Display apparatus and voice conversion method thereof

A display apparatus comprising:

• a detection unit which, in response to receipt of a first video frame, detects one or more entities from the first video frame;
• a user interface (UI) unit which receives a first selection regarding an entity to be a subject to voice conversion and a second selection regarding a voice sample to be applied to a selected entity;
• a storage unit which stores an entity, which is selected from the detected entities via the UI unit, and a voice sample, which is selected via the UI unit;
• and
• a control unit which, in response to receipt of a second video frame including the selected entity, changes a voice of the selected entity based on the selected voice sample and outputs the changed voice.

A method comprising:

• in advance, selecting a character from a first piece of content;
• selecting a replacement voice for a selected character;
• associating the selected character with the replacement voice;
• subsequently, receiving a second piece of content;
• identifying the selected character in the second piece of content;
• detecting sounds uttered by the selected character, in the second piece of content;
• altering detected uttered sounds with characteristics of the replacement voice;
• and
• outputting the second piece of content, in which the sounds uttered by the selected character are altered with the characteristics of the replacement voice.