1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/* -*- c++ -*- */
/*
* Copyright 2005,2013,2014 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_VOCODER_CODEC2_ENCODE_SP_H
#define INCLUDED_VOCODER_CODEC2_ENCODE_SP_H
#include <gnuradio/sync_decimator.h>
#include <gnuradio/vocoder/api.h>
#include <gnuradio/vocoder/codec2.h>
namespace gr {
namespace vocoder {
/*!
* \brief CODEC2 Vocoder Encoder
* \ingroup audio_blk
*
* Input: Speech (audio) signal as 16-bit shorts, sampling rate 8 kHz.
*
* Output: Vector of unpacked bits, forming one Codec2 frame, per 160
* input samples (in 2400 and 3200 bps modes) or per 320 input
* samples (in 1200, 1300, 1400 and 1600 bps modes).
*
*/
class VOCODER_API codec2_encode_sp : virtual public sync_decimator
{
public:
// gr::vocoder::codec2_encode_sp::sptr
typedef boost::shared_ptr<codec2_encode_sp> sptr;
/*!
* \brief Make Codec2 encoder block.
*
* \param mode Encoded bit rate/mode
*/
static sptr make(int mode = codec2::MODE_2400);
};
} /* namespace vocoder */
} /* namespace gr */
#endif /* INCLUDED_VOCODER_CODEC2_ENCODE_SP_H */
|
