A telephone with a built-in loudspeaker and microphone that allows hands-free conversation. A device that enables multiple people to participate in a phone call without holding a handset.
Compound word combining 'speaker' (from Old English specan, to speak) and 'phone' (from Greek phone, meaning voice or sound). This technology emerged in the mid-20th century as telecommunications advanced.
The speakerphone revolutionized business communication by enabling conference calls and multitasking during phone conversations. Interestingly, the acoustic challenges of preventing feedback and echo in speakerphones drove significant innovations in audio processing technology.
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