56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
// c-api-examples/speech-enhancement-gtcrn-c-api.c
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//
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// Copyright (c) 2025 Xiaomi Corporation
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//
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// We assume you have pre-downloaded model
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// from
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// https://github.com/k2-fsa/sherpa-onnx/releases/tag/speech-enhancement-models
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//
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//
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// An example command to download
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// clang-format off
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/*
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wget https://github.com/k2-fsa/sherpa-onnx/releases/download/speech-enhancement-models/gtcrn_simple.onnx
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wget https://github.com/k2-fsa/sherpa-onnx/releases/download/speech-enhancement-models/inp_16k.wav
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*/
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// clang-format on
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#include <stdio.h>
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#include <string.h>
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#include "sherpa-onnx/c-api/c-api.h"
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int32_t main() {
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SherpaOnnxOfflineSpeechDenoiserConfig config;
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const char *wav_filename = "./inp_16k.wav";
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const char *out_wave_filename = "./enhanced_16k.wav";
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memset(&config, 0, sizeof(config));
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config.model.gtcrn.model = "./gtcrn_simple.onnx";
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const SherpaOnnxOfflineSpeechDenoiser *sd =
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SherpaOnnxCreateOfflineSpeechDenoiser(&config);
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if (!sd) {
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fprintf(stderr, "Please check your config");
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return -1;
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}
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const SherpaOnnxWave *wave = SherpaOnnxReadWave(wav_filename);
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if (wave == NULL) {
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SherpaOnnxDestroyOfflineSpeechDenoiser(sd);
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fprintf(stderr, "Failed to read %s\n", wav_filename);
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return -1;
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}
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const SherpaOnnxDenoisedAudio *denoised = SherpaOnnxOfflineSpeechDenoiserRun(
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sd, wave->samples, wave->num_samples, wave->sample_rate);
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SherpaOnnxWriteWave(denoised->samples, denoised->n, denoised->sample_rate,
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out_wave_filename);
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SherpaOnnxDestroyDenoisedAudio(denoised);
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SherpaOnnxFreeWave(wave);
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SherpaOnnxDestroyOfflineSpeechDenoiser(sd);
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fprintf(stdout, "Saved to %s\n", out_wave_filename);
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}
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