dpo_reader.audio

Audio output utilities.

Functions

concatenate_with_crossfade(audio_parts[, ...])	Concatenate audio parts with crossfade transitions.
format_duration(seconds)	Format duration as HH:MM:SS.
get_duration(audio[, sample_rate])	Get audio duration in seconds.
load_wav(path)	Load WAV file.
save_wav(audio, path[, sample_rate])	Save audio array to WAV file.

dpo_reader.audio.save_wav(audio, path, sample_rate=24000)

Save audio array to WAV file.

Parameters:

• audio (ndarray) – Audio data as float32 numpy array

• path (Path) – Output file path

• sample_rate (int) – Sample rate in Hz

Return type:

None

dpo_reader.audio.load_wav(path)

Load WAV file.

Returns:

Tuple of (sample_rate, audio_data)

Parameters:

path (Path)

Return type:

tuple[int, ndarray]

dpo_reader.audio.concatenate_with_crossfade(audio_parts, crossfade_duration=0.1, sample_rate=24000)

Concatenate audio parts with crossfade transitions.

Parameters:

• audio_parts (list[ndarray]) – List of audio arrays

• crossfade_duration (float) – Crossfade duration in seconds

• sample_rate (int) – Sample rate in Hz

Returns:

Concatenated audio array

Return type:

ndarray

dpo_reader.audio.get_duration(audio, sample_rate=24000)

Get audio duration in seconds.

Parameters:

• audio (ndarray)

• sample_rate (int)

Return type:

float

dpo_reader.audio.format_duration(seconds)

Format duration as HH:MM:SS.

Parameters:

seconds (float)

Return type:

str