Skip to main content

TrimAudioOptions

@siteed/expo-audio-studio

@siteed/expo-audio-studio / TrimAudioOptions

Interface: TrimAudioOptions

Defined in: src/ExpoAudioStream.types.ts:601

Options for configuring the audio trimming operation.

Properties​

decodingOptions?​

optional decodingOptions: DecodingConfig

Defined in: src/ExpoAudioStream.types.ts:681

Options for decoding the input audio file.

  • See DecodingConfig for details.

endTimeMs?​

optional endTimeMs: number

Defined in: src/ExpoAudioStream.types.ts:633

The end time in milliseconds for the 'single' mode.

  • If not provided, trimming extends to the end of the audio.

fileUri​

fileUri: string

Defined in: src/ExpoAudioStream.types.ts:605

The URI of the audio file to trim.

mode?​

optional mode: "single" | "keep" | "remove"

Defined in: src/ExpoAudioStream.types.ts:614

The mode of trimming to apply.

  • 'single': Trims the audio to a single range defined by startTimeMs and endTimeMs.
  • 'keep': Keeps the specified ranges and removes all other portions of the audio.
  • 'remove': Removes the specified ranges and keeps the remaining portions of the audio.

Default​

'single'

outputFileName?​

optional outputFileName: string

Defined in: src/ExpoAudioStream.types.ts:638

The name of the output file. If not provided, a default name will be generated.

outputFormat?​

optional outputFormat: object

Defined in: src/ExpoAudioStream.types.ts:643

Configuration for the output audio format.

bitDepth?​

optional bitDepth: number

The bit depth of the output audio, applicable to PCM formats like 'wav'.

  • If not provided, the input audio's bit depth is used.

bitrate?​

optional bitrate: number

The bitrate of the output audio in bits per second, applicable to compressed formats like 'aac'.

  • If not provided, a default bitrate is used based on the format.

channels?​

optional channels: number

The number of channels in the output audio (e.g., 1 for mono, 2 for stereo).

  • If not provided, the input audio's channel count is used.

format​

format: "aac" | "opus" | "wav"

The format of the output audio file.

  • 'wav': Waveform Audio File Format (uncompressed).
  • 'aac': Advanced Audio Coding (compressed). Not supported on web platforms.
  • 'opus': Opus Interactive Audio Codec (compressed).

sampleRate?​

optional sampleRate: number

The sample rate of the output audio in Hertz (Hz).

  • If not provided, the input audio's sample rate is used.

ranges?​

optional ranges: TimeRange[]

Defined in: src/ExpoAudioStream.types.ts:621

An array of time ranges to keep or remove, depending on the mode.

  • Required for 'keep' and 'remove' modes.
  • Ignored when mode is 'single'.

startTimeMs?​

optional startTimeMs: number

Defined in: src/ExpoAudioStream.types.ts:627

The start time in milliseconds for the 'single' mode.

  • If not provided, trimming starts from the beginning of the audio (0 ms).