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Speech coding - Wikipedia
https://wiki-mirror.cla.umn.edu/wiki/Speech_coding#:~:text=Speech%20coding%20is%20an%20application%20of%20data%20compression,the%20resulting%20modeled%20parameters%20in%20a%20compact%20bitstream.
Speech Coding Techniques (I) - Sharif
http://ce.sharif.edu/courses/86-87/2/ce342/resources/root/Lecture/speechcoding1.pdf
Scalar vs. Vector Quantization. Scalar: for a given sequence of speech samples, we will process (quantize) each sample independently. Input: N samples → output: N codewords. Vector: we will process (quantize) a block of speech samples each time. Input: N samples → output: N/d codewords (block size is d)
Speech Coding Methods, Standards, and Applications Jerry D ...
https://vivonets.ece.ucsb.edu/casmagarticlefinal.pdf
II. Basic Issues in Speech Coding Speech and audio coding can be classified according to the bandwidth occupied by the input and the reproduced source. Narrowband or telephone bandwidth speech occupies the band from 200 to 3400 Hz, while wideband speech is contained in the range of 50 Hz to 7 kHz. High quality audio is generally taken
Speech Coding Techniques - ScienceDirect
https://www.sciencedirect.com/science/article/pii/S1877050915007607
Speech coding is a lossy type of coding and hence the output signal does not exactly sound like the input. Speech coding techniques discussed here are Linear predictive coding, waveform coding, Code excited linear predictive coding, etc. Linear Predictive Coding and Code Excited Linear Predictive Coding techniques are studied with the help of MATLAB to …
and Speech Coding Source Coding Basics - New York University
https://eeweb.engineering.nyu.edu/~yao/EE3414/speech_coding.pdf
• Speech coding is necessary for cellular phones, which has limited data rate for each user (<=16 kbps is desired!). • For the same mobile user, the lower the bit rate for a voice call, the more other services (data/image/video) can be accommodated. • Speech coding is also necessary for voice-over-IP, audio-visual
SPEECH CODING - SlideShare
https://www.slideshare.net/ShradheshwarVerma/speech-coding
Specifications of G.729 Speech Codec: • Speech coding algorithm: Conjugate-structure algebraic code-excited linear prediction (CS- ACELP); • Speech sample stream: 16-bit PCM; • Sampling rate: 8000 samples per second; • Codec operates on: 10ms speech frames corresponding to 80 samples; • Input speech: 128 Kbps ; • Speech compression rate: 8 Kbps; • …
Increasing the Compression Ratio using Speech Coding ...
http://www.ijsrd.com/articles/IJSRDV3I31453.pdf
III. VARIOUS TECHNIQUES OF AUDIO STEGANOGRAPHY There are very commonly used techniques are available which hides secret message using audio file as cover media. These techniques are: Low bit encoding Parity Coding Phase Coding Echo Hiding Spread Spectrum
Neural Audio Coding – SAIGE@IU
https://saige.sice.indiana.edu/research-projects/neural-audio-coding/
Speech/audio coding has traditionally involved substantial domain-specific knowledge such as speech generation models. If you haven’t heard of this concept, don’t worry, because you might be using this technology in your everyday life, e.g., when you are on the phone, listening to the music using your mobile device, watching television, etc.
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