audiosample.h File Reference

Encoding and decoding of audio samples. More...

#include <climits>
#include <itpp/base/ittypes.h>
#include <itpp/srccode/g711.h>

Go to the source code of this file.

Classes
class	Audio_Sample< Audio_Encoding >
	Generic template class for Audio samples. More...
class	itpp::Audio_Sample< enc_mulaw8 >
	uLaw-encoded Audio samples. More...
class	itpp::Audio_Sample< enc_linear8 >
	8-bit PCM encoded audio samples. More...
class	itpp::Audio_Sample< enc_linear16 >
	16-bit PCM encoded audio samples More...
class	itpp::Sample_24
	Small class to represent 24-bit PCM samples. More...
class	itpp::Audio_Sample< enc_linear24 >
	24-bit PCM encoded audio samples. More...
class	itpp::Audio_Sample< enc_linear32 >
	32-bit PCM encoded audio samples. More...
class	itpp::Audio_Sample< enc_float >
	Audio samples encoded as floats. More...
class	itpp::Audio_Sample< enc_double >
	Audio samples encoded as doubles. More...
class	itpp::Audio_Sample< enc_alaw8 >
	aLaw-encoded Audio samples. More...

Namespaces
namespace	itpp
	itpp namespace

Enumerations
enum	itpp::Audio_Encoding {   enc_unknown = 0, enc_mulaw8 = 1, enc_alaw8 = 27, enc_linear8 = 2,   enc_linear16 = 3, enc_linear24 = 4, enc_linear32 = 5, enc_float = 6,   enc_double = 7 }
	Supported encoding types for audio samples. More...

Functions
template<typename T , T max_abs>
T	itpp::limit_audio_sample (double s)
	Helper function for scaling and limiting of audio samples.
template<typename T , T down_scaling>
double	itpp::audio_sample_to_double (T s)
	Helper function for scaling and limiting of audio samples.
template<typename Binary_Out_Stream >
Binary_Out_Stream &	itpp::operator<< (Binary_Out_Stream &s, Sample_24 v)
	insertion operator for 24-bit PCM sample
template<typename Binary_In_Stream >
Binary_In_Stream &	itpp::operator>> (Binary_In_Stream &s, Sample_24 &v)
	extraction operator for 24-bit PCM sample
std::size_t	itpp::encoded_sample_size (Audio_Encoding e)
	Size of encoded sample based on the encoding type e.

Detailed Description

Encoding and decoding of audio samples.

Author

Andy Panov

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Copyright (C) 2013 (see AUTHORS file for a list of contributors)

This file is part of IT++ - a C++ library of mathematical, signal processing, speech processing, and communications classes and functions.

IT++ is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

IT++ is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with IT++. If not, see http://www.gnu.org/licenses/.

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Definition in file audiosample.h.