Different types of Codes

Producers of media texts use deifferent types of codes to increase the appealingness it has to the audience.
The codes are signs working together to represent a meaning. This is done so the audience understands the various links and relevance of the signs that are being demonstrated to them. Therefore a considerable amount of time is spent by producer when they select material to actually use in the product. Codes may come in the form of a sign, words or actions.
"Language itself is a type of code. We have to put our thoughts and ideas together in away which, we hope, makes sense to the people. We generally do this with words, although non-verbal cues, such as a handshake or a person's posture, can also be considered as codes."

The encoded part is the information transmitted by the sender. 

The decoded part is the information interpreted by the receiver.

Once the information has been encoded and transmitted by the sender it is then beyond our control how the reciever responds and interprets it, thus misunderstandings occur.  

The Types of Codes 

Technical Codes - These are controlled by the producer/director. For example the type of microphones used, choice of camera lens and filter, quality of paper etc. 

Presentational Codes - These are also in the control of the professionals. This includes the control of the method of the acting gestures and expressions, the use of camerawork and lighting, the style of drawing, the use of slogans and the choice of typeface. 

Aestheic Codes - These codes are altered by the cultural context. This encompasses people's political views, ethnic background, religion, educational standards, how they are spoken, dress and behave, and where they live etc. This form of code can have a limited number of people understanding it initially but then can become more widely known. 

Iconography 

Iconography is a part of cultural codes.  An icon can be an image of a object or person that comes to represent a particular and significant meaning for a social group.

E.G this image usual represent the ladies restrooms.

APPLYING THIS TO OUR PRODUCT
The technical codes would be the size of any featured text (taglines, titles) , the colours we use.
The presentational codes we shall be in control of included the contrat of lighting (we have decided to use shadows in out product to create mystery and an element of the unknown). We shall use close ups to capture the emotions (fear) of the characters and we also plan to use long/wide shots to enhance the characters isolation as things are usually more frightening when you are alone. The anti-hero of our product will be dressed in dark clothing to mystify them (as it is the trailer we are filming we do not want to reveal their identity so soon). We also want to use a contrast of lighting, therefore the outcome effect will be shadows.
The aesthetic codes will hopefully be nerves and fear among the audience. Also as our main character (who are the victims) will be teenagers, just like our target audience we hope the audience can identify with these types of characters.