͑iSSKJr SSKrSSKJrJr SSKrSSKrSSK J r \(a SSK J r SSKJ r SrS S jrS SS jjrSSS jjrg)) annotationsN) TYPE_CHECKINGBinaryIO) AudioInfo)Path)TensorcSnSUS3nU$)N paddleaudiozxonly PCM16 WAV supported. if want support more other audio types, please manually installed (usually with `pip install zQ`). and use paddle.audio.backends.set_backend('soundfile') to set audio backend)packagewarn_msgs b/var/www/html/banglarbhumi/venv/lib/python3.13/site-packages/paddle/audio/backends/wave_backend.py_error_messager s*G 99@ BV V Oc[US5(aUnO [US5n[R"U5nUR5nUR5nUR5nUR5S-nSnUR 5 [XVXGU5$![Ra7 UR S5 UR 5 [ 5n[U5ef=f)aGet signal information of input audio file. Args: filepath: audio path or file object. Returns: AudioInfo: info of the given audio. Example: .. code-block:: python >>> import os >>> import paddle >>> sample_rate = 16000 >>> wav_duration = 0.5 >>> num_channels = 1 >>> num_frames = sample_rate * wav_duration >>> wav_data = paddle.linspace(-1.0, 1.0, int(num_frames)) * 0.1 >>> waveform = wav_data.tile([num_channels, 1]) >>> base_dir = os.getcwd() >>> filepath = os.path.join(base_dir, "test.wav") >>> paddle.audio.save(filepath, waveform, sample_rate) >>> wav_info = paddle.audio.info(filepath) readrbrPCM_S) hasattropenwaveErrorseekcloserNotImplementedError getnchannels getframerate getnframes getsampwidthr) filepathfile_objfile_err_msgchannels sample_rate sample_framesbits_per_sampleencodings rinfor++s8x  $'+ (#!!#H$$&K$$&M((*Q.OH NN Hx  ::+ a "!'** +s BA C%c[US5(aUnO [US5n[R"U5nUR5nUR5n UR5n URU 5n UR 5 [R"U [RS9n U R[R 5n U(aU S- nOU n[R""XU45nUS:wa XX-2SS24n[$R&"U5nU(a[$R("USS/S 9nX4$![Ra7 UR S5 UR 5 [ 5n[U5ef=f) aDLoad audio data from file. load the audio content start form frame_offset, and get num_frames. Args: frame_offset: from 0 to total frames, num_frames: from -1 (means total frames) or number frames which want to read, normalize: if True: return audio which norm to (-1, 1), dtype=float32 if False: return audio with raw data, dtype=int16 channels_first: if True: return audio with shape (channels, time) Return: Tuple[paddle.Tensor, int]: (audio_content, sample rate) Examples: .. code-block:: python >>> import os >>> import paddle >>> sample_rate = 16000 >>> wav_duration = 0.5 >>> num_channels = 1 >>> num_frames = sample_rate * wav_duration >>> wav_data = paddle.linspace(-1.0, 1.0, int(num_frames)) * 0.1 >>> waveform = wav_data.tile([num_channels, 1]) >>> base_dir = os.getcwd() >>> filepath = os.path.join(base_dir, "test.wav") >>> paddle.audio.save(filepath, waveform, sample_rate) >>> wav_data_read, sr = paddle.audio.load(filepath) rrr)dtypeNr)perm)rrrrrrrrrrr readframesnp frombufferint16astypefloat32reshapepaddle to_tensor transpose)r" frame_offset num_frames normalizechannels_firstr#r$r%r&r'frames audio_content audio_as_np16 audio_as_np32 audio_normwaveforms rloadrE_sZPx  $'+ (#!!#H$$&K    F$$V,M NNMM-rxx@M!((4M"e, # zz*x&89HR<+DDaGH)H##HAq6:   ; ::+ a "!'** +s D;;A FcRURS:XdS5eUR5nU(a[R"U5nURSnUS;a [ S5e[ US- 5nUR[R:XaUS-RS5n[R"US 5n U RU5 U RU5 U RU5 U R!UR#55 S S S 5 g !,(df  g =f) a Save audio tensor to file. Args: filepath: saved path src: the audio tensor sample_rate: the number of samples of audio per second. channels_first: src channel information if True, means input tensor is (channels, time) if False, means input tensor is (time, channels) encoding: audio encoding format, wave_backend only support PCM16 now. bits_per_sample: bits per sample, wave_backend only support 16 bits now. Returns: None Examples: .. code-block:: python >>> import paddle >>> sample_rate = 16000 >>> wav_duration = 0.5 >>> num_channels = 1 >>> num_frames = sample_rate * wav_duration >>> wav_data = paddle.linspace(-1.0, 1.0, int(num_frames)) * 0.1 >>> waveform = wav_data.tile([num_channels, 1]) >>> filepath = "./test.wav" >>> paddle.audio.save(filepath, waveform, sample_rate) zExpected 2D tensorr)Nz,Invalid bits_per_sample, only support 16 bitrr.zr*r) audio_numpyr& sample_widthfs rsaverXsN 88q=...=))+Kll;/   #Hj(GHH*+L yyFNN""e,44T: 8S !Q x  |$ {# k))+, " ! !s rZrYztuple[Tensor, int])TNrH)r"strrTr r'rNr>rZr*z str | Noner)z int | NonerYNone) __future__rrtypingrrrKr2r8backendrpathlibrr rr+rErXr rrras# * 1l L!L!L!L! L!  L!  L!f "$ >->- >->- >-  >-  >- >-r