9. A method comprising: receiving, by a device comprising a processor, first text data and second text data; converting, by the device, at least a part of the first text data into first synthesized voice data based, at least in part, on first voice data; converting, by the device, at least a part of the second text data into second synthesized voice data based, at least in part, on transformed second voice data that is transformed from second voice data by a voice transformation function, wherein the voice transformation function relates to a power spectrum difference between the first voice data and the transformed second voice data; sending, by the device, the first synthesized voice data to a first speaker to render the first synthesized voice data and the second synthesized voice data to a second speaker to render the second synthesized voice data, wherein the first synthesized voice data and the second synthesized voice data are to be rendered substantially simultaneously, and wherein the voice transformation function facilitates distinguishing the first voice data from the second voice data as distinct data sources; and in response to receiving, by the device, via an input device, an indication that corresponds to a selection of the first synthesized voice data or a selection of the second synthesized voice data, causing, the device to generate sound, via at least one of the first speaker or the second speaker, that represents additional data corresponding to the first synthesized voice data or the second synthesized voice data based on the indication.
11. The method of claim 9 , wherein the receiving the indication comprises receiving a movement of the input device in a direction of the first speaker or the second speaker.