1. A system comprising: a memory; and at least one hardware processor coupled to the memory and comprising instructions that causes the system to perform operations comprising: causing display at a client device, of a presentation of a space, the presentation of the space including at least a first person; detecting, by the client device, speech that includes speech properties; identifying the first person as a source of the speech; transcribing the speech to a text string based on the speech properties; determining an emotional effect of the speech based on the speech properties; selecting a speech bubble from a speech bubble library based on the emotional effect of the speech; and causing display of the speech bubble at a position adjacent to the first person within the presentation of the space in response to the identifying the first person as the source of the speech, the speech bubble containing a display of the text string.