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P and B sounds, pen pencil, Can be aspirated (with a puff of air) or…
P and B sounds
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B sounds
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Airflow: Both block the airflow with the lips, but /b/ releases with vocal cord vibration, while /p/ does not.
Aspiration: /p/ can be aspirated, but /b/ is generally unaspirated.
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P is more common at the beginning of words (e.g., pool, play).
B can appear in initial, medial, and final positions (e.g., book, cab, thumb).
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P and B sounds are often challenging for non-native speakers, particularly in languages that don't differentiate between voiced and voiceless stops.
In some accents, such as some varieties of British English, the distinction between /p/ and /b/ may be less pronounced in rapid speech.
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Can be aspirated (with a puff of air) or unaspirated (without a puff of air), depending on the position in the word.
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