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体验新版 GitCode,发现更多精彩内容 >>
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f0c5bd67
编写于
4月 09, 2022
作者:
Y
Yang Zhou
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add cmvn_json2binary_main
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speechx/examples/feat/cmvn_json2binary_main.cc
speechx/examples/feat/cmvn_json2binary_main.cc
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speechx/examples/feat/cmvn_json2binary_main.cc
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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "base/flags.h"
#include "base/log.h"
#include "kaldi/matrix/kaldi-matrix.h"
#include "kaldi/util/kaldi-io.h"
#include "utils/file_utils.h"
#include "utils/simdjson.h"
DEFINE_string
(
json_file
,
""
,
"cmvn json file"
);
DEFINE_string
(
cmvn_write_path
,
"./cmvn.ark"
,
"write cmvn"
);
DEFINE_bool
(
binary
,
true
,
"write cmvn in binary (true) or text(false)"
);
using
namespace
simdjson
;
int
main
(
int
argc
,
char
*
argv
[])
{
gflags
::
ParseCommandLineFlags
(
&
argc
,
&
argv
,
false
);
google
::
InitGoogleLogging
(
argv
[
0
]);
ondemand
::
parser
parser
;
padded_string
json
=
padded_string
::
load
(
FLAGS_json_file
);
ondemand
::
document
val
=
parser
.
iterate
(
json
);
ondemand
::
object
doc
=
val
;
kaldi
::
int32
frame_num
=
uint64_t
(
doc
[
"frame_num"
]);
auto
mean_stat
=
doc
[
"mean_stat"
];
std
::
vector
<
kaldi
::
BaseFloat
>
mean_stat_vec
;
for
(
double
x
:
mean_stat
)
{
mean_stat_vec
.
push_back
(
x
);
}
auto
var_stat
=
doc
[
"var_stat"
];
std
::
vector
<
kaldi
::
BaseFloat
>
var_stat_vec
;
for
(
double
x
:
var_stat
)
{
var_stat_vec
.
push_back
(
x
);
}
size_t
mean_size
=
mean_stat_vec
.
size
();
kaldi
::
Matrix
<
double
>
cmvn_stats
(
2
,
mean_size
+
1
);
for
(
size_t
idx
=
0
;
idx
<
mean_size
;
++
idx
)
{
cmvn_stats
(
0
,
idx
)
=
mean_stat_vec
[
idx
];
cmvn_stats
(
1
,
idx
)
=
var_stat_vec
[
idx
];
}
cmvn_stats
(
0
,
mean_size
)
=
frame_num
;
kaldi
::
WriteKaldiObject
(
cmvn_stats
,
FLAGS_cmvn_write_path
,
FLAGS_binary
);
LOG
(
INFO
)
<<
"the json file have write into "
<<
FLAGS_cmvn_write_path
;
return
0
;
}
\ No newline at end of file
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