16.1. WAV file reading and writing

Module audio_wav

16.1.1. WAV I/O

• read_wav (fname: string; var samples: array<float>; var sample_rate: int&; var channels: int&) : bool

• write_wav (fname: string; samples: array<float>; sample_rate: uint = 0xac44; channels: int = 2)

read_wav(fname: string; samples: array<float>; sample_rate: int&; channels: int&): bool

Read a WAV file into float samples. Returns true on success. Sets sample_rate and channels.

Arguments:

• fname : string

• samples : array<float>

• sample_rate : int&

• channels : int&

write_wav(fname: string; samples: array<float>; sample_rate: uint = 0xac44; channels: int = 2)

Write float samples as a 16-bit PCM WAV file.

Arguments:

• fname : string

• samples : array<float>

• sample_rate : uint

• channels : int