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Add non-streaming ASR APIs for node-addon-api (#868)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // Copyright (c) 2024 Xiaomi Corporation | ||
| const sherpa_onnx = require('sherpa-onnx-node'); | ||
| const performance = require('perf_hooks').performance; | ||
|
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|
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| // Please download test files from | ||
| // https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models | ||
| const config = { | ||
| 'featConfig': { | ||
| 'sampleRate': 16000, | ||
| 'featureDim': 80, | ||
| }, | ||
| 'modelConfig': { | ||
| 'nemoCtc': { | ||
| 'model': | ||
| './sherpa-onnx-nemo-fast-conformer-ctc-be-de-en-es-fr-hr-it-pl-ru-uk-20k/model.onnx', | ||
| }, | ||
| 'tokens': | ||
| './sherpa-onnx-nemo-fast-conformer-ctc-be-de-en-es-fr-hr-it-pl-ru-uk-20k/tokens.txt', | ||
| 'numThreads': 2, | ||
| 'provider': 'cpu', | ||
| 'debug': 1, | ||
| } | ||
| }; | ||
|
|
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| const waveFilename = | ||
| './sherpa-onnx-nemo-fast-conformer-ctc-be-de-en-es-fr-hr-it-pl-ru-uk-20k/test_wavs/de-german.wav'; | ||
|
|
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| const recognizer = new sherpa_onnx.OfflineRecognizer(config); | ||
| console.log('Started') | ||
| let start = performance.now(); | ||
| const stream = recognizer.createStream(); | ||
| const wave = sherpa_onnx.readWave(waveFilename); | ||
| stream.acceptWaveform({sampleRate: wave.sampleRate, samples: wave.samples}); | ||
|
|
||
| recognizer.decode(stream); | ||
| result = recognizer.getResult(stream) | ||
| let stop = performance.now(); | ||
| console.log('Done') | ||
|
|
||
| const elapsed_seconds = (stop - start) / 1000; | ||
| const duration = wave.samples.length / wave.sampleRate; | ||
| const real_time_factor = elapsed_seconds / duration; | ||
| console.log('Wave duration', duration.toFixed(3), 'secodns') | ||
| console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns') | ||
| console.log( | ||
| `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`, | ||
| real_time_factor.toFixed(3)) | ||
| console.log(waveFilename) | ||
| console.log('result\n', result) |
48 changes: 48 additions & 0 deletions
48
nodejs-addon-examples/test_asr_non_streaming_paraformer.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // Copyright (c) 2024 Xiaomi Corporation | ||
| const sherpa_onnx = require('sherpa-onnx-node'); | ||
| const performance = require('perf_hooks').performance; | ||
|
|
||
|
|
||
| // Please download test files from | ||
| // https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models | ||
| const config = { | ||
| 'featConfig': { | ||
| 'sampleRate': 16000, | ||
| 'featureDim': 80, | ||
| }, | ||
| 'modelConfig': { | ||
| 'paraformer': { | ||
| 'model': './sherpa-onnx-paraformer-zh-2023-03-28/model.int8.onnx', | ||
| }, | ||
| 'tokens': './sherpa-onnx-paraformer-zh-2023-03-28/tokens.txt', | ||
| 'numThreads': 2, | ||
| 'provider': 'cpu', | ||
| 'debug': 1, | ||
| } | ||
| }; | ||
|
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| const waveFilename = | ||
| './sherpa-onnx-paraformer-zh-2023-03-28/test_wavs/5-henan.wav'; | ||
|
|
||
| const recognizer = new sherpa_onnx.OfflineRecognizer(config); | ||
| console.log('Started') | ||
| let start = performance.now(); | ||
| const stream = recognizer.createStream(); | ||
| const wave = sherpa_onnx.readWave(waveFilename); | ||
| stream.acceptWaveform({sampleRate: wave.sampleRate, samples: wave.samples}); | ||
|
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| recognizer.decode(stream); | ||
| result = recognizer.getResult(stream) | ||
| let stop = performance.now(); | ||
| console.log('Done') | ||
|
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| const elapsed_seconds = (stop - start) / 1000; | ||
| const duration = wave.samples.length / wave.sampleRate; | ||
| const real_time_factor = elapsed_seconds / duration; | ||
| console.log('Wave duration', duration.toFixed(3), 'secodns') | ||
| console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns') | ||
| console.log( | ||
| `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`, | ||
| real_time_factor.toFixed(3)) | ||
| console.log(waveFilename) | ||
| console.log('result\n', result) |
52 changes: 52 additions & 0 deletions
52
nodejs-addon-examples/test_asr_non_streaming_transducer.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| // Copyright (c) 2024 Xiaomi Corporation | ||
| const sherpa_onnx = require('sherpa-onnx-node'); | ||
| const performance = require('perf_hooks').performance; | ||
|
|
||
|
|
||
| // Please download test files from | ||
| // https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models | ||
| const config = { | ||
| 'featConfig': { | ||
| 'sampleRate': 16000, | ||
| 'featureDim': 80, | ||
| }, | ||
| 'modelConfig': { | ||
| 'transducer': { | ||
| 'encoder': | ||
| './sherpa-onnx-zipformer-en-2023-04-01/encoder-epoch-99-avg-1.int8.onnx', | ||
| 'decoder': | ||
| './sherpa-onnx-zipformer-en-2023-04-01/decoder-epoch-99-avg-1.onnx', | ||
| 'joiner': | ||
| './sherpa-onnx-zipformer-en-2023-04-01/joiner-epoch-99-avg-1.int8.onnx', | ||
| }, | ||
| 'tokens': './sherpa-onnx-zipformer-en-2023-04-01/tokens.txt', | ||
| 'numThreads': 2, | ||
| 'provider': 'cpu', | ||
| 'debug': 1, | ||
| } | ||
| }; | ||
|
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||
| const waveFilename = './sherpa-onnx-zipformer-en-2023-04-01/test_wavs/1.wav'; | ||
|
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| const recognizer = new sherpa_onnx.OfflineRecognizer(config); | ||
| console.log('Started') | ||
| let start = performance.now(); | ||
| const stream = recognizer.createStream(); | ||
| const wave = sherpa_onnx.readWave(waveFilename); | ||
| stream.acceptWaveform({sampleRate: wave.sampleRate, samples: wave.samples}); | ||
|
|
||
| recognizer.decode(stream); | ||
| result = recognizer.getResult(stream) | ||
| let stop = performance.now(); | ||
| console.log('Done') | ||
|
|
||
| const elapsed_seconds = (stop - start) / 1000; | ||
| const duration = wave.samples.length / wave.sampleRate; | ||
| const real_time_factor = elapsed_seconds / duration; | ||
| console.log('Wave duration', duration.toFixed(3), 'secodns') | ||
| console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns') | ||
| console.log( | ||
| `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`, | ||
| real_time_factor.toFixed(3)) | ||
| console.log(waveFilename) | ||
| console.log('result\n', result) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // Copyright (c) 2024 Xiaomi Corporation | ||
| const sherpa_onnx = require('sherpa-onnx-node'); | ||
| const performance = require('perf_hooks').performance; | ||
|
|
||
|
|
||
| // Please download test files from | ||
| // https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models | ||
| const config = { | ||
| 'featConfig': { | ||
| 'sampleRate': 16000, | ||
| 'featureDim': 80, | ||
| }, | ||
| 'modelConfig': { | ||
| 'whisper': { | ||
| 'encoder': './sherpa-onnx-whisper-tiny.en/tiny.en-encoder.int8.onnx', | ||
| 'decoder': './sherpa-onnx-whisper-tiny.en/tiny.en-decoder.int8.onnx', | ||
| }, | ||
| 'tokens': './sherpa-onnx-whisper-tiny.en/tiny.en-tokens.txt', | ||
| 'numThreads': 2, | ||
| 'provider': 'cpu', | ||
| 'debug': 1, | ||
| } | ||
| }; | ||
|
|
||
| const waveFilename = './sherpa-onnx-whisper-tiny.en/test_wavs/0.wav'; | ||
|
|
||
| const recognizer = new sherpa_onnx.OfflineRecognizer(config); | ||
| console.log('Started') | ||
| let start = performance.now(); | ||
| const stream = recognizer.createStream(); | ||
| const wave = sherpa_onnx.readWave(waveFilename); | ||
| stream.acceptWaveform({sampleRate: wave.sampleRate, samples: wave.samples}); | ||
|
|
||
| recognizer.decode(stream); | ||
| result = recognizer.getResult(stream) | ||
| let stop = performance.now(); | ||
| console.log('Done') | ||
|
|
||
| const elapsed_seconds = (stop - start) / 1000; | ||
| const duration = wave.samples.length / wave.sampleRate; | ||
| const real_time_factor = elapsed_seconds / duration; | ||
| console.log('Wave duration', duration.toFixed(3), 'secodns') | ||
| console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns') | ||
| console.log( | ||
| `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`, | ||
| real_time_factor.toFixed(3)) | ||
| console.log(waveFilename) | ||
| console.log('result\n', result) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // Copyright (c) 2024 Xiaomi Corporation | ||
| const sherpa_onnx = require('sherpa-onnx-node'); | ||
| const performance = require('perf_hooks').performance; | ||
|
|
||
|
|
||
| // Please download test files from | ||
| // https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models | ||
| const config = { | ||
| 'featConfig': { | ||
| 'sampleRate': 16000, | ||
| 'featureDim': 80, | ||
| }, | ||
| 'modelConfig': { | ||
| 'paraformer': { | ||
| 'encoder': | ||
| './sherpa-onnx-streaming-paraformer-bilingual-zh-en/encoder.int8.onnx', | ||
| 'decoder': | ||
| './sherpa-onnx-streaming-paraformer-bilingual-zh-en/decoder.int8.onnx', | ||
| }, | ||
| 'tokens': './sherpa-onnx-streaming-paraformer-bilingual-zh-en/tokens.txt', | ||
| 'numThreads': 2, | ||
| 'provider': 'cpu', | ||
| 'debug': 1, | ||
| } | ||
| }; | ||
|
|
||
| const waveFilename = | ||
| './sherpa-onnx-streaming-paraformer-bilingual-zh-en/test_wavs/0.wav'; | ||
|
|
||
| const recognizer = new sherpa_onnx.OnlineRecognizer(config); | ||
| console.log('Started') | ||
| let start = performance.now(); | ||
| const stream = recognizer.createStream(); | ||
| const wave = sherpa_onnx.readWave(waveFilename); | ||
| stream.acceptWaveform({sampleRate: wave.sampleRate, samples: wave.samples}); | ||
|
|
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| const tailPadding = new Float32Array(wave.sampleRate * 0.4); | ||
| stream.acceptWaveform({samples: tailPadding, sampleRate: wave.sampleRate}); | ||
|
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||
| while (recognizer.isReady(stream)) { | ||
| recognizer.decode(stream); | ||
| } | ||
| result = recognizer.getResult(stream) | ||
| let stop = performance.now(); | ||
| console.log('Done') | ||
|
|
||
| const elapsed_seconds = (stop - start) / 1000; | ||
| const duration = wave.samples.length / wave.sampleRate; | ||
| const real_time_factor = elapsed_seconds / duration; | ||
| console.log('Wave duration', duration.toFixed(3), 'secodns') | ||
| console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns') | ||
| console.log( | ||
| `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`, | ||
| real_time_factor.toFixed(3)) | ||
| console.log(waveFilename) | ||
| console.log('result\n', result) |
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