ESP-TEL: Espressif's Audio Tele-Conferencing Solution

this is a traditional audio teleconferencing phone but the technology behind it is considered rather obsolete nowadays however esp32 is widely used in aiot devices that enable face recognition voice interaction and mesh networking so why not build a cost effective audio teleconferencing device based on esp32 not only will it be able to work as a conference telephone but it will also enable a human machine interaction based on the chip's voice wake up and speech recognition capabilities [Music] espitel is a single chip audio teleconferencing solution based on espressif's esp32 lyra t mini development board no additional digital signal processing chip is needed only one esp32 is used for the front and speech recognition this solution can simultaneously realize the functions of audio conference calling voice interaction and human machine interface espittel is based on the wireless connectivity of esp32 which enables a network connection during a call based on our self-developed algorithms ensuring acoustic echo cancellation and noise suppression we can use up to three microphones to avoid echoes reverberation and other unwanted sounds during the call espitel also uses a voice over internet protocol which can realize the dual channel voice calling function through the network it is also possible to set up a cloud server for handling or even hosting group conference calls hi bob tischer foreign [Music] [Music] as you can see esp tell enables a smooth audio communication among multiple people located in different sites in addition is patel uses espressif's own voice wake-up algorithm this way the board can also function as a voice assistant here we want to highlight that users can customize esp tells command words also we can consistently support over 200 offline command words based on the bluetooth connectivity of esp32 you can also use it as a bluetooth speaker for playing music [Music] another thing you can do is insert a tf card into esp tell which you can then use as a voice recorder furthermore you can connect espittel to an lcd for implementing data visualization and touch operation in general espatel can be used for building wireless intercom doorbells walkie-talkies and bluetooth microphones based on expressive's front-end speech recognition algorithm espittel can also be used in smart speakers voice control devices and storytelling toys for children on top of all this esp32 s3 has additional support for vector instructions in the mcu which accelerates neural network computing and signal processing thus esp32 s3 will provide a better user experience of espital applications if you'd like to learn more about esptel espresso's teleconferencing solution or if you have any questions about it please contact our customer support team by clicking on the link in the video description below thanks for watching

Channel: Espressif Systems

Views: 43,939

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Id: jVVwDic1aO4

Length: 5min 10sec (310 seconds)

Published: Fri Sep 10 2021