The Next 5 weeks: A Journey into sound. In no particular order Intro to sound Editing, multitracking, processing sound Making a podcast (how to) Digital synthesis Streaming video/audio content from the helix server (how to) Bluescreen / Chromakey In camera effects. Designing with sound.
Benyon – pages 394 - 402
Bitmap imagesVector imagesTextVector animation3D animationMidi music
Design and authoring
Web pagesFlash moviesDirector movies
Production and distribution
Stream to web
Digital audioDigital videoDigital photographs
Diagram showing all of the components of a multimedia production –content creation, assemblage and distribution
Auditory channel computer interface (with the exception of computer games)
Image and text
Diagram showing ‘parallel’ nature of audio information in comparison to ‘linear’ video information
Copyright issues computer interface (with the exception of computer games)
Because its easy to distribute ‘copied’ music across the internet does not make it legal! Both Napster and MP3.com were prosecuted.
Diagram showing a graphical representation of two audio envelopes – one with a fast attack (drum) and one with a slow attack (violin)
MIDI – a special case and Sonar
Musical Instrument Digital Interface (MIDI)
the first plug and play multimedia networking protocol, introduced in the early eighties.
Musical instruments were used to send messages to each other along the lines of “Give me a loud middle C on the piano for two seconds”.
Control data is sent to synthesisers on the PC’s sound card
A whole song can be transmitted in a few hundred bytes
No vocals – only musical sounds!
Challenge: Play with the piano roll in Fruityloops in AS125.
Amplitude and Sonar
Diagram showing a ‘smooth’ analogue waveform compared to a ‘stepped’ digital waveform.
How do we get round this to distribute sound on the web?
Works by “throwing away” the non important data
Google: VSTi, Native Instruments, virtual synthesizers.