Spatial Audio Design / Task 1 / Exercises

27.9.2024 - 15.10.2024 (Week 1 - Week 4)

NIE WEIQIU / 0360239 / Bachelor of Design (Hons) in Creative Media / Taylor's University
Spatial Audio Design
Task 1 / Exercises
INSTRUCTIONS

Fig. 2. Module Infomation Booklet

LECTURES

Week 2 / Sound Fundamentals and EQ

Nature of Sound 
Sound is the vibration of air molecules that stimulates the eardrums. The vibrations form sound waves through propagation (movement). 

Production: The air molecules starting to vibrate. The source. Like vocal chords or speakers. 

Propagation: The medium in which the sound travels. Like the air. 

Perception: The eardrums vibrating, the brain translating the signals.


Week 3

 Properties of Sound

  • Pitch
    - Frequency: Vibration per second 
    - Less vibration > Low pitch > Low frequency; More vibration > High pitch > High frequency
    - Hertz: Cycle per second 
  • Loudness
    - The perceived volume or intensity of a sound
  • Timbre
    - The quality of a sound that distinguishes it from others
  • Perceived Duration
    - How long a sound seems to last, quick or slow
  • Envelope
    - How a sound evolves from start to finish.
  • Spatialization 
    - Location (direction or distance) of the sound

3. Equaliser

Ear Training: 

  • 250Hz - "oo" sound
  • 500Hz - "o" sound 
  • 1kHz - "ah" sound
  • 2kHz - "a" sound 
  • 4kHz - "ee" sound


Week 4 / 15.10.2024

Lecture: Sound in Space (Environment)

Introduction to Diegetic Sound

  • Diegetic
    - Derived from the word 'Diegesis', meaning the world of the film, and everything in it.
    - Everything the character can experience within their world
  • Non-diegetic
    - Everything the audience perceived
    - Non-diegetic elements: Visuals (Title Cuts, Non-diegetic inserts, etc.) 

Types of Sound 

  • Acousmatic Zones
    - cover sounds we hear, but can't see the source
    - offscreen sounds that belongs to the diegesis / non-diegetic sound that exists outside the world of the film (musical score)
  • Visualised Zone
    - source of sound is visible onscreen

Diegetic Sound

  • Sounds the characters can hear
    Eg: Atmospheric sound (weather, vehicles, weapons), music inside the film, dialogues, some forms of voiceover
  • Internal Diegetic Sound: Sound coming from the mind of a character we can hear but the other characters cannot.
  • To help establish and create the world around the characters
  • Inform settings - expand the world beyond what we see in frame
  • Build suspense 
Non-diegetic Sound

  • Sounds the character cannot hear
    Eg: Sound effects, musical score, forms of narration (if the narrator plays no role in a film)
  • Risk of non-diegetic narrations: Breaking the illusion
  • Non-diegetic sound effects: Enhance motion and movement
  • Used in comedy for punchline and jokes
  • Non-diegetic music: Enhance the emotions of the film
Trans-diegetic Sound

  • When sound switches between 2 modes (acousmatic zone and visualised zone) - mostly used for music, also works for sound effects and narrations
    Eg: Non-diegetic score becomes diegetic playing on a character's radio, diegetic music becomes non-diegetic while playing over a montage
  • To help smooth over the time jumps 
  • Reinforce the scene
  • Can be a nuance way to blur the line between fantasy and reality

Creative Exceptions

  • Sounds that don't fit neatly into any of the categories

Exercise - Week 1
We need to edit the tracks using the parametric EQ effect to make them match the original song.
Parametric Equaliser: Left - Base; Right - Treble

Fig. 3.1. Track 'eq-1' (27/9/2024)

Fig. 3.2. Track 'eq-2' (27/9/2024)

Fig. 3.3. Track 'eq-3' (27/9/2024)

Fig. 3.4. Track 'eq-4' (27/9/2024)

Fig. 3.5. Track 'eq-5' (27/9/2024)

Fig. 3.6. Track 'eq-6' (27/9/2024)

Fig. 3.7. Track 'filter-1' (27/9/2024)

Fig. 3.8 . Track 'filter-2' (27/9/2024)

Exercise 2: Sound Shaping

Sample Rate: Resolution (Visual)
    - 44100: CD
    - 48000: Video
Bit Depth: Colours (Visual)
Channel: Number of Voice

EQ Exercise - Telephone


EQ Exercise - Telephone (mp3)


EQ Exercise - Closet

EQ Exercise - Closet(mp3)

EQ Exercise - Walkie Talkie


EQ Exercise - Walkie Talkie (mp3)


EQ Exercise - Bathroom


EQ Exercise - Bathroom (mp3)


EQ Exercise - announcement


EQ Exercise -  announcement (mp3)

EQ Exercise - Explosion

 Explosion
EQ Exercise - Explosion(mp3)


Exercise 3 - SFX

  • Chorus - Duplicate the sound (Slightly louder)
  • Hard Limiter - Pitch 
  • Phaser
  • Stretch and Pitch
  • Reverse

EQ Exercise - Explosion


EQ Exercise - Explosion(mp3)

EQ Exercise- Firecrackers

 Firecrackers


EQ Exercise- Firecrackers(mp3)

EQ Exercise- Final -punch
Final -punch

EQ Exercise-Final -punch(mp3)

Exercise 4


Jet Plane - Stereo


Jet Plane - Stereo (mp3)

Environment sound

In week 4, we are tasked to try to edit environment sound as a warm up exercise for Project 1. We are given two environmental concept art to produce the sound based on the scenario. 

Environment sound(mp3)


Environment sound 2

Environment sound 2


Environment sound 2(mp3)


Reflection

In the first exercise, we learned to adjust the frequency to match the original track. This exercise allowed me to explore how a specific frequency adjustment can completely change the sound quality of the audio. Through this exercise, I was able to understand the use of equalizers for sound editing and manipulation. In the second exercise, we learned about sound shaping. In this exercise, we needed to observe and analyze the sound of a telephone, a muffled intercom, or different locations (such as bathrooms and stadiums). This exercise allowed me to explore different types of sounds in different media or locations through equalizers and reverbs. The third exercise. I also had no idea what kind of track would be produced by combining different effects. When doing this exercise, we needed to do a lot of experiments. We had to try to apply different effects on the track so that we could produce the ideal sound effect. The fourth exercise required us to look at pictures to dub, which could stimulate our imagination. And these sounds and sound effects must match the pictures. At first, I was confused and the sound was relatively monotonous when I did it. Later, I listened to the feedback from the teacher. And the suggestions of my classmates, it was not too monotonous. I think this exercise is very interesting and not boring. I am very happy to try more advanced techniques and explore new creative possibilities. I believe this skill acquired during the exercise will come in handy in the future.

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