'Channel vocoder' diaporamas de présentation

Introduction to Voice Compression VC Lab 2009

Introduction to Voice Compression VC Lab 2009. Outline. Why digitize voice? Introduction Speech properties Performance measurement The channel vocoders and LPC-10 Sinusoidal coders Analysis-by-synthesis linear predictive coders and G.723.1 Quality of service in voice over IP (VoIP).

1.01k views • 74 slides

Introduction to Voice Compression VC Lab 2009

Introduction to Voice Compression VC Lab 2009. Outline. Why digitize voice? Introduction Speech properties Performance measurement The channel vocoders and LPC-10 Sinusoidal coders Analysis-by-synthesis linear predictive coders and G.723.1 Quality of service in voice over IP (VoIP).

751 views • 74 slides

Chapter 13 Basic Audio Compression Techniques

419 views • 35 slides

Vocoders

Vocoders. The Channel Vocoder (analyzer) :. The channel vocoder employs a bank of bandpass filters, Each having a bandwidth between 100 HZ and 300 HZ. Typically, 16-20 linear phase FIR filter are used. The output of each filter is rectified and lowpass filtered.

522 views • 23 slides

Vocoders

Vocoders. The Channel Vocoder (analyzer) :. The channel vocoder employs a bank of bandpass filters, Each having a bandwidth between 100 HZ and 300 HZ. Typically, 16-20 linear phase FIR filter are used. The output of each filter is rectified and lowpass filtered.

1.93k views • 23 slides

Linear Predictive Coding for Speech Compression

Linear Predictive Coding for Speech Compression. Dev Ghosh ECE 463. 9 March 2006. Overview. General Model for Speech Synthesis Channel Vocoder Linear Predictive Coder (LPC-10) Code Excited Linear Prediction (CELP) Novel Application Sub-band adaptive filtering based on cochlear model.

495 views • 18 slides

Linear Predictive Coding for Speech Compression

Linear Predictive Coding for Speech Compression. Dev Ghosh ECE 463. 9 March 2006. Overview. General Model for Speech Synthesis Channel Vocoder Linear Predictive Coder (LPC-10) Code Excited Linear Prediction (CELP) Novel Application Sub-band adaptive filtering based on cochlear model.

605 views • 18 slides

DSP II: Final presentation Vocoder - making music talk

DSP II: Final presentation Vocoder - making music talk. Van Damme Wim Hemeryck Martijn. Overview. Summary LPC vocoder theory LPC vocoder demonstration Channel vocoder theory Channel vocoder demonstration. Summary LPC vocoder theory. Encoder. Decoder. Segmentation.

369 views • 9 slides