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model_selection.go
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model_selection.go
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// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// 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.
// Package snippets contains speech examples.
package snippets
import (
"fmt"
"io"
"io/ioutil"
"strings"
// [START imports]
"context"
speech "cloud.google.com/go/speech/apiv1"
"cloud.google.com/go/speech/apiv1/speechpb"
// [END imports]
)
// [START speech_transcribe_model_selection]
func modelSelection(w io.Writer, path string) error {
ctx := context.Background()
client, err := speech.NewClient(ctx)
if err != nil {
return fmt.Errorf("NewClient: %w", err)
}
defer client.Close()
// path = "../testdata/Google_Gnome.wav"
data, err := ioutil.ReadFile(path)
if err != nil {
return fmt.Errorf("ReadFile: %w", err)
}
req := &speechpb.RecognizeRequest{
Config: &speechpb.RecognitionConfig{
Encoding: speechpb.RecognitionConfig_LINEAR16,
SampleRateHertz: 16000,
LanguageCode: "en-US",
Model: "video",
},
Audio: &speechpb.RecognitionAudio{
AudioSource: &speechpb.RecognitionAudio_Content{Content: data},
},
}
resp, err := client.Recognize(ctx, req)
if err != nil {
return fmt.Errorf("Recognize: %w", err)
}
for i, result := range resp.Results {
fmt.Fprintf(w, "%s\n", strings.Repeat("-", 20))
fmt.Fprintf(w, "Result %d\n", i+1)
for j, alternative := range result.Alternatives {
fmt.Fprintf(w, "Alternative %d: %s\n", j+1, alternative.Transcript)
}
}
return nil
}
// [END speech_transcribe_model_selection]