3bf986d08d
This PR adds support for non-streaming Zipformer CTC ASR models across multiple language bindings, WebAssembly, examples, and CI workflows. - Introduces a new OfflineZipformerCtcModelConfig in C/C++, Python, Swift, Java, Kotlin, Go, Dart, Pascal, and C# APIs - Updates initialization, freeing, and recognition logic to include Zipformer CTC in WASM and Node.js - Adds example scripts and CI steps for downloading, building, and running Zipformer CTC models Model doc is available at https://k2-fsa.github.io/sherpa/onnx/pretrained_models/offline-ctc/icefall/zipformer.html
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
// Copyright (c) 2025 Xiaomi Corporation
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const sherpa_onnx = require('sherpa-onnx-node');
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// Please download test files from
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// https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models
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const config = {
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'featConfig': {
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'sampleRate': 16000,
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'featureDim': 80,
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},
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'modelConfig': {
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'zipformerCtc': {
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'model': './sherpa-onnx-zipformer-ctc-zh-int8-2025-07-03/model.int8.onnx',
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},
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'tokens': './sherpa-onnx-zipformer-ctc-zh-int8-2025-07-03/tokens.txt',
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'numThreads': 2,
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'provider': 'cpu',
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'debug': 1,
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}
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};
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const waveFilename =
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'./sherpa-onnx-zipformer-ctc-zh-int8-2025-07-03/test_wavs/0.wav';
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const recognizer = new sherpa_onnx.OfflineRecognizer(config);
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console.log('Started')
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let start = Date.now();
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const stream = recognizer.createStream();
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const wave = sherpa_onnx.readWave(waveFilename);
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stream.acceptWaveform({sampleRate: wave.sampleRate, samples: wave.samples});
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recognizer.decode(stream);
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result = recognizer.getResult(stream)
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let stop = Date.now();
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console.log('Done')
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const elapsed_seconds = (stop - start) / 1000;
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const duration = wave.samples.length / wave.sampleRate;
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const real_time_factor = elapsed_seconds / duration;
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console.log('Wave duration', duration.toFixed(3), 'seconds')
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console.log('Elapsed', elapsed_seconds.toFixed(3), 'seconds')
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console.log(
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`RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`,
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real_time_factor.toFixed(3))
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console.log(waveFilename)
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console.log('result\n', result)
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