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# `winsound` — Interface de reprodução de som para Windows

O módulo `winsound` fornece acesso ao mecanismo básico de reprodução de som fornecido pelas plataformas Windows. Inclui funções e várias constantes.

`winsound.``Beep`(frequency, duration)

  Emite um bipe no alto-falante do PC. O parâmetro frequency especifica a frequência, em hertz, do som e deve estar no intervalo de 37 a 32.767. O parâmetro duration especifica o número de milissegundos que o som deve durar. Se o sistema não conseguir emitir um bipe no alto-falante, `RuntimeError` é levantado.

`winsound.``PlaySound`(sound, flags)

  Call the underlying `PlaySound()` function from the Platform API. The sound parameter may be a filename, a system sound alias, audio data as a bytes-like object, or `None`. Its interpretation depends on the value of flags, which can be a bitwise ORed combination of the constants described below. If the sound parameter is `None`, any currently playing waveform sound is stopped. If the system indicates an error, `RuntimeError` is raised.

`winsound.``MessageBeep`(type=MB_OK)

  Call the underlying `MessageBeep()` function from the Platform API. This plays a sound as specified in the registry. The type argument specifies which sound to play; possible values are `-1`, `MB_ICONASTERISK`, `MB_ICONEXCLAMATION`, `MB_ICONHAND`, `MB_ICONQUESTION`, and `MB_OK`, all described below. The value `-1` produces a “simple beep”; this is the final fallback if a sound cannot be played otherwise. If the system indicates an error, `RuntimeError` is raised.

`winsound.``SND_FILENAME`

  The sound parameter is the name of a WAV file. Do not use with `SND_ALIAS`.

`winsound.``SND_ALIAS`

  The sound parameter is a sound association name from the registry. If the registry contains no such name, play the system default sound unless `SND_NODEFAULT` is also specified. If no default sound is registered, raise `RuntimeError`. Do not use with `SND_FILENAME`.

  All Win32 systems support at least the following; most systems support many more:

  `PlaySound()` name | Corresponding Control Panel Sound name
  --- | ---
  `'SystemAsterisk'` | Asterisk
  `'SystemExclamation'` | Exclamation
  `'SystemExit'` | Exit Windows
  `'SystemHand'` | Critical Stop
  `'SystemQuestion'` | Question

  Por exemplo:

      import winsound
      # Play Windows exit sound.
      winsound.PlaySound("SystemExit", winsound.SND_ALIAS)

      # Probably play Windows default sound, if any is registered (because
      # "*" probably isn't the registered name of any sound).
      winsound.PlaySound("*", winsound.SND_ALIAS)

`winsound.``SND_LOOP`

  Play the sound repeatedly. The `SND_ASYNC` flag must also be used to avoid blocking. Cannot be used with `SND_MEMORY`.

`winsound.``SND_MEMORY`

  The sound parameter to `PlaySound()` is a memory image of a WAV file, as a bytes-like object.

  Nota

  This module does not support playing from a memory image asynchronously, so a combination of this flag and `SND_ASYNC` will raise `RuntimeError`.

`winsound.``SND_PURGE`

  Stop playing all instances of the specified sound.

  Nota

  This flag is not supported on modern Windows platforms.

`winsound.``SND_ASYNC`

  Return immediately, allowing sounds to play asynchronously.

`winsound.``SND_NODEFAULT`

  If the specified sound cannot be found, do not play the system default sound.

`winsound.``SND_NOSTOP`

  Do not interrupt sounds currently playing.

`winsound.``SND_NOWAIT`

  Return immediately if the sound driver is busy.

  Nota

  This flag is not supported on modern Windows platforms.

`winsound.``MB_ICONASTERISK`

  Play the `SystemDefault` sound.

`winsound.``MB_ICONEXCLAMATION`

  Play the `SystemExclamation` sound.

`winsound.``MB_ICONHAND`

  Play the `SystemHand` sound.

`winsound.``MB_ICONQUESTION`

  Play the `SystemQuestion` sound.

`winsound.``MB_OK`

  Play the `SystemDefault` sound.