The present invention includes a smart vocoder (112) which selects an optimal vocoder algorithm for encoding a communication.
If the DSP (104) is a vocoder, the parameters may be diagnostic data generated by the vocoder.
At the receiver, a determination is made as to whether a received multi-rate vocoder frame carries a variable-rate vocoder frame cargo.
The DSP (104) may be a vocoder.
A universal vocoder is proposed that allows the vocoding element to encode or decode data according to any desired vocoder format.
Disclosed is a multiple PSI-VSELP (Pitch Synchronised Vector Sum Excited Linear Prediction) speech coder.
When such a transition is detected, the vocoder widens the correlation sample window.
Vocoder data is provided by vocoder (14) at one of several data rates and is organized in the frame according to a predermined format.
A controller (116) monitors an encoding rate of operation of the variable rate vocoder (122) and detects when the variable rate vocoder (122) operates at a predetermined rate.
Thus a rate mismatch between the vocoder and modem may be resolved.
A vocoder according to the present invention includes an analyzer portion and a synthesizer portion.
The vocoder source rate may be communicated to the vocoder(s) (210, 214) in a variety of ways.
PAD (315) may transmit a data stream to vocoder (351) and received a data stream from vocoder (351) for injection onto the backplane (307).
An improved vocoder system and method for estimating pitch in a speech waveform.
The first local vocoder (35) passes the PCM signal (210) to the PSTN (40).
In another embodiment, a logic device is coupled to the output of the vocoder.
The selection of the optimal vocoder algorithm occurs during call setup.
A flexible variable rate vocoder and related method of operation.
The first local vocoder (35) constantly monitors the least significant bit of the PCM input (120) for a detection code indicating that a second local vocoder (55) is connected at the receiving end.
The first local vocoder (210) also receives PCM input (120) over the PSTN (40).
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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