fix copyright && refactor kaldi_feature

paddlespeech/audio/_internal/module_utils.py

@@ -3,6 +3,7 @@ import warnings
 from functools import wraps
 from typing import Optional
 
+#code is from https://github.com/pytorch/audio/blob/main/torchaudio/_internal/module_utils.py
 
 def is_module_available(*modules: str) -> bool:
     r"""Returns if a top-level module with :attr:`name` exists *without**

paddlespeech/audio/backends/no_backend.py

@@ -6,6 +6,7 @@ from typing import Union
 
 from paddle import Tensor
 
+#code is from: https://github.com/pytorch/audio/blob/main/torchaudio/backend/no_backend.py
 
 def load(
     filepath: Union[str, Path],

paddlespeech/audio/backends/sox_io_backend.py

@@ -7,6 +7,7 @@ from typing import Union
 
 from paddle import Tensor
 
+#https://github.com/pytorch/audio/blob/main/torchaudio/backend/sox_io_backend.py
 
 def load(
     filepath: Union[str, Path],

paddlespeech/audio/backends/utils.py

 """Defines utilities for switching audio backends"""
+#code is from: https://github.com/pytorch/audio/blob/main/torchaudio/backend/utils.py
+
 import warnings
 from typing import List
 from typing import Optional

paddlespeech/audio/kaldi/kaldi.py

@@ -11,8 +11,13 @@
 # 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.
+
 from paddlespeech.audio._internal import module_utils 
 import paddlespeech.audio.ops.paddleaudio.ComputeFbank as ComputeFbank
+import paddlespeech.audio.ops.paddleaudio.PitchExtractionOptions as PitchExtractionOptions
+import paddlespeech.audio.ops.paddleaudio.FrameExtractionOptions as FrameExtractionOptions
+import paddlespeech.audio.ops.paddleaudio.MelBanksOptions as MelBanksOptions
+import paddlespeech.audio.ops.paddleaudio.FbankOptions as FbankOptions
 import paddlespeech.audio.ops.paddleaudio.ComputeKaldiPitch as ComputeKaldiPitch
 
 __all__ = [
@@ -20,6 +25,7 @@ __all__ = [
     'pitch',
 ]
 
+
 @module_utils.requires_kaldi()
 def fbank(wav,
           samp_freq: int=16000,
@@ -48,15 +54,38 @@ def fbank(wav,
           htk_compat: bool=False,
           use_log_fbank: bool=True,
           use_power: bool=True):
-    feat = ComputeFbank(
-        samp_freq, frame_shift_ms, frame_length_ms,
-        dither, preemph_coeff, remove_dc_offset,
-        window_type, round_to_power_of_two, blackman_coeff,
-        snip_edges, allow_downsample, allow_upsample,
-        max_feature_vectors, num_bins, low_freq,
-        high_freq, vtln_low, vtln_high, debug_mel,
-        htk_mode, use_energy, energy_floor,
-        raw_energy, htk_compat, use_log_fbank, use_power, wav)
+    frame_opts = FrameExtractionOptions()
+    mel_opts = MelBanksOptions()
+    fbank_opts = FbankOptions()
+    frame_opts.samp_freq = samp_freq  
+    frame_opts.frame_shift_ms = frame_shift_ms
+    frame_opts.frame_length_ms = frame_length_ms
+    frame_opts.dither = dither
+    frame_opts.preemph_coeff = preemph_coeff
+    frame_opts.remove_dc_offset = remove_dc_offset
+    frame_opts.window_type = window_type
+    frame_opts.round_to_power_of_two = round_to_power_of_two
+    frame_opts.blackman_coeff = blackman_coeff
+    frame_opts.snip_edges = snip_edges
+    frame_opts.allow_downsample = allow_downsample
+    frame_opts.allow_upsample = allow_upsample
+    frame_opts.max_feature_vectors = max_feature_vectors
+
+    mel_opts.num_bins = num_bins  
+    mel_opts.low_freq = low_freq
+    mel_opts.high_freq = high_freq
+    mel_opts.vtln_low = vtln_low
+    mel_opts.vtln_high = vtln_high
+    mel_opts.debug_mel = debug_mel
+    mel_opts.htk_mode = htk_mode
+
+    fbank_opts.use_energy = use_energy  
+    fbank_opts.energy_floor = energy_floor
+    fbank_opts.raw_energy = raw_energy
+    fbank_opts.htk_compat = htk_compat
+    fbank_opts.use_log_fbank = use_log_fbank
+    fbank_opts.use_power = use_power
+    feat = ComputeFbank(frame_opts, mel_opts, fbank_opts, wav)
     return feat
 
 @module_utils.requires_kaldi()
@@ -81,23 +110,26 @@ def pitch(wav,
           recompute_frame: int=500,
           nccf_ballast_online: bool=False,
           snip_edges: bool=True):
-    pitch = ComputeKaldiPitch(samp_freq, frame_shift_ms,
-          frame_length_ms,
-          preemph_coeff,
-          min_f0,
-          max_f0,
-          soft_min_f0,
-          penalty_factor,
-          lowpass_cutoff,
-          resample_freq,
-          delta_pitch,
-          nccf_ballast,
-          lowpass_filter_width,
-          upsample_filter_width,
-          max_frames_latency,
-          frames_per_chunk,
-          simulate_first_pass_online,
-          recompute_frame,
-          nccf_ballast_online,
-          snip_edges, wav)
-    return pitch
+    pitch_opts = PitchExtractionOptions()
+    pitch_opts.samp_freq = samp_freq
+    pitch_opts.frame_shift_ms = frame_shift_ms
+    pitch_opts.frame_length_ms = frame_length_ms
+    pitch_opts.preemph_coeff = preemph_coeff 
+    pitch_opts.min_f0 = min_f0
+    pitch_opts.max_f0 = max_f0
+    pitch_opts.soft_min_f0 = soft_min_f0
+    pitch_opts.penalty_factor = penalty_factor
+    pitch_opts.lowpass_cutoff = lowpass_cutoff
+    pitch_opts.resample_freq = resample_freq
+    pitch_opts.delta_pitch = delta_pitch
+    pitch_opts.nccf_ballast = nccf_ballast
+    pitch_opts.lowpass_filter_width = lowpass_filter_width
+    pitch_opts.upsample_filter_width = upsample_filter_width
+    pitch_opts.max_frames_latency = max_frames_latency
+    pitch_opts.frames_per_chunk = frames_per_chunk
+    pitch_opts.simulate_first_pass_online = simulate_first_pass_online
+    pitch_opts.recompute_frame = recompute_frame
+    pitch_opts.nccf_ballast_online = nccf_ballast_online
\ No newline at end of file
+    pitch_opts.snip_edges = snip_edges
+    pitch = ComputeKaldiPitch(pitch_opts, wav)
+    return pitch

paddlespeech/audio/src/pybind/kaldi/kaldi_feature.cc

@@ -18,199 +18,58 @@
 namespace paddleaudio {
 namespace kaldi {
 
-bool InitFbank(float samp_freq,  // frame opts
-               float frame_shift_ms,
-               float frame_length_ms,
-               float dither,
-               float preemph_coeff,
-               bool remove_dc_offset,
-               std::string window_type,  // e.g. Hamming window
-               bool round_to_power_of_two,
-               float blackman_coeff,
-               bool snip_edges,
-               bool allow_downsample,
-               bool allow_upsample,
-               int max_feature_vectors,
-               int num_bins,  // mel opts
-               float low_freq,
-               float high_freq,
-               float vtln_low,
-               float vtln_high,
-               bool debug_mel,
-               bool htk_mode,
-               bool use_energy,  // fbank opts
-               float energy_floor,
-               bool raw_energy,
-               bool htk_compat,
-               bool use_log_fbank,
-               bool use_power) {
+bool InitFbank(
+    ::kaldi::FrameExtractionOptions frame_opts,
+    ::kaldi::MelBanksOptions mel_opts,
+    FbankOptions fbank_opts) {
     ::kaldi::FbankOptions opts;
-    opts.frame_opts.samp_freq = samp_freq;  // frame opts
-    opts.frame_opts.frame_shift_ms = frame_shift_ms;
-    opts.frame_opts.frame_length_ms = frame_length_ms;
-    opts.frame_opts.dither = dither;
-    opts.frame_opts.preemph_coeff = preemph_coeff;
-    opts.frame_opts.remove_dc_offset = remove_dc_offset;
-    opts.frame_opts.window_type = window_type;
-    opts.frame_opts.round_to_power_of_two = round_to_power_of_two;
-    opts.frame_opts.blackman_coeff = blackman_coeff;
-    opts.frame_opts.snip_edges = snip_edges;
-    opts.frame_opts.allow_downsample = allow_downsample;
-    opts.frame_opts.allow_upsample = allow_upsample;
-    opts.frame_opts.max_feature_vectors = max_feature_vectors;
-
-    opts.mel_opts.num_bins = num_bins;  // mel opts
-    opts.mel_opts.low_freq = low_freq;
-    opts.mel_opts.high_freq = high_freq;
-    opts.mel_opts.vtln_low = vtln_low;
-    opts.mel_opts.vtln_high = vtln_high;
-    opts.mel_opts.debug_mel = debug_mel;
-    opts.mel_opts.htk_mode = htk_mode;
-
-    opts.use_energy = use_energy;  // fbank opts
-    opts.energy_floor = energy_floor;
-    opts.raw_energy = raw_energy;
-    opts.htk_compat = htk_compat;
-    opts.use_log_fbank = use_log_fbank;
-    opts.use_power = use_power;
+    opts.frame_opts = frame_opts;
+    opts.mel_opts = mel_opts;
+    opts.use_energy = fbank_opts.use_energy;
+    opts.energy_floor = fbank_opts.energy_floor;
+    opts.raw_energy = fbank_opts.raw_energy;
+    opts.htk_compat = fbank_opts.htk_compat;
+    opts.use_log_fbank = fbank_opts.use_log_fbank;
+    opts.use_power = fbank_opts.use_power;
     paddleaudio::kaldi::KaldiFeatureWrapper::GetInstance()->InitFbank(opts);
     return true;
 }
 
-py::array_t<double> ComputeFbankStreaming(const py::array_t<double>& wav) {
+py::array_t<float> ComputeFbankStreaming(const py::array_t<float>& wav) {
     return paddleaudio::kaldi::KaldiFeatureWrapper::GetInstance()->ComputeFbank(
         wav);
 }
 
-py::array_t<double> ComputeFbank(
-    float samp_freq,  // frame opts
-    float frame_shift_ms,
-    float frame_length_ms,
-    float dither,
-    float preemph_coeff,
-    bool remove_dc_offset,
-    std::string window_type,  // e.g. Hamming window
-    bool round_to_power_of_two,
-    float blackman_coeff,
-    bool snip_edges,
-    bool allow_downsample,
-    bool allow_upsample,
-    int max_feature_vectors,
-    int num_bins,  // mel opts
-    float low_freq,
-    float high_freq,
-    float vtln_low,
-    float vtln_high,
-    bool debug_mel,
-    bool htk_mode,
-    bool use_energy,  // fbank opts
-    float energy_floor,
-    bool raw_energy,
-    bool htk_compat,
-    bool use_log_fbank,
-    bool use_power,
-    const py::array_t<double>& wav) {
-    InitFbank(samp_freq,  // frame opts
-              frame_shift_ms,
-              frame_length_ms,
-              dither,
-              preemph_coeff,
-              remove_dc_offset,
-              window_type,  // e.g. Hamming window
-              round_to_power_of_two,
-              blackman_coeff,
-              snip_edges,
-              allow_downsample,
-              allow_upsample,
-              max_feature_vectors,
-              num_bins,  // mel opts
-              low_freq,
-              high_freq,
-              vtln_low,
-              vtln_high,
-              debug_mel,
-              htk_mode,
-              use_energy,  // fbank opts
-              energy_floor,
-              raw_energy,
-              htk_compat,
-              use_log_fbank,
-              use_power);
-    py::array_t<double> result = ComputeFbankStreaming(wav);
+py::array_t<float> ComputeFbank(
+    ::kaldi::FrameExtractionOptions frame_opts,
+    ::kaldi::MelBanksOptions mel_opts,
+    FbankOptions fbank_opts,
+    const py::array_t<float>& wav) {
+    InitFbank(frame_opts, mel_opts, fbank_opts);
+    py::array_t<float> result = ComputeFbankStreaming(wav);
     paddleaudio::kaldi::KaldiFeatureWrapper::GetInstance()->ResetFbank();
     return result;
 }
 
-
 void ResetFbank() {
     paddleaudio::kaldi::KaldiFeatureWrapper::GetInstance()->ResetFbank();
 }
 
-py::array_t<double> ComputeKaldiPitch(
- int samp_freq,
- float frame_shift_ms,
- float frame_length_ms,
- float preemph_coeff,
- int min_f0,
- int max_f0,
- float soft_min_f0,
- float penalty_factor,
- int   lowpass_cutoff,
- int  resample_freq,
- float delta_pitch,
- int  nccf_ballast,
- int lowpass_filter_width,
- int upsample_filter_width,
- int  max_frames_latency,
- int  frames_per_chunk,
- bool  simulate_first_pass_online,
- int  recompute_frame,
- bool  nccf_ballast_online,
- bool  snip_edges,
- const py::array_t<double>& wav) {
-::kaldi::PitchExtractionOptions opts;
-opts.samp_freq = samp_freq;
-opts.frame_shift_ms = frame_shift_ms;
-opts.frame_length_ms = frame_length_ms;
-opts.preemph_coeff = preemph_coeff;
-      opts.min_f0 = min_f0;
-      opts.max_f0 = max_f0;
-      opts.soft_min_f0 = soft_min_f0;
-      opts.penalty_factor = penalty_factor;
-      opts.lowpass_cutoff = lowpass_cutoff;
-      opts.resample_freq = resample_freq;
-      opts.delta_pitch = delta_pitch;
-      opts.nccf_ballast = nccf_ballast;
-      opts.lowpass_filter_width = lowpass_filter_width;
-      opts.upsample_filter_width = upsample_filter_width;
-      opts.max_frames_latency = max_frames_latency;
-      opts.frames_per_chunk = frames_per_chunk;
-      opts.simulate_first_pass_online = simulate_first_pass_online;
-      opts.recompute_frame = recompute_frame;
-      opts.nccf_ballast_online = nccf_ballast_online;
-      opts.snip_edges = snip_edges;
-
-   py::buffer_info info = wav.request();
-   ::kaldi::Vector<::kaldi::BaseFloat> input_wav(info.size);
-   double* wav_ptr = (double*)info.ptr;
-   for (int idx = 0; idx < info.size; ++idx) {
-       input_wav(idx) = *wav_ptr;
-       wav_ptr++;
-   }
+py::array_t<float> ComputeKaldiPitch(
+  const ::kaldi::PitchExtractionOptions& opts,
+  const py::array_t<float>& wav) {
+    py::buffer_info info = wav.request();
+    ::kaldi::SubVector<::kaldi::BaseFloat> input_wav((float*)info.ptr, info.size);
    
-   ::kaldi::Matrix<::kaldi::BaseFloat> features;
-   ::kaldi::ComputeKaldiPitch(opts, input_wav, &features);
-   auto result = py::array_t<double>({features.NumRows(), features.NumCols()});
-   for (int row_idx = 0; row_idx < features.NumRows(); ++row_idx) {
-        for (int col_idx = 0; col_idx < features.NumCols(); ++col_idx) {
-        result.mutable_at(row_idx, col_idx) = features(row_idx, col_idx);
-
-        }
-   }
-
+    ::kaldi::Matrix<::kaldi::BaseFloat> features;
+    ::kaldi::ComputeKaldiPitch(opts, input_wav, &features);
+    auto result = py::array_t<float>({features.NumRows(), features.NumCols()});
+    for (int row_idx = 0; row_idx < features.NumRows(); ++row_idx) {
+        std::memcpy(result.mutable_data(row_idx), features.Row(row_idx).Data(),
+                    sizeof(float)*features.NumCols());
+    }
    return result;
 }
 
-
 }  // namespace kaldi
 }  // namespace paddleaudio

paddlespeech/audio/src/pybind/kaldi/kaldi_feature.h

@@ -19,96 +19,46 @@
 #include <string>
 
 #include "paddlespeech/audio/src/pybind/kaldi/kaldi_feature_wrapper.h"
+#include "feat/pitch-functions.h"
 
 namespace py = pybind11;
 
 namespace paddleaudio {
 namespace kaldi {
 
-bool InitFbank(float samp_freq,  // frame opts
-               float frame_shift_ms,
-               float frame_length_ms,
-               float dither,
-               float preemph_coeff,
-               bool remove_dc_offset,
-               std::string window_type,  // e.g. Hamming window
-               bool round_to_power_of_two,
-               float blackman_coeff,
-               bool snip_edges,
-               bool allow_downsample,
-               bool allow_upsample,
-               int max_feature_vectors,
-               int num_bins,  // mel opts
-               float low_freq,
-               float high_freq,
-               float vtln_low,
-               float vtln_high,
-               bool debug_mel,
-               bool htk_mode,
-               bool use_energy,  // fbank opts
-               float energy_floor,
-               bool raw_energy,
-               bool htk_compat,
-               bool use_log_fbank,
-               bool use_power);
+struct FbankOptions{
+  bool use_energy;  // append an extra dimension with energy to the filter banks
+  float energy_floor;
+  bool raw_energy;  // If true, compute energy before preemphasis and windowing
+  bool htk_compat;  // If true, put energy last (if using energy)
+  bool use_log_fbank;  // if true (default), produce log-filterbank, else linear
+  bool use_power; 
+  FbankOptions(): use_energy(false),
+                 energy_floor(0.0),
+                 raw_energy(true),
+                 htk_compat(false),
+                 use_log_fbank(true),
+                 use_power(true) {}
+};
 
-py::array_t<double> ComputeFbank(
-    float samp_freq,  // frame opts
-    float frame_shift_ms,
-    float frame_length_ms,
-    float dither,
-    float preemph_coeff,
-    bool remove_dc_offset,
-    std::string window_type,  // e.g. Hamming window
-    bool round_to_power_of_two,
-    ::kaldi::BaseFloat blackman_coeff,
-    bool snip_edges,
-    bool allow_downsample,
-    bool allow_upsample,
-    int max_feature_vectors,
-    int num_bins,  // mel opts
-    float low_freq,
-    float high_freq,
-    float vtln_low,
-    float vtln_high,
-    bool debug_mel,
-    bool htk_mode,
-    bool use_energy,  // fbank opts
-    float energy_floor,
-    bool raw_energy,
-    bool htk_compat,
-    bool use_log_fbank,
-    bool use_power,
-    const py::array_t<double>& wav);
+bool InitFbank(
+    ::kaldi::FrameExtractionOptions frame_opts,
+    ::kaldi::MelBanksOptions mel_opts,
+    FbankOptions fbank_opts);
 
-py::array_t<double> ComputeFbankStreaming(const py::array_t<double>& wav);
+py::array_t<float> ComputeFbank(
+    ::kaldi::FrameExtractionOptions frame_opts,
+    ::kaldi::MelBanksOptions mel_opts,
+    FbankOptions fbank_opts,
+    const py::array_t<float>& wav);
 
-void ResetFbank();
+py::array_t<float> ComputeFbankStreaming(const py::array_t<float>& wav);
 
-py::array_t<double> ComputeFbankStreaming(const py::array_t<double>& wav);
+void ResetFbank();
 
-py::array_t<double> ComputeKaldiPitch(
- int samp_freq,
- float frame_shift_ms,
- float frame_length_ms,
- float preemph_coeff,
- int min_f0,
- int max_f0,
- float soft_min_f0,
- float penalty_factor,
- int   lowpass_cutoff,
- int  resample_freq,
- float delta_pitch,
- int  nccf_ballast,
- int lowpass_filter_width,
- int upsample_filter_width,
- int  max_frames_latency,
- int  frames_per_chunk,
- bool  simulate_first_pass_online,
- int  recompute_frame,
- bool  nccf_ballast_online,
- bool  snip_edges,
- const py::array_t<double>& wav);
+py::array_t<float> ComputeKaldiPitch(
+    const ::kaldi::PitchExtractionOptions& opts,
+    const py::array_t<float>& wav);
 
 }  // namespace kaldi
 }  // namespace paddleaudio

paddlespeech/audio/src/pybind/kaldi/kaldi_feature_wrapper.cc

@@ -27,43 +27,24 @@ bool KaldiFeatureWrapper::InitFbank(::kaldi::FbankOptions opts) {
     return true;
 }
 
-py::array_t<double> KaldiFeatureWrapper::ComputeFbank(
-    const py::array_t<double> wav) {
+py::array_t<float> KaldiFeatureWrapper::ComputeFbank(
+    const py::array_t<float> wav) {
     py::buffer_info info = wav.request();
-    ::kaldi::Vector<::kaldi::BaseFloat> input_wav(info.size);
-    double* wav_ptr = (double*)info.ptr;
-    for (int idx = 0; idx < info.size; ++idx) {
-        input_wav(idx) = *wav_ptr;
-        wav_ptr++;
-    }
-
+    ::kaldi::SubVector<::kaldi::BaseFloat> input_wav((float*)info.ptr, info.size);
 
     ::kaldi::Vector<::kaldi::BaseFloat> feats;
     bool flag = fbank_->ComputeFeature(input_wav, &feats);
-    if (flag == false || feats.Dim() == 0) return py::array_t<double>();
-    auto result = py::array_t<double>(feats.Dim());
+    if (flag == false || feats.Dim() == 0) return py::array_t<float>();
+    auto result = py::array_t<float>(feats.Dim());
     py::buffer_info xs = result.request();
     std::cout << std::endl;
-    double* res_ptr = (double*)xs.ptr;
+    float* res_ptr = (float*)xs.ptr;
     for (int idx = 0; idx < feats.Dim(); ++idx) {
         *res_ptr = feats(idx);
         res_ptr++;
     }
 
     return result.reshape({feats.Dim() / Dim(), Dim()});
-    /*
-         py::buffer_info info = wav.request();
-        std::cout << info.size << std::endl;
-        auto result = py::array_t<double>(info.size);
-       //::kaldi::Vector<::kaldi::BaseFloat> input_wav(info.size);
-        ::kaldi::Vector<double> input_wav(info.size);
-        py::buffer_info info_re = result.request();
-
-        memcpy(input_wav.Data(), (double*)info.ptr, wav.nbytes());
-        memcpy((double*)info_re.ptr, input_wav.Data(), input_wav.Dim()*
-       sizeof(double));
-        return result;
-    */
 }
 
 }  // namesapce kaldi

paddlespeech/audio/src/pybind/kaldi/kaldi_feature_wrapper.h

@@ -28,7 +28,7 @@ class KaldiFeatureWrapper {
   public:
     static KaldiFeatureWrapper* GetInstance();
     bool InitFbank(::kaldi::FbankOptions opts);
-    py::array_t<double> ComputeFbank(const py::array_t<double> wav);
+    py::array_t<float> ComputeFbank(const py::array_t<float> wav);
     int Dim() { return fbank_->Dim(); }
     void ResetFbank() { fbank_->Reset(); }
 

paddlespeech/audio/src/pybind/pybind.cpp

@@ -3,16 +3,76 @@
 
 #include "paddlespeech/audio/src/pybind/kaldi/kaldi_feature.h"
 #include "paddlespeech/audio/src/pybind/sox/io.h"
+#include "paddlespeech/audio/third_party/kaldi/feat/feature-fbank.h"
 
 PYBIND11_MODULE(_paddleaudio, m) {
-// Sox
+#ifdef INCLUDE_SOX
     m.def("get_info_file",
           &paddleaudio::sox_io::get_info_file,
           "Get metadata of audio file.");
     m.def("get_info_fileobj",
           &paddleaudio::sox_io::get_info_fileobj,
           "Get metadata of audio in file object.");
-// kaldi feat
+#endif
+
+#ifdef INCLUDE_KALDI
     m.def("ComputeFbank", &paddleaudio::kaldi::ComputeFbank, "compute fbank");
+    py::class_<kaldi::PitchExtractionOptions>(m, "PitchExtractionOptions")
+        .def(py::init<>())
+        .def_readwrite("samp_freq", &kaldi::PitchExtractionOptions::samp_freq)
+        .def_readwrite("frame_shift_ms", &kaldi::PitchExtractionOptions::frame_shift_ms)
+        .def_readwrite("frame_length_ms", &kaldi::PitchExtractionOptions::frame_length_ms)
+        .def_readwrite("preemph_coeff", &kaldi::PitchExtractionOptions::preemph_coeff)
+        .def_readwrite("min_f0", &kaldi::PitchExtractionOptions::min_f0)
+        .def_readwrite("max_f0", &kaldi::PitchExtractionOptions::max_f0)
+        .def_readwrite("soft_min_f0", &kaldi::PitchExtractionOptions::soft_min_f0)
+        .def_readwrite("penalty_factor", &kaldi::PitchExtractionOptions::penalty_factor)
+        .def_readwrite("lowpass_cutoff", &kaldi::PitchExtractionOptions::lowpass_cutoff)
+        .def_readwrite("resample_freq", &kaldi::PitchExtractionOptions::resample_freq)
+        .def_readwrite("delta_pitch", &kaldi::PitchExtractionOptions::delta_pitch)
+        .def_readwrite("nccf_ballast", &kaldi::PitchExtractionOptions::nccf_ballast)
+        .def_readwrite("lowpass_filter_width", &kaldi::PitchExtractionOptions::lowpass_filter_width)
+        .def_readwrite("upsample_filter_width", &kaldi::PitchExtractionOptions::upsample_filter_width)
+        .def_readwrite("max_frames_latency", &kaldi::PitchExtractionOptions::max_frames_latency)
+        .def_readwrite("frames_per_chunk", &kaldi::PitchExtractionOptions::frames_per_chunk)
+        .def_readwrite("simulate_first_pass_online", &kaldi::PitchExtractionOptions::simulate_first_pass_online)
+        .def_readwrite("recompute_frame", &kaldi::PitchExtractionOptions::recompute_frame)
+        .def_readwrite("nccf_ballast_online", &kaldi::PitchExtractionOptions::nccf_ballast_online)
+        .def_readwrite("snip_edges", &kaldi::PitchExtractionOptions::snip_edges);
     m.def("ComputeKaldiPitch", &paddleaudio::kaldi::ComputeKaldiPitch, "compute kaldi pitch");
+    py::class_<kaldi::FrameExtractionOptions>(m, "FrameExtractionOptions")
+        .def(py::init<>())            
+        .def_readwrite("samp_freq", &kaldi::FrameExtractionOptions::samp_freq)
+        .def_readwrite("frame_shift_ms", &kaldi::FrameExtractionOptions::frame_shift_ms)            
+        .def_readwrite("frame_length_ms", &kaldi::FrameExtractionOptions::frame_length_ms)
+        .def_readwrite("dither", &kaldi::FrameExtractionOptions::dither)            
+        .def_readwrite("preemph_coeff", &kaldi::FrameExtractionOptions::preemph_coeff)            
+        .def_readwrite("remove_dc_offset", &kaldi::FrameExtractionOptions::remove_dc_offset)            
+        .def_readwrite("window_type", &kaldi::FrameExtractionOptions::window_type)
+        .def_readwrite("round_to_power_of_two", &kaldi::FrameExtractionOptions::round_to_power_of_two)           
+        .def_readwrite("blackman_coeff", &kaldi::FrameExtractionOptions::blackman_coeff)          
+        .def_readwrite("snip_edges", &kaldi::FrameExtractionOptions::snip_edges)
+        .def_readwrite("allow_downsample", &kaldi::FrameExtractionOptions::allow_downsample)
+        .def_readwrite("allow_upsample", &kaldi::FrameExtractionOptions::allow_upsample)
+        .def_readwrite("max_feature_vectors", &kaldi::FrameExtractionOptions::max_feature_vectors);
+    py::class_<kaldi::MelBanksOptions>(m, "MelBanksOptions")
+        .def(py::init<>())
+        .def_readwrite("num_bins", &kaldi::MelBanksOptions::num_bins)
+        .def_readwrite("low_freq", &kaldi::MelBanksOptions::low_freq)
+        .def_readwrite("high_freq", &kaldi::MelBanksOptions::high_freq)
+        .def_readwrite("vtln_low", &kaldi::MelBanksOptions::vtln_low)
+        .def_readwrite("vtln_high", &kaldi::MelBanksOptions::vtln_high)
+        .def_readwrite("debug_mel", &kaldi::MelBanksOptions::debug_mel)
+        .def_readwrite("htk_mode", &kaldi::MelBanksOptions::htk_mode);
+
+    py::class_<paddleaudio::kaldi::FbankOptions>(m, "FbankOptions")
+        .def(py::init<>())
+        .def_readwrite("use_energy", &paddleaudio::kaldi::FbankOptions::use_energy)
+        .def_readwrite("energy_floor", &paddleaudio::kaldi::FbankOptions::energy_floor)
+        .def_readwrite("raw_energy", &paddleaudio::kaldi::FbankOptions::raw_energy)
+        .def_readwrite("htk_compat", &paddleaudio::kaldi::FbankOptions::htk_compat)
+        .def_readwrite("use_log_fbank", &paddleaudio::kaldi::FbankOptions::use_log_fbank)
+        .def_readwrite("use_power", &paddleaudio::kaldi::FbankOptions::use_power);
+#endif
+
 }

paddlespeech/audio/third_party/kaldi/CMakeLists.txt

@@ -32,9 +32,9 @@ target_include_directories(kaldi-base PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 # kaldi-matrix
 add_library(kaldi-matrix STATIC
   matrix/compressed-matrix.cc
+  matrix/matrix-functions.cc
   matrix/kaldi-matrix.cc
   matrix/kaldi-vector.cc
-  matrix/matrix-functions.cc
   matrix/optimization.cc
   matrix/packed-matrix.cc
   matrix/qr.cc
@@ -65,14 +65,14 @@ target_link_libraries(kaldi-util PUBLIC kaldi-base kaldi-matrix)
 
 # kaldi-feat-common
 add_library(kaldi-feat-common STATIC
-  feat/wave-reader.cc
-  feat/signal.cc
+  feat/cmvn.cc
   feat/feature-functions.cc
   feat/feature-window.cc
-  feat/resample.cc
-  feat/pitch-functions.cc
   feat/mel-computations.cc
-  feat/cmvn.cc
+  feat/pitch-functions.cc
+  feat/resample.cc
+  feat/signal.cc
+  feat/wave-reader.cc
 )
 target_include_directories(kaldi-feat-common PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(kaldi-feat-common PUBLIC kaldi-base kaldi-matrix kaldi-util)

speechx/speechx/kaldi/feat/online-feature-itf.h

-// itf/online-feature-itf.h
+// feat/online-feature-itf.h
 
 // Copyright    2013  Johns Hopkins University (author: Daniel Povey)
 
@@ -17,8 +17,8 @@
 // See the Apache 2 License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef KALDI_ITF_ONLINE_FEATURE_ITF_H_
-#define KALDI_ITF_ONLINE_FEATURE_ITF_H_ 1
+#ifndef KALDI_FEAT_ONLINE_FEATURE_ITF_H_
+#define KALDI_FEAT_ONLINE_FEATURE_ITF_H_ 1
 #include "base/kaldi-common.h"
 #include "matrix/matrix-lib.h"
 

tests/unit/audio/features/test_kaldi_feat.py

@@ -16,31 +16,43 @@ import unittest
 import numpy as np
 import paddle
 
-import paddlespeech.audio.kaldi.kaldi.fbank as fbank
-import paddlespeech.audio.kaldi.kaldi.pitch as pitch
-import kaldiio import ReadHelper
+import paddlespeech.audio.kaldi.fbank as fbank
+import paddlespeech.audio.kaldi.pitch as pitch
+from kaldiio import ReadHelper
+
+# the groundtruth feats computed in kaldi command below.
+#compute-fbank-feats  --dither=0 scp:$wav_scp ark,t:fbank_feat.ark
+#compute-kaldi-pitch-feats --sample-frequency=16000 scp:$wav_scp ark,t:pitch_feat.ark
 
 class TestKaldiFbank(unittest.TestCase):
 
-    def test_fbank_pitch(self):
-        fbank_groundtruth = None
-        pitch_groundtruth = None
-        with ReadHelper('ark:fbank_feat.ark') as reader:
+    def test_fbank(self):
+        fbank_groundtruth = {}
+        with ReadHelper('ark:testdata/fbank_feat.ark') as reader:
             for key, feat in reader:
-                fbank_groundtruth = feat
+                fbank_groundtruth[key] = feat
+
+        with ReadHelper('ark:testdata/wav.ark') as reader:
+            for key, wav in reader:
+                fbank_feat = fbank(wav)
+                fbank_check = fbank_groundtruth[key]
+                np.testing.assert_array_almost_equal(
+                    fbank_feat, fbank_check, decimal=4)
 
-        with ReadHelper('ark:pitch_feat.ark') as reader:
+    def test_pitch(self):
+        pitch_groundtruth = {}
+        with ReadHelper('ark:testdata/pitch_feat.ark') as reader:
            for key, feat in reader:
-               pitch_groundtruth = feat
+               pitch_groundtruth[key] = feat
 
-        with ReadHelper('ark:wav.ark') as reader:
+        with ReadHelper('ark:testdata/wav.ark') as reader:
             for key, wav in reader:
-                fbank_feat = fbank(wav)
                 pitch_feat = pitch(wav)
+                pitch_check = pitch_groundtruth[key]
                 np.testing.assert_array_almost_equal(
-                    fbank_feat, fbank_groundtruth, decimal=4)
-                np.testing.assert_array_almost_equal(
-                    pitch_feat, pitch_groundtruth, decimal=4)
+                    pitch_feat, pitch_check, decimal=4)
+
+
 
 if __name__ == '__main__':
     unittest.main()

tests/unit/audio/features/testdata/fbank_feat.ark

-BAC009S0768W0290  [
+test_wav  [
   8.86961 7.025289 6.664165 7.169617 7.317829 7.188704 8.351522 8.843228 7.711394 7.231504 6.903938 7.053499 7.293597 8.331067 7.871729 9.206844 9.434045 9.768963 10.01864 10.25888 10.68228 10.55968 10.62156 
   8.364346 7.526375 6.915925 6.705005 7.641569 7.827819 8.253532 7.794802 7.522578 7.222802 7.388284 7.493527 8.257078 9.141049 8.994849 9.348937 9.015431 9.343955 10.42236 10.13459 10.40709 10.39534 10.22199 
   7.230361 6.771988 6.422344 7.535786 7.164408 6.342811 8.723886 8.481328 6.804535 7.276428 7.471786 7.581892 8.757826 8.764767 8.570841 8.741215 9.756334 9.515329 9.720121 10.26671 10.67728 10.5581 10.61378 
@@ -33,7 +33,7 @@ BAC009S0768W0290  [
   9.17825 6.552885 7.865911 7.314655 7.429624 7.467305 7.331274 8.097523 8.513691 7.603092 8.123087 8.988563 8.24368 7.665757 8.043156 9.323641 9.559673 10.4114 10.44213 10.46176 10.31303 10.41219 10.04096 
   9.499084 6.913695 8.680465 8.913202 7.983476 7.54614 8.20214 8.433187 7.619872 7.079637 7.59503 7.827682 8.021211 8.954014 8.512682 8.685501 9.039448 9.882102 10.09629 9.995301 10.25326 10.52707 10.41024 
   8.841949 7.852749 8.220187 8.067208 6.958006 6.525739 7.606658 8.743006 8.618779 7.857424 7.85938 6.839745 8.494206 7.93556 8.554915 9.17892 9.411014 9.403722 9.75618 9.915223 10.4127 10.62058 10.75261 
-  8.80931 7.176473 8.226482 8.048065 6.875594 7.035853 8.159007 8.788584 7.998541 7.745961 7.02769 7.343524 8.768233 8.742394 8.993815 8.919962 8.948602 9.299537 9.644718 9.328181 10.0551 10.60812 10.26714 
+  8.80931 7.176473 8.226482 8.048065 6.875594 7.035853 8.159007 8.788584 7.998541 7.745961 7.02769 7.343524 8.768233 8.742394 8.993815 8.919962 8.948602 9.299537 9.644719 9.328181 10.0551 10.60812 10.26714 
   8.416738 7.433433 8.202932 7.654713 7.487177 7.454067 7.807778 8.21654 7.973643 7.745943 7.477229 7.699207 8.724244 8.921854 9.167027 9.329788 9.198338 9.449234 9.350556 9.504007 10.01113 10.77754 10.79311 
   7.265522 8.85788 8.794858 6.660202 5.630237 7.668158 8.690257 8.2572 7.200497 7.342714 7.748627 8.173976 8.632828 8.53996 9.053345 9.001765 9.227647 10.09744 9.63631 10.25264 9.908823 11.11253 11.10346 
   8.641815 8.838676 8.314915 6.847168 5.620167 7.186635 8.486069 8.301935 7.863872 7.790708 7.733249 8.113005 8.49118 7.827488 8.389672 8.932463 9.147495 10.10519 10.22344 10.33928 10.09212 10.47646 10.13575 
@@ -51,7 +51,7 @@ BAC009S0768W0290  [
   8.511848 7.523149 8.195268 7.966453 7.744322 8.485562 8.004887 7.922952 8.245237 7.383193 7.844249 8.127041 8.127259 8.443523 8.102531 8.774108 8.681726 9.477551 8.882012 9.804171 10.55685 10.48077 10.37192 
   7.975676 7.082146 7.933741 6.951503 6.272567 7.088233 7.917744 7.379583 8.238628 7.820266 8.475443 8.424726 8.05715 8.067741 8.94787 8.867351 9.374059 9.266661 9.49703 10.01138 10.3168 10.71612 10.27346 
   8.813721 8.656951 7.681757 7.203363 7.488046 8.216457 8.221495 7.714307 7.938663 7.708951 8.019526 7.926672 7.864351 7.698409 8.801851 8.555806 9.788485 9.553381 9.62245 10.2158 9.915847 10.40117 10.80687 
-  6.477304 7.734454 8.373713 6.965827 8.077723 8.442548 7.893295 8.407219 7.909376 8.080144 8.55372 7.803288 6.868239 8.449481 8.860373 8.910608 9.437862 9.165442 9.822459 10.30201 10.48472 10.77984 11.18594 
+  6.477304 7.734454 8.373713 6.965827 8.077723 8.442548 7.893295 8.407219 7.909376 8.080144 8.55372 7.803288 6.868239 8.449481 8.860373 8.910608 9.437862 9.165442 9.82246 10.30201 10.48472 10.77984 11.18594 
   9.42877 10.45913 10.29159 9.716755 9.220295 8.658374 6.794528 6.873018 7.217855 8.288869 8.809176 8.809996 8.093638 8.87556 9.207784 9.647738 9.825712 10.08347 9.918015 10.10553 10.54475 11.02415 10.92163 
   13.23045 15.72255 15.14105 16.25381 15.65043 12.23466 10.81911 10.62931 10.80597 11.77175 12.40585 12.68368 13.26326 11.76209 10.96095 14.30546 15.08591 12.37251 12.23275 11.97119 10.67747 10.71765 10.87486 
   13.65519 16.94076 16.0239 18.20588 16.9831 13.7648 12.16126 11.07043 11.80799 12.73412 12.98298 12.90398 14.25156 11.9087 10.24638 14.79149 15.7653 13.01829 12.92099 13.79269 11.3934 11.02932 11.13173 
@@ -153,7 +153,7 @@ BAC009S0768W0290  [
   10.35312 17.61216 18.04445 15.89868 17.93677 15.43736 14.92465 10.95503 10.74119 11.10365 10.10367 8.769894 9.549344 9.448477 10.16095 9.991289 10.12919 10.67581 10.30081 10.2757 10.61878 11.08467 11.66054 
   10.57029 16.80257 17.43232 15.33712 17.40169 14.69754 13.7979 10.32226 10.54766 10.62139 9.538151 8.558439 8.763721 9.43328 9.823753 9.941569 10.20876 10.29988 9.839418 10.4947 10.67628 10.63656 11.36743 
   10.88069 16.40481 16.94452 14.63999 16.55998 13.75831 12.04815 10.07983 9.779847 9.41483 9.367539 8.638872 7.551649 8.591156 9.22356 9.253392 9.312204 10.12255 9.771526 10.66726 10.28885 10.70903 10.99041 
-  10.68995 15.9614 16.66981 12.87561 15.32809 13.38852 13.34967 10.08965 9.267484 8.510974 8.937634 8.066225 7.492024 8.559677 9.379137 8.934621 9.395594 9.947574 9.762502 10.16802 10.52471 10.62313 10.52163 
+  10.68995 15.9614 16.66981 12.87561 15.32809 13.38852 13.34967 10.08965 9.267484 8.510974 8.937634 8.066225 7.492024 8.559677 9.379137 8.934621 9.395594 9.947574 9.762503 10.16802 10.52471 10.62313 10.52163 
   10.10682 15.73363 16.55744 12.98704 15.02876 13.22308 13.64594 9.306398 8.513678 8.840482 8.639846 8.813548 8.690471 9.372956 9.21609 9.271674 10.22423 10.17199 9.91317 10.44354 10.81481 10.71306 10.58567 
   10.53498 15.85452 16.48894 13.69206 15.73015 14.98417 13.35866 12.12415 12.66079 12.8636 12.57128 11.65822 10.42173 9.932479 10.30401 10.88577 10.69672 11.60742 10.67614 10.5448 11.20179 12.58635 13.41792 
   10.96499 15.49205 16.39072 14.58421 16.09194 14.12068 12.85947 10.9668 11.6846 11.61401 11.32033 10.1519 9.595464 9.126978 9.282423 9.871722 10.47498 11.93141 10.77083 10.79808 10.82797 12.26179 13.4949 
@@ -264,7 +264,7 @@ BAC009S0768W0290  [
   12.84129 12.74346 11.62644 11.11886 11.60124 9.904121 10.04816 10.7376 10.31966 11.05361 11.45463 12.15746 11.15053 10.69711 11.84554 13.98456 14.60289 15.31413 15.49967 16.84238 18.05069 19.01266 18.84834 
   12.53398 11.96433 9.244778 8.572387 10.26614 9.39289 10.5042 10.72253 10.65647 12.75043 13.54582 13.20332 12.30947 11.8775 13.39289 15.73803 16.03198 17.65893 17.08116 18.5041 19.5771 20.24899 20.35165 
   12.00563 12.20351 10.276 9.838881 10.18145 9.774684 9.775256 10.85217 11.57201 12.9943 13.72266 13.57533 12.36394 12.41757 14.64912 16.40559 16.40833 17.94178 17.0117 19.56192 20.42689 21.10626 20.54123 
-  11.91491 12.22656 10.11695 11.68905 13.45684 12.16579 11.17595 11.02882 13.19395 13.89767 15.23678 15.18915 13.55568 14.68092 15.77575 16.75733 17.13061 17.34155 17.21396 19.74595 20.57611 22.05666 21.36359 
+  11.91491 12.22656 10.11695 11.68905 13.45684 12.16579 11.17595 11.02882 13.19395 13.89767 15.23678 15.18915 13.55568 14.68092 15.77575 16.75733 17.13061 17.34155 17.21397 19.74595 20.57611 22.05666 21.36359 
   11.47355 11.28028 10.45217 11.66897 13.02617 12.40421 12.3838 12.38136 13.96514 15.68431 16.50488 16.14618 15.39929 15.91039 16.42896 17.51905 18.45585 18.59583 17.75705 19.62965 20.81224 22.27122 21.80147 
   12.52662 11.94858 10.55505 12.42413 13.77102 13.32065 12.9342 13.66854 14.39565 16.63391 17.94618 17.4248 17.46566 16.57822 16.48766 17.86062 18.27674 18.54208 17.23242 19.31924 20.2264 21.92178 21.3364 
   12.02873 11.26655 9.571183 11.58556 13.19479 12.65055 12.59585 14.40476 14.95008 16.4713 18.34317 18.11756 17.86362 16.10263 16.13897 16.93494 18.05787 17.58092 17.09885 18.80086 19.4799 20.65734 19.97151 
@@ -296,7 +296,7 @@ BAC009S0768W0290  [
   16.31133 18.53433 16.33694 15.77417 14.38188 12.95522 13.08407 14.4475 12.69577 13.27632 12.01401 11.38529 10.35604 10.744 10.78147 10.85441 10.54302 12.20752 11.1479 11.46902 11.70803 13.0295 13.62829 
   16.08484 18.22621 16.04434 15.1363 12.58238 11.89639 12.57116 13.53181 14.12426 14.20648 11.83826 11.15889 9.9625 10.32529 9.984441 10.63607 11.00616 12.5833 11.28041 11.6917 11.89614 12.90713 13.29698 
   15.68179 17.81505 16.00374 14.72812 14.84708 11.26076 12.04008 13.00523 14.13205 13.28368 11.21361 10.097 9.955743 10.26499 9.792438 9.863858 11.07145 12.3472 10.51815 10.99274 11.61275 13.19388 13.72785 
-  14.55198 16.86638 15.5845 14.5592 14.73209 12.26241 10.81983 11.97698 13.21972 12.68782 10.91807 10.4126 9.59472 10.19615 9.584566 9.555467 10.64191 12.16234 10.07995 11.50145 12.38193 12.66189 12.71277 
+  14.55198 16.86638 15.5845 14.5592 14.73209 12.26241 10.81983 11.97698 13.21972 12.68782 10.91807 10.4126 9.59472 10.19615 9.584566 9.555467 10.64191 12.16234 10.07995 11.50145 12.38194 12.66189 12.71277 
   13.01004 15.59743 15.64693 14.08796 13.8486 11.90227 10.5667 10.79841 12.75414 11.89225 9.598926 9.206168 9.479238 8.989665 8.048623 9.163903 10.12297 11.2002 10.10107 10.59673 10.9262 11.29577 11.6629 
   13.91573 16.00849 15.0316 13.62253 12.95412 9.966305 10.1017 9.991467 9.596074 9.605503 9.343888 9.190509 8.865524 8.973734 8.919617 9.209815 10.08192 10.85753 10.00404 9.867455 10.36516 11.38496 11.67881 
   14.8278 16.76171 14.70668 13.6729 13.04084 9.941384 9.693533 10.51062 10.44051 10.19218 9.282916 9.032 8.986729 8.863693 9.409104 9.42415 9.590022 10.41179 9.549519 9.795614 10.16903 11.44894 11.5452 
@@ -442,7 +442,7 @@ BAC009S0768W0290  [
   10.1434 9.600281 9.03609 9.28277 9.389798 9.782507 9.522714 9.155346 10.51925 11.83723 12.88527 13.05917 12.5973 11.04044 12.4058 11.76693 11.41435 11.29793 11.33523 11.57119 11.21824 12.67894 11.60467 
   9.044415 9.35461 8.125829 8.155436 10.21073 9.420408 8.485256 9.519516 10.80159 11.03508 12.98993 12.86469 12.11976 11.60614 11.22908 11.30737 11.26812 11.07872 11.49184 12.23885 12.01657 12.81706 11.95831 
   9.557627 10.25238 8.452591 8.784152 10.9992 9.823544 9.510536 10.38744 11.27521 11.65287 13.02484 12.76013 11.33446 11.90731 11.69084 11.35221 11.25088 11.1325 11.48025 11.96735 11.96839 12.37707 11.87469 
-  10.23095 9.161502 8.99103 8.923839 9.805343 9.837078 10.10092 9.621623 10.84666 11.88772 13.02984 13.09626 11.90776 11.65839 11.98773 11.63274 11.56222 10.86827 11.27272 11.77922 11.91178 12.68476 12.05235 
+  10.23095 9.161502 8.99103 8.923839 9.805343 9.837078 10.10092 9.621623 10.84666 11.88772 13.02984 13.09626 11.90776 11.65839 11.98773 11.63274 11.56222 10.86827 11.27272 11.77922 11.91178 12.68476 12.05236 
   8.874165 7.809851 8.695865 8.223797 8.763299 9.566321 8.770155 9.008782 11.19149 11.83618 13.52786 13.19089 11.91928 11.96163 12.16576 11.49836 11.79749 10.94192 10.88142 11.00608 11.66361 12.51995 11.84705 
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tests/unit/audio/features/testdata/pitch_feat.ark

-BAC009S0768W0290  [
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