps use) came in API level 8. Not much has happened since but every API level has still added a few things.
So it really depends on which interface your app wants to use (the plain RecognizerIntent
-intent or the RecognizerService
), and which speech recognizer implementation it wants to use (Google Voice Search?) and for which versions this implementation is available.

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