49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/**
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* Copyright (c) 2022 Xiaomi Corporation (authors: Fangjun Kuang)
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*
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* See LICENSE for clarification regarding multiple authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <iostream>
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#include "kaldi-native-fbank/csrc/online-feature.h"
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int main() {
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knf::FbankOptions opts;
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opts.frame_opts.dither = 0;
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opts.mel_opts.num_bins = 10;
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knf::OnlineFbank fbank(opts);
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for (int32_t i = 0; i < 1600; ++i) {
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float s = (i * i - i / 2) / 32767.;
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fbank.AcceptWaveform(16000, &s, 1);
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}
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std::ostringstream os;
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int32_t n = fbank.NumFramesReady();
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for (int32_t i = 0; i != n; ++i) {
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const float *frame = fbank.GetFrame(i);
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for (int32_t k = 0; k != opts.mel_opts.num_bins; ++k) {
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os << frame[k] << ", ";
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}
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os << "\n";
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}
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std::cout << os.str() << "\n";
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return 0;
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}
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