vault backup: 2023-12-27 22:38:55

Affected files:
.obsidian/graph.json
.obsidian/workspace.json
Gaming/Steam controllers.md
Gaming/Ubisoft.md
STEM/Signal Proc/Convolution.md
STEM/Signal Proc/Fourier Transform.md
STEM/Signal Proc/Pole-Zero.md
STEM/Signal Proc/System Classes.md
STEM/Signal Proc/Transfer Function.md
STEM/Speech/Linguistics/Consonants.md
STEM/Speech/Linguistics/Linguistics.md
STEM/Speech/Linguistics/Terms.md
STEM/Speech/Linguistics/Vowels.md
STEM/Speech/Literature.md
STEM/Speech/NLP/Jargon.md
STEM/Speech/NLP/NLP.md
STEM/Speech/NLP/Recognition.md
STEM/Speech/Perception/Perception.md
STEM/Speech/Speech Processing/Applications.md
STEM/Speech/Speech Processing/Source-Filter.md
STEM/Speech/Speech Processing/Vocal Tract.md
Work/Applications/Anthropic/Cover letter.md
Work/Applications/Anthropic/In line with values.md
Work/Applications/Anthropic/Why Work.md
Work/Companies.md
Work/Freelancing.md
Work/Products.md
Work/Tech.md
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Andy Pack 2023-12-27 22:38:56 +00:00
parent efa7a84a8b
commit f29c435494
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---
tags:
- signals
- maths
---
Integral operator
- Satisfies mathematical properties of integral operator
- Product of two after one has been reversed and shifted

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---
tags:
- signals
- maths
---
$$X(\omega)=\int_{-\infty}^{\infty}x(t)e^{-j\omega t}dt$$
$$x(t)=\frac{1}{2\pi}\int_{2\pi}X(\omega)e^{j\omega t}d\omega$$
## Discrete-Time

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---
tags:
- signals
---
- Poles
- **X**
- Let $X(z) = inf$

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---
tags:
- signals
---
# Dynamic vs Algebraic
- Dynamic system has "memory", output depends on present and past
- Includes diff and/or integral operators with initial conditions

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---
tags:
- signals
---
$$Y(s)=H(s)\cdot X(s)$$
- $H(s)=\frac{Y(s)}{X(s)}=\frac{\mathcal L\{y(t)\}}{\mathcal L\{x(t)\}}$

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---
tags:
- linguistics
- speech
---
- Complete or partial closure of vocal tract
- Voiced/Unvoiced

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---
tags:
- linguistics
- speech
---
- Phonetics
- Sound of language

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---
tags:
- linguistics
- speech
---
# Phoneme
- Smallest unit of speech

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---
tags:
- linguistics
- speech
---
ALL VOICED
[Wikipedia - Vowel Sounds](https://en.wikipedia.org/wiki/Vowel#Audio_samples)

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---
tags:
- lit
- speech
---
Daniel Jurafsky
James H. Martin

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---
tags:
- speech
---
- Types
- Distinct words
- |V|

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---
tags:
- ai
- speech
---
# Text Normalisation
- Tokenisation

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---
tags:
- ai
- speech
---
1. Automatic Speech Recognition
- Spoken words to machine-readable form

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---
tags:
- speech
---
# Physiological
- Physical/mechanical processing of sound
- Ear stuff

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---
tags:
- media
- speech
---
- Speech telecommunications & Encoding
- Preserving perceptibility and quality over the wire

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---
tags:
- speech
---
- Input and output signals are real
- Filter coefficients are real for rational $H(z)$
- Poles/zeros either real or complex conjugate pairs