---
tags:
  - media
---
- Speech telecommunications & Encoding
	- Preserving perceptibility and quality over the wire
	- Minimising bandwidth
- Speech enhancement
	- Restoration of degraded speech
		- Additive noise
		- Reverberation
		- Echoes
		- Background sounds
	- Blind source separation
	- Adaptive filtering
	- Spectral subtraction
- Speech & Speaker recognition
	- Auto conversion of speech to written
	- Identifying speaker based on speech
	- Dictation, speaker recognition for security
- Speaker diarisation
	- "Who speaks when"
	- Speaker segmentation
		- Speaker change point in stream
	- Speaker clustering
		- Grouping segments based on speaker identity
- Speech synthesis
- Speech analysis
	- Waveform & spectrum