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Two pins are used for the mono headphone signal and two pins for the unbalanced microphone signal. The 4-pin XLR connector is also commonly used on amateur radio microphones, but transferring unbalanced audio instead, and using the 4th pin (with the common ground) for a push-to-talk (PTT) circuit activated by a button on the microphone.
Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode. CB radio with push-to-talk microphone switch
It is used instead of a push-to-talk button on transmitters or to save storage space on recording devices. On cell phones, it is used to save battery life. Intercom systems that use a speaker in a room as both a speaker and a microphone will often use VOX on the main console to switch the audio direction during a conversation.
Discord Nitro subscribers received a free "What's Up Wumpus" sticker pack focused on Discord's mascot, Wumpus. [99] In May 2023, Discord made most stickers free to all users. In October 2022, the "Discord Nitro Classic" subscription tier was replaced by a $2.99 "Discord Nitro Basic", which features a subset of features from the $9.99 "Nitro" tier.
Pidgin (formerly named Gaim) is a free and open-source multi-platform instant messaging client, based on a library named libpurple that has support for many instant messaging protocols, allowing the user to simultaneously log in to various services from a single application, with a single interface for both popular and obsolete protocols (from AIM to Discord), thus avoiding the hassle of ...
Zello is a live voice push-to-talk communication platform that turns any smart device into a digital two-way radio that works over Wi-Fi and cell networks anywhere in the world.
If "lower call costs" were the main issue, cellular carriers would hardly offer push to talk services. So ability to talk instantly to one or many people with very easy-to-understand user interaction, which is known from walkie-talkies, enables new forms of mobile communication. However, the walkie-talkie analogy breaks down fast.
Nettalk is a free and open-source IRC Client for Windows. It is a fully-fledged IRC client with UTF-8 and DCC file transfer support. [2] The program is available in Dutch, English, French, German, Hungarian, Italian, Russian, Simplified Chinese, Spanish and Swedish as of version 6.7.13.