Abstract: An accessible electronic door entry system that includes an outdoor panel that comprises a capturing microphone, an analog audio interface that digitizes sound, a threshold detector that discriminates the quality of the sound, acoustic models that represent the pronunciation of phonemes, a phoneme generator, contexts that represent the assembly of words and/or phrases and grammatical rules, a recognizer that compares the phonemes, an analyzer of words and/or phrases, a text-to-speech or TTS converter, an analog audio interface that converts the digital signals into analog ones, a communications bus of the electronic door entry system, an electronic door entry system interface that connects the bus and transmits the detected commands to the terminals and establishes the audio and/or video communication, a loudspeaker that plays the audio signals, an agenda, a RAM memory, a Flash memory and a CPU or processor that controls and manages the rest of the elements of said panel.

Abstract: Two-wire multichannel video door system that comprises at least two street panels (20) with video camera (18) and home terminals, provided with an intercom, or with a monitor intercom. Characterized in that the street panels comprise the following: a digital BNFSK modulator and a digital BNFSK demodulator for transmitting audio and data to an intercom terminal, provided with a digital BNFSK modulator and a digital BNFSK demodulator; and a digital PPM modulator and a digital PPM demodulator for the transmission of audio and video to a monitor terminal, provided with a digital BNFSK modulator and a digital BNFSK demodulator and a digital PPM modulator and a digital PPM demodulator, to maintain at least two simultaneous bidirectional audio conversations between two terminals with two street panels, and to send video from the street panels to the terminals at the same time, using any type of conventional cabling.