This is a very preliminary list of topic areas which we would like to explore
in Audio Anecdotes. This work is a product of the audio community so
we look forward to contributions we haven't anticipated!
- Synthesis techniques
- Noise Synthesis (1/F noise, white noise, high quality, low overhead)
- Oscillators (inexpensive, low drift, fixed point)
- Physical synthesis
- Additive synthesis
- Subtractive Synthesis
- Layered Sound
- Filters:
- DSP based spectral filters
- Environmental
- 3D/HRTF
- Echo cancellation
- Dynamic range compression/expansion
- Fast filter implementations
- Effects:
- Chorus
- Reverberation
- Phase
- Flange
- Pitch invariant time scaling
- Sample Plumbing:
- FIFOs
- Ring buffers and ring buffer math
- Multiplexing/demultiplexing
- Format conversion
- Mixing
- Limiting
- Analysis:
- FFT/Power spectrum
- dithering at each quantization
- quantization error
- Human physiology:
- Minimum detectable frequency/loudness change
- Masking
- Physical phenomena:
- Sound attenuation in a real room versus empty space
- Doppler effect
- Table of sound pressure levels of common sounds (whisper, conversation,
typewriter, automobile, jet engine)
- Sonification:
- Techniques for aurialization of numeric data
- Synchronization:
- SMPT timecode encode/decode
- Resampling
- Synchronization strategies for multimedia (animation, movies, 2-way,
n-way)
- Compression:
- Lossy
- Lossless
- High quality
- Inexpensive
- Wavelets
- Related file formats
- Voice:
- Synthesis (probably too deep a subject, however related articles may
work)
- Recognition (same comment as above)
- Formant shifting
- Concatenation considerations
- Detection
- Voice Gates
- Lip sync
- Telephonics:
- DTMF decode/encode
- Signal detector (busy, ring, dialtone)
- Audio Representation:
- Time Domain
- PCM
- Fixed point
- Floating point
- Frequency Domain
- FFT
- Windowing considerations and consequences
- Wavelets
- Creative Techniques
- Theatrical sound design
- Cinematic sound design
- Packaging sound for interaction
- Building sound behavior
- Composing music for interaction
- Appendix:
- Mathematics of audio (dB, power, logs)
- Fast math techniques
- Fixed point math techniques
- Library of streaming audio I/O needed to make the examples work on
various platforms (Windows, Mac, Unix/Linux)
Comments? Have other topics to suggest?
Please let me know!