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DSP Code Sharing > Chaning the bit depth in speech samples
Chaning the bit depth in speech samples
Language: Scilab
Processor: Not Relevant
Submitted by Senthilkumar R on Dec 28 2011
Licensed under a Creative Commons Attribution 3.0 Unported License
Chaning the bit depth in speech samples
Read a speech signal and change the bit depth from 16 bits to 8 bits
//Caption: Reading a Speech Signal &
//[1]. Write it in another file
//[2]. Changing the bit depth from 16 bits to 8 bits
clear;
clc;
[y,Fs,bits_y]=wavread("E:\4.wav");
wavwrite(y,Fs,8,"E:\4_8bit.wav");
[x,Fs,bits_x]=wavread("E:\4_8bit.wav");
Ny = length(y); //Number of samples in y (4.wav)
Nx = length(x); //Number of samples in x (4_8bit.wav)
Memory_y = Ny*bits_y; //memory requirement for 4.wav in bits
Memory_x = Nx*bits_x; //memory requirement for 4_8bit.wav in bits
disp(Memory_y,'memory requirement for 4.wav in bits =')
disp(Memory_x,'memory requirement for 4_8bit.wav in bits =')
//Result
//memory requirement for 4.wav in bits =
// 133760.
//
//memory requirement for 4_8bit.wav in bits =
// 66880.
//[1]. Write it in another file
//[2]. Changing the bit depth from 16 bits to 8 bits
clear;
clc;
[y,Fs,bits_y]=wavread("E:\4.wav");
wavwrite(y,Fs,8,"E:\4_8bit.wav");
[x,Fs,bits_x]=wavread("E:\4_8bit.wav");
Ny = length(y); //Number of samples in y (4.wav)
Nx = length(x); //Number of samples in x (4_8bit.wav)
Memory_y = Ny*bits_y; //memory requirement for 4.wav in bits
Memory_x = Nx*bits_x; //memory requirement for 4_8bit.wav in bits
disp(Memory_y,'memory requirement for 4.wav in bits =')
disp(Memory_x,'memory requirement for 4_8bit.wav in bits =')
//Result
//memory requirement for 4.wav in bits =
// 133760.
//
//memory requirement for 4_8bit.wav in bits =
// 66880.
posted by Senthilkumar R Comments
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