Books

When a book narrator sounds robotic: what to check

If a book narrator sounds robotic, identify the specific problem first: words run together, pauses interrupt sentences, or every sentence has the same intonation. Replay that passage at normal speed and compare it with the source text. Punctuation, text extraction and the selected model can all affect the result, so change one thing at a time.

Find a short passage that shows the problem

Choose a few sentences where the mechanical reading is particularly distracting. Note the chapter and opening words, then replay them. Describe what happens: an incorrectly pronounced word, an abrupt sentence ending, questions read like statements, or unwanted symbols spoken aloud. A specific observation tells you which check to try next.

For example, a flat delivery may suit a straightforward list. If an emotional line of dialogue sounds equally flat, use that line and a nearby narrative sentence for your comparison.

Inspect the original sentence

Open the source file outside TGRadio and find the passage. Check periods, commas, quotation marks and spaces between words. Look for words split across lines, page numbers inserted into paragraphs and repeated page headers. A tidy PDF page does not guarantee that its text layer can be extracted in the correct reading order.

Copy several sentences into a plain text editor outside the app. If words become joined or lines appear in fragments, changing voices will not reconstruct the sentence. You will need to correct a source you have permission to use.

Test the existing audio at a slower pace

Set playback speed to 1 and listen to the selected passage again. If words become clearer and pauses no longer feel rushed, playback pace accounts for part of the discomfort. Then try a nearby setting, such as 1.15 or 1.25. There is no single correct listening speed for every person and book.

Changing playback speed does not require new narration. It also cannot repair a missing period, an incorrectly read word or lines extracted in the wrong order. Assess clarity separately from whether the text has been read correctly.

Change one synthesis setting

If the source sentence looks correct, compare the available models on that same passage. Keep the male or female voice, volume and playback speed unchanged. Compare the voices separately afterward if needed. This helps distinguish a difference in intonation from a preference for a particular voice.

Selecting another model or voice requires new audio to be prepared after you press Play. Another option may handle dialogue or a complicated sentence differently, but it cannot guarantee fully human delivery or error-free narration.

Correct source problems outside the app

If you find joined words or unwanted inserts, edit a copy in an external editor when you have the right to do so. Save the corrected file and upload it as a book. TGRadio has no built-in text editor, pronunciation editor or SSML support. Changing the file format alone does not fix the text.

Test a small corrected passage first. Keep the original file so you can compare versions and preserve the author's punctuation. If the source is correct and none of the available models sounds suitable, that passage may remain unsatisfactory with the current narration options.