wavesurfer

Name	wavesurfer JSON
Version	0.1.8 JSON
	download
home_page	https://github.com/pengzhendong/wavesurfer
Summary	wavesurfer
upload_time	2025-01-21 03:44:53
maintainer	None
docs_url	None
author	Zhendong Peng
requires_python	None
license	None
keywords
VCS
bugtrack_url
requirements	jinja2 lhotse numpy
Travis-CI	No Travis.
coveralls test coverage	No coveralls.

            # wavesurfer

## Usage

``` bash
$ pip install wavesurfer
```

- display wave file

``` python
from wavesurfer import display

display("data/test_16k.wav")
```

- display waveform

``` python
import torchaudio
from wavesurfer import display

waveform, rate = torchaudio.load("data/test_16k.wav")
display(waveform, rate, enable_minimap=True, enable_spectrogram=True)
```

![](images/test_16k.png)

- display streaming waveform

``` python
import time
import torchaudio
from wavesurfer import display

def audio_generator():
    waveform, rate = torchaudio.load("data/test_16k.wav")
    chunk_size_s = 0.3
    chunk_size = int(chunk_size_s * rate)
    for i in range(0, waveform.size(1), chunk_size):
        time.sleep(0.1)  # RTF: 0.1/0.3 < 1
        yield waveform[:, i:i + chunk_size]

display(audio_generator(), rate=16000)
```

            

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