Struct Builder 

pub struct Builder { /* private fields */ }

Fluent builder for EspeakNg.

Obtain one from EspeakNg::builder().

Implementations

impl Builder

pub fn voice(self, lang: &str) -> Self

Select a language / voice by BCP-47 tag (e.g. "en", "de", "fr").

pub fn rate(self, wpm: u32) -> Self

Speaking rate in words-per-minute (80–450, default 175).

pub fn volume(self, vol: u32) -> Self

Output volume (0–200, default 100).

pub fn pitch(self, pitch: u32) -> Self

Base pitch (0–100, default 50).

pub fn range(self, range: u32) -> Self

Pitch range / intonation depth (0–100, default 50).

pub fn data_dir(self, path: &Path) -> Self

Override the espeak-ng data directory.

Defaults to ESPEAK_DATA_PATH environment variable, then /usr/share/espeak-ng-data.

pub fn build(self) -> Result<EspeakNg>

Build the engine.

Errors

Returns Error::DataPath if the data directory does not exist.

Trait Implementations

impl Debug for Builder

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Builder

fn default() -> Self

Returns the “default value” for a type.