使用 AWS SDK for .NET 的 Amazon Transcribe 示例

    /// <summary>
    /// Create a custom vocabulary using a list of phrases. Custom vocabularies
    /// improve transcription accuracy for one or more specific words.
    /// </summary>
    /// <param name="languageCode">The language code of the vocabulary.</param>
    /// <param name="phrases">Phrases to use in the vocabulary.</param>
    /// <param name="vocabularyName">Name for the vocabulary.</param>
    /// <returns>The state of the custom vocabulary.</returns>
    public async Task<VocabularyState> CreateCustomVocabulary(LanguageCode languageCode,
        List<string> phrases, string vocabularyName)
    {
        var response = await _amazonTranscribeService.CreateVocabularyAsync(
            new CreateVocabularyRequest
            {
                LanguageCode = languageCode,
                Phrases = phrases,
                VocabularyName = vocabularyName
            });
        return response.VocabularyState;
    }

    /// <summary>
    /// Delete an existing custom vocabulary.
    /// </summary>
    /// <param name="vocabularyName">Name of the vocabulary to delete.</param>
    /// <returns>True if successful.</returns>
    public async Task<bool> DeleteCustomVocabulary(string vocabularyName)
    {
        var response = await _amazonTranscribeService.DeleteVocabularyAsync(
            new DeleteVocabularyRequest
            {
                VocabularyName = vocabularyName
            });
        return response.HttpStatusCode == HttpStatusCode.OK;
    }

    /// <summary>
    /// Delete a medical transcription job. Also deletes the transcript associated with the job.
    /// </summary>
    /// <param name="jobName">Name of the medical transcription job to delete.</param>
    /// <returns>True if successful.</returns>
    public async Task<bool> DeleteMedicalTranscriptionJob(string jobName)
    {
        var response = await _amazonTranscribeService.DeleteMedicalTranscriptionJobAsync(
            new DeleteMedicalTranscriptionJobRequest()
            {
                MedicalTranscriptionJobName = jobName
            });
        return response.HttpStatusCode == HttpStatusCode.OK;
    }

    /// <summary>
    /// Delete a transcription job. Also deletes the transcript associated with the job.
    /// </summary>
    /// <param name="jobName">Name of the transcription job to delete.</param>
    /// <returns>True if successful.</returns>
    public async Task<bool> DeleteTranscriptionJob(string jobName)
    {
        var response = await _amazonTranscribeService.DeleteTranscriptionJobAsync(
            new DeleteTranscriptionJobRequest()
            {
                TranscriptionJobName = jobName
            });
        return response.HttpStatusCode == HttpStatusCode.OK;
    }

    /// <summary>
    /// Get information about a custom vocabulary.
    /// </summary>
    /// <param name="vocabularyName">Name of the vocabulary.</param>
    /// <returns>The state of the custom vocabulary.</returns>
    public async Task<VocabularyState> GetCustomVocabulary(string vocabularyName)
    {
        var response = await _amazonTranscribeService.GetVocabularyAsync(
            new GetVocabularyRequest()
            {
                VocabularyName = vocabularyName
            });
        return response.VocabularyState;
    }

    /// <summary>
    /// Get details about a transcription job.
    /// </summary>
    /// <param name="jobName">A unique name for the transcription job.</param>
    /// <returns>A TranscriptionJob instance with information on the requested job.</returns>
    public async Task<TranscriptionJob> GetTranscriptionJob(string jobName)
    {
        var response = await _amazonTranscribeService.GetTranscriptionJobAsync(
            new GetTranscriptionJobRequest()
            {
                TranscriptionJobName = jobName
            });
        return response.TranscriptionJob;
    }

    /// <summary>
    /// List custom vocabularies for the current account. Optionally specify a name
    /// filter and a specific state to filter the vocabularies list.
    /// </summary>
    /// <param name="nameContains">Optional string the vocabulary name must contain.</param>
    /// <param name="stateEquals">Optional state of the vocabulary.</param>
    /// <returns>List of information about the vocabularies.</returns>
    public async Task<List<VocabularyInfo>> ListCustomVocabularies(string? nameContains = null,
        VocabularyState? stateEquals = null)
    {
        var response = await _amazonTranscribeService.ListVocabulariesAsync(
            new ListVocabulariesRequest()
            {
                NameContains = nameContains,
                StateEquals = stateEquals
            });
        return response.Vocabularies;
    }

    /// <summary>
    /// List medical transcription jobs, optionally with a name filter.
    /// </summary>
    /// <param name="jobNameContains">Optional name filter for the medical transcription jobs.</param>
    /// <returns>A list of summaries about medical transcription jobs.</returns>
    public async Task<List<MedicalTranscriptionJobSummary>> ListMedicalTranscriptionJobs(
        string? jobNameContains = null)
    {
        var response = await _amazonTranscribeService.ListMedicalTranscriptionJobsAsync(
            new ListMedicalTranscriptionJobsRequest()
            {
                JobNameContains = jobNameContains
            });
        return response.MedicalTranscriptionJobSummaries;
    }

    /// <summary>
    /// List transcription jobs, optionally with a name filter.
    /// </summary>
    /// <param name="jobNameContains">Optional name filter for the transcription jobs.</param>
    /// <returns>A list of transcription job summaries.</returns>
    public async Task<List<TranscriptionJobSummary>> ListTranscriptionJobs(string? jobNameContains = null)
    {
        var response = await _amazonTranscribeService.ListTranscriptionJobsAsync(
            new ListTranscriptionJobsRequest()
            {
                JobNameContains = jobNameContains
            });
        return response.TranscriptionJobSummaries;
    }

    /// <summary>
    /// Start a medical transcription job for a media file. This method returns
    /// as soon as the job is started.
    /// </summary>
    /// <param name="jobName">A unique name for the medical transcription job.</param>
    /// <param name="mediaFileUri">The URI of the media file, typically an Amazon S3 location.</param>
    /// <param name="mediaFormat">The format of the media file.</param>
    /// <param name="outputBucketName">Location for the output, typically an Amazon S3 location.</param>
    /// <param name="transcriptionType">Conversation or dictation transcription type.</param>
    /// <returns>A MedicalTransactionJob instance with information on the new job.</returns>
    public async Task<MedicalTranscriptionJob> StartMedicalTranscriptionJob(
        string jobName, string mediaFileUri,
        MediaFormat mediaFormat, string outputBucketName, Amazon.TranscribeService.Type transcriptionType)
    {
        var response = await _amazonTranscribeService.StartMedicalTranscriptionJobAsync(
            new StartMedicalTranscriptionJobRequest()
            {
                MedicalTranscriptionJobName = jobName,
                Media = new Media()
                {
                    MediaFileUri = mediaFileUri
                },
                MediaFormat = mediaFormat,
                LanguageCode =
                    LanguageCode
                        .EnUS, // The value must be en-US for medical transcriptions.
                OutputBucketName = outputBucketName,
                OutputKey =
                    jobName, // The value is a key used to fetch the output of the transcription.
                Specialty = Specialty.PRIMARYCARE, // The value PRIMARYCARE must be set.
                Type = transcriptionType
            });
        return response.MedicalTranscriptionJob;
    }

    /// <summary>
    /// Start a transcription job for a media file. This method returns
    /// as soon as the job is started.
    /// </summary>
    /// <param name="jobName">A unique name for the transcription job.</param>
    /// <param name="mediaFileUri">The URI of the media file, typically an Amazon S3 location.</param>
    /// <param name="mediaFormat">The format of the media file.</param>
    /// <param name="languageCode">The language code of the media file, such as en-US.</param>
    /// <param name="vocabularyName">Optional name of a custom vocabulary.</param>
    /// <returns>A TranscriptionJob instance with information on the new job.</returns>
    public async Task<TranscriptionJob> StartTranscriptionJob(string jobName, string mediaFileUri,
        MediaFormat mediaFormat, LanguageCode languageCode, string? vocabularyName)
    {
        var response = await _amazonTranscribeService.StartTranscriptionJobAsync(
            new StartTranscriptionJobRequest()
            {
                TranscriptionJobName = jobName,
                Media = new Media()
                {
                    MediaFileUri = mediaFileUri
                },
                MediaFormat = mediaFormat,
                LanguageCode = languageCode,
                Settings = vocabularyName != null ? new Settings()
                {
                    VocabularyName = vocabularyName
                } : null
            });
        return response.TranscriptionJob;
    }

    /// <summary>
    /// Update a custom vocabulary with new values. Update overwrites all existing information.
    /// </summary>
    /// <param name="languageCode">The language code of the vocabulary.</param>
    /// <param name="phrases">Phrases to use in the vocabulary.</param>
    /// <param name="vocabularyName">Name for the vocabulary.</param>
    /// <returns>The state of the custom vocabulary.</returns>
    public async Task<VocabularyState> UpdateCustomVocabulary(LanguageCode languageCode,
        List<string> phrases, string vocabularyName)
    {
        var response = await _amazonTranscribeService.UpdateVocabularyAsync(
            new UpdateVocabularyRequest()
            {
                LanguageCode = languageCode,
                Phrases = phrases,
                VocabularyName = vocabularyName
            });
        return response.VocabularyState;
    }