Im doing project on audio steganography. Im reading wav file in integer format so that i can apply lwt to get integer coefficients,how to get output approximation coefficients and detail coefficient as i need these values to be embedded into image.
1 visualización (últimos 30 días)
Mostrar comentarios más antiguos
S = audioread('alarm.wav');
sound(S)
LS=liftwave('haar','Int2Int');
[CA,CD]=lwt(double(S),LS);
i am not getting complete code, to solve this problem,
0 comentarios
Respuestas (1)
Walter Roberson
el 2 de Feb. de 2016
audioread does not read in integer format by default.
"If you do not specify dataType, or dataType is 'double', then y is of type double, and matrix elements are normalized values between −1.0 and 1.0."
You need to add on the 'native' parameter to get the integer values stored in the file.
0 comentarios
Ver también
Categorías
Más información sobre Audio and Video Data en Help Center y File Exchange.
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!