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samples: Use only first alternative. Comments for clarity (#837)
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@jerjou @chingor13
jerjou authored and chingor13 committed Aug 15, 2020
1 parent 30bb89c commit 1b6f864
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Showing 2 changed files with 50 additions and 47 deletions.
8 changes: 4 additions & 4 deletions speech/snippets/src/main/java/com/example/speech/QuickstartSample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -60,10 +60,10 @@ public static void main(String... args) throws Exception {
List<SpeechRecognitionResult> results = response.getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
speech.close();
}
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89 changes: 46 additions & 43 deletions speech/snippets/src/main/java/com/example/speech/Recognize.java
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Original file line number Diff line number Diff line change
Expand Up @@ -111,10 +111,10 @@ public static void syncRecognizeFile(String fileName) throws Exception, IOExcept
List<SpeechRecognitionResult> results = response.getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
speech.close();
}
Expand Down Expand Up @@ -147,17 +147,17 @@ public static void syncRecognizeWords(String fileName) throws Exception, IOExcep
List<SpeechRecognitionResult> results = response.getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s%n", alternative.getTranscript());
for (WordInfo wordInfo: alternative.getWordsList()) {
System.out.println(wordInfo.getWord());
System.out.printf("\t%s.%s sec - %s.%s sec\n",
wordInfo.getStartTime().getSeconds(),
wordInfo.getStartTime().getNanos() / 100000000,
wordInfo.getEndTime().getSeconds(),
wordInfo.getEndTime().getNanos() / 100000000);
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s%n", alternative.getTranscript());
for (WordInfo wordInfo: alternative.getWordsList()) {
System.out.println(wordInfo.getWord());
System.out.printf("\t%s.%s sec - %s.%s sec\n",
wordInfo.getStartTime().getSeconds(),
wordInfo.getStartTime().getNanos() / 100000000,
wordInfo.getEndTime().getSeconds(),
wordInfo.getEndTime().getNanos() / 100000000);
}
}
speech.close();
Expand Down Expand Up @@ -188,10 +188,10 @@ public static void syncRecognizeGcs(String gcsUri) throws Exception, IOException
List<SpeechRecognitionResult> results = response.getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
speech.close();
}
Expand Down Expand Up @@ -234,10 +234,10 @@ public static void asyncRecognizeFile(String fileName) throws Exception, IOExcep
List<SpeechRecognitionResult> results = response.get().getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s%n", alternative.getTranscript());
}
speech.close();
}
Expand Down Expand Up @@ -275,17 +275,17 @@ public static void asyncRecognizeWords(String gcsUri) throws Exception, IOExcept
List<SpeechRecognitionResult> results = response.get().getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s\n",alternative.getTranscript());
for (WordInfo wordInfo: alternative.getWordsList()) {
System.out.println(wordInfo.getWord());
System.out.printf("\t%s.%s sec - %s.%s sec\n",
wordInfo.getStartTime().getSeconds(),
wordInfo.getStartTime().getNanos() / 100000000,
wordInfo.getEndTime().getSeconds(),
wordInfo.getEndTime().getNanos() / 100000000);
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s\n",alternative.getTranscript());
for (WordInfo wordInfo: alternative.getWordsList()) {
System.out.println(wordInfo.getWord());
System.out.printf("\t%s.%s sec - %s.%s sec\n",
wordInfo.getStartTime().getSeconds(),
wordInfo.getStartTime().getNanos() / 100000000,
wordInfo.getEndTime().getSeconds(),
wordInfo.getEndTime().getNanos() / 100000000);
}
}
speech.close();
Expand Down Expand Up @@ -323,10 +323,10 @@ public static void asyncRecognizeGcs(String gcsUri) throws Exception, IOExceptio
List<SpeechRecognitionResult> results = response.get().getResultsList();

for (SpeechRecognitionResult result: results) {
List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
for (SpeechRecognitionAlternative alternative: alternatives) {
System.out.printf("Transcription: %s\n",alternative.getTranscript());
}
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.printf("Transcription: %s\n",alternative.getTranscript());
}
speech.close();
}
Expand Down Expand Up @@ -404,11 +404,14 @@ public SettableFuture<List<T>> future() {
List<StreamingRecognizeResponse> responses = responseObserver.future().get();

for (StreamingRecognizeResponse response: responses) {
for (StreamingRecognitionResult result: response.getResultsList()) {
for (SpeechRecognitionAlternative alternative : result.getAlternativesList()) {
System.out.println(alternative.getTranscript());
}
}
// For streaming recognize, the results list has one is_final result (if available) followed
// by a number of in-progress results (if iterim_results is true) for subsequent utterances.
// Just print the first result here.
StreamingRecognitionResult result = response.getResultsList().get(0);
// There can be several alternative transcripts for a given chunk of speech. Just use the
// first (most likely) one here.
SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
System.out.println(alternative.getTranscript());
}
speech.close();
}
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