Voice robot is a definition that generally refers to any type of audio signal that is produced like human speech but generated by a computer system. This can be achieved in a variety of ways, including creating an archive of spoken words or sounds, which are then properly collected by a computer. A voice robot is often used when robot calls in automated call center software, which can include both fully recorded messages and custom responses to human feedback. Voice modulation or alteration can also be done by someone using a computer to make the original human sound sound like a computer.
The term "voice robot" is often used generically to refer to almost any type of speech, that is generated or modified by an electrical or computer system. In fact, these voices may have absolutely nothing to do with a real robot, so the term may be misleading. There are many different programs and websites that can be used to create a robot voice, often based on text entered by the user. This text is then used to tell the system which bits of the recorded audio should be used and put together to create a voice response.
It is also possible to create a robot voice completely in digital format, without any original recordings of a human voice. This type of sound can be obtained by creating sound signals that resemble various words or units of language that are often spoken during human speech. Collecting these sounds together in an appropriate way, all this together creates words in the robot's voice. Such voices are often considered characteristic of science fiction works of the past, and the reality of modern artificial intelligence (AI) systems allows the creation of robots with much more human-like voices.
Voice robot can also be obtained by heavily modulating and changing the recorded or a real-time audio sample of a person played back. It is not necessary to take separate fragments of the language and put them together, but simply change the original sounds so that they seem electronic or robotic. Audio recordings can be altered with various hardware and software to resemble the Voice Robot, often by modulating and changing the sound to a lower pitch. There are also devices that can change a person's voice in real time by speaking into the microphone and then transmitting the changed voice through the speaker.