speech tx and rx model

i want to speech transmit and receive. i m wave file to input bpsk then awgn channel block and bpsk dmod block and audio device.. the error occurs input must be inter from 0 to m-1..

Answer 1

[Walter Roberson]

bpsk is for transmitting symbols of an "alphabet" that has m different symbols in it. You must convert your input signal into symbols before you can transmit them.

There are multiple ways of converting input into symbols. One of the ways, for example, is to use Huffman encoding.

[vipul chaudhari]

plz sir can u guide me how can i convert my speech signal, or any other wave file to convert in symbol..

[vipul chaudhari]

how to use this huffman coding.

Answer 2

[Sachin Ganjare]

You can refer below link:

http://www.mathworks.in/help/comm/ug/source-coding.html#fp13343

Hope it helps!!!