It looks like there might be a small typo in your request, as “Diphone Marker” could refer to a couple of entirely different concepts depending on whether you mean a linguistic technology tool or an iPhone feature. 1. Diphone Markers in Speech Synthesis (Linguistics & AI)
In computer science and phonetics, a diphone is an adjacent pair of phones (speech sounds) representing the transition from one sound to another.
The Role of a Marker: When building databases for text-to-speech (TTS) systems, engineers use pitch markers or cut-markers to tag the optimal points where two different audio recordings should be spliced together.
Why it Matters: Placing these markers precisely ensures that the natural pitch and periodic wave flow of a human voice are not disrupted, leading to smoother, less “robotic” automated speech. 2. The iPhone Markup/Marker Tool (Mobile Technology)
If you meant “iPhone Marker”, you are likely thinking of the pen and highlighter options built into Apple’s native Markup utility. This digital tool allows users to draw, sketch, or redact text on photos and screenshots.
The Privacy Risk: A very common misconception is using the default marker or highlighter tool to scribble over and “hide” sensitive information (like passwords or credit card numbers) on a screenshot.
Why it’s Unsafe: Because the digital marker tool has built-in transparency layers, the underlying text is not completely erased. Anyone can simply save the image, open it in an editor, and crank up the brightness, exposure, and brilliance to 100% to make the hidden text clearly visible through the marker stroke.
How to securely hide details: If you need to redact info on an iOS device, do not use the brush or marker. Instead, tap the ”+” icon in Markup and add a solid geometric shape (like a rectangle) filled with 100% opaque color.
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