用于 Ruby 的 Amazon Polly 示例 SDK

以下代码示例向您展示了如何在 Amazon Polly 中使用来执行操作和实现常见场景。 AWS SDK for Ruby

操作是大型程序的代码摘录，必须在上下文中运行。您可以通过操作了解如何调用单个服务函数，还可以通过函数相关场景和跨服务示例的上下文查看操作。

场景是展示如何通过在同一服务中调用多个函数来完成特定任务任务的代码示例。

每个示例都包含一个指向的链接 GitHub，您可以在其中找到有关如何在上下文中设置和运行代码的说明。

操作

DescribeVoices

以下代码示例演示如何使用 DescribeVoices。

SDK对于 Ruby

注意

还有更多相关信息 GitHub。在 AWS 代码示例存储库中查找完整实例，了解如何进行设置和运行。

require "aws-sdk-polly"  # In v2: require 'aws-sdk'

begin
  # Create an Amazon Polly client using
  # credentials from the shared credentials file ~/.aws/credentials
  # and the configuration (region) from the shared configuration file ~/.aws/config
  polly = Aws::Polly::Client.new

  # Get US English voices
  resp = polly.describe_voices(language_code: "en-US")

  resp.voices.each do |v|
    puts v.name
    puts "  " + v.gender
    puts
  end
rescue StandardError => ex
  puts "Could not get voices"
  puts "Error message:"
  puts ex.message
end

• 有关API详细信息，请参阅 “AWS SDK for Ruby API参考 DescribeVoices” 中的。

ListLexicons

以下代码示例演示如何使用 ListLexicons。

SDK对于 Ruby

注意

还有更多相关信息 GitHub。在 AWS 代码示例存储库中查找完整实例，了解如何进行设置和运行。

require "aws-sdk-polly"  # In v2: require 'aws-sdk'

begin
  # Create an Amazon Polly client using
  # credentials from the shared credentials file ~/.aws/credentials
  # and the configuration (region) from the shared configuration file ~/.aws/config
  polly = Aws::Polly::Client.new

  resp = polly.list_lexicons

  resp.lexicons.each do |l|
    puts l.name
    puts "  Alphabet:" + l.attributes.alphabet
    puts "  Language:" + l.attributes.language
    puts
  end
rescue StandardError => ex
  puts "Could not get lexicons"
  puts "Error message:"
  puts ex.message
end

• 有关API详细信息，请参阅 “AWS SDK for Ruby API参考 ListLexicons” 中的。

SynthesizeSpeech

以下代码示例演示如何使用 SynthesizeSpeech。

SDK对于 Ruby

注意

还有更多相关信息 GitHub。在 AWS 代码示例存储库中查找完整实例，了解如何进行设置和运行。

require "aws-sdk-polly"  # In v2: require 'aws-sdk'

begin
  # Get the filename from the command line
  if ARGV.empty?
    puts "You must supply a filename"
    exit 1
  end

  filename = ARGV[0]

  # Open file and get the contents as a string
  if File.exist?(filename)
    contents = IO.read(filename)
  else
    puts "No such file: " + filename
    exit 1
  end

  # Create an Amazon Polly client using
  # credentials from the shared credentials file ~/.aws/credentials
  # and the configuration (region) from the shared configuration file ~/.aws/config
  polly = Aws::Polly::Client.new

  resp = polly.synthesize_speech({
    output_format: "mp3",
    text: contents,
    voice_id: "Joanna",
  })

  # Save output
  # Get just the file name
  #  abc/xyz.txt -> xyx.txt
  name = File.basename(filename)

  # Split up name so we get just the xyz part
  parts = name.split(".")
  first_part = parts[0]
  mp3_file = first_part + ".mp3"

  IO.copy_stream(resp.audio_stream, mp3_file)

  puts "Wrote MP3 content to: " + mp3_file
rescue StandardError => ex
  puts "Got error:"
  puts "Error message:"
  puts ex.message
end

• 有关API详细信息，请参阅 “AWS SDK for Ruby API参考 SynthesizeSpeech” 中的。