The use of sound in Interactive            media
The main parts to a sound wave are: frequency,     wavelength, amplitude and Period
Good use of sound in film…
Signal to Noise Ratio
Analogue and Digital Distortion
Mono and Stereo
Digital audio file formats
Different types of Interactive media… Mobile Phones
Computers and Laptops
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The use of sound in interactive media


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  • A wavelength is the horizontal line in the sound waves. It is measured from equal points on the wave. The period is the time is takes for the first equal point to reach the second. The one wavelength for the period to take part in is known as the cycle of the wave.Frequency for a sound wave is measured in hertz (Hz). Hertz show the number of cycles per second from a certain point. Sometimes in a cycle the pressure can change due to increased pressures from air. The frequency is the number of waves which pass by a specific point per second.The pitch is to do with the understanding of the frequency which the brain works out. Vibrations are used in sound and vibrations travel through the wavelength. Fast vibrations equal a high frequency and a high pitch. When vibrations are slow, the frequency is and sound is low.
  • I feel this use of sound in this particular scene is outstanding it really creates emotion for the audience effectively.
  • Signals to noise ratio (SNR or S/N) is the equation for finding the power of signals and noise. Noise is the unwanted sound.
  • Analogue is a continuous signal. It has the ability to be an endless signal. One of the other advantages of Analogue compared to the other choice, digital, is that its signals have a higher density. However analogue signals come with sound and the sound can become distorted or die due to the noise. Distortion is mostly unwanted because distortion changes the form of the wavelength and its characteristics change so you cannot hear the sound or it becomes distorted, unrecognizable and deformed.Digital signals also get distortion. Digital signals have similar interference like analogue but not as bad. They can be distorted by other incepting signals
  • Mono and stereo are two different recording and listening speakers. Mono only carries one signal in its wave and there is only one source that appears. Stereo has at least two different sources and can be heard just like natural hearing
  • An audio file format is a digital way for storing digital audio on software such as computers. Files can be shorted due to the files being stored as compressed, they can also be uncompressed. Files which can be stored are: MP3, WAV, MID, WMA, AIFF, MPEGs and much more.
  • Phones main purpose is too text and call people, but in this modern time phones have be built with many other features such as: playing games, listening to music, going on the internet, watching videos, filming videos, taking photos, editing photos, Bluetooth, tools (calculator) and voice recordings
  • The interaction on DVD’s is the menu screen at the beginning. Most films these days have them and with them you can find many features such as: play film, chapter selection, special features, deleted scenes and running live commentary while watching the film. DVD menus always always have a song theme tune playing.
  • I feel the use of sound used on computers and Laptops works well. When you click on something that cannot be carried out the computer makes a noise to indicate to you that, that action is restricted. Adverts on the internet – Video adverts are a clever way of using sound to get your attention.
  • Most games have menu settings at the beginning for what you want to select, if it’s to play the game, change settings such as volume and colour these usually also have a theme tune. Consoles such ad the “Wii and Xbox Kinect” are the most ineractive.It allows the player to interact by moving yourself to move what’s going on, on the screen.
  • The use of sound in interactive media

    1. 1. The use of sound in Interactive media
    2. 2. The main parts to a sound wave are: frequency, wavelength, amplitude and Period
    3. 3. Good use of sound in film…
    4. 4. Signal to Noise Ratio
    5. 5. Analogue and Digital Distortion
    6. 6. Mono and Stereo
    7. 7. Digital audio file formats
    8. 8. Different types of Interactive media… Mobile Phones
    9. 9. DVD’s
    10. 10. Computers and Laptops
    11. 11. Gaming