forked from GoogleCloudPlatform/golang-samples
/
main.go
63 lines (52 loc) · 1.54 KB
/
main.go
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// Copyright 2017 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// [START speech_quickstart]
// Sample speech-quickstart uses the Google Cloud Speech API to transcribe
// audio.
package main
import (
"fmt"
"io/ioutil"
"log"
// Imports the Google Cloud Speech API client package.
"golang.org/x/net/context"
speech "cloud.google.com/go/speech/apiv1"
speechpb "google.golang.org/genproto/googleapis/cloud/speech/v1"
)
func main() {
ctx := context.Background()
// Creates a client.
client, err := speech.NewClient(ctx)
if err != nil {
log.Fatalf("Failed to create client: %v", err)
}
// Sets the name of the audio file to transcribe.
filename := "/path/to/audio.raw"
// Reads the audio file into memory.
data, err := ioutil.ReadFile(filename)
if err != nil {
log.Fatalf("Failed to read file: %v", err)
}
// Detects speech in the audio file.
resp, err := client.Recognize(ctx, &speechpb.RecognizeRequest{
Config: &speechpb.RecognitionConfig{
Encoding: speechpb.RecognitionConfig_LINEAR16,
SampleRateHertz: 16000,
LanguageCode: "en-US",
},
Audio: &speechpb.RecognitionAudio{
AudioSource: &speechpb.RecognitionAudio_Content{Content: data},
},
})
if err != nil {
log.Fatalf("failed to recognize: %v", err)
}
// Prints the results.
for _, result := range resp.Results {
for _, alt := range result.Alternatives {
fmt.Printf("\"%v\" (confidence=%3f)\n", alt.Transcript, alt.Confidence)
}
}
}
// [END speech_quickstart]