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Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Sep 21, 2020

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Page 1: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing
Page 2: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 3: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

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Page 4: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

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Page 5: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

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Page 6: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

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Page 7: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

••

Analogue

to Digital

Converter

(ADC)

Digital to

Analogue

Converter

(DAC)

Digital

Signal

Processing

Page 8: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

• 𝑓𝑠

Page 9: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

••

Page 10: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 11: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

••

••

Page 12: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

••

Page 13: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

••

Page 14: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing
Page 15: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 16: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 17: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

•• 𝑦[𝑛] = σ𝑘=−∞

∞ ℎ 𝑘 𝑥 𝑛 − 𝑘

Page 18: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 19: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 20: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 21: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 22: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing
Page 23: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing
Page 24: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 25: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 26: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Time/Frequency

analysis

Psychoacoustic

analysis

Quantisation

Bit allocation

Entropy

coding

Page 28: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 29: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 30: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 31: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Time/Frequency

analysis

Psychoacoustic

analysis

Quantisation

Bit allocation

Page 32: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 33: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Time/Frequency

analysis

Psychoacoustic

analysis

Quantisation

Bit allocation

Page 34: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing

Page 35: Introducing Audio Signal Processing & Audio Coding · to Digital Converter (ADC) Digital to Analogue Converter (DAC) Digital Signal Processing ... Introducing Audio Signal Processing