Create a multichannel audio with Pydub

Question

I'm trying to create an multichannel audio file with Pydub but I received an error. I know that each channels should be the exact same length, but also the frame count. I don't know how to verify if they are at the same frame count but they are at the same size.

    from pydub import AudioSegment
from pydub.playback import play
from playsound import playsound

left_channel = AudioSegment.from_wav("scripts_OUN\Single Cricket Chirping Effect.wav")
right_channel = AudioSegment.from_wav("scripts_OUN\d.wav")
left_channel_v2 = left_channel + AudioSegment.silent(duration=152009)
left = left_channel_v2.set_channels(1)
right = right_channel.set_channels(1)
print(len(left_channel_v2))
print(len(right_channel))
print(len(left_channel_v2)==len(right_channel))
print(left_channel.set_frame_rate
)
mutli_channel = AudioSegment.from_mono_audiosegments(left,right)
mutli_channel.export("v3.wav", format="wav")

My errors messages :

and :

ValueError: attempt to assign array of size 12324755 to extended slice of size 12324781

score 0 · Answer 1 · answered Feb 11 '23 at 00:06

0

<bound method AudioSegment.set_frame_rate of <pydub.audio_segment.AudioSegment object at 0x000002ACB8076A40>> is not an error, it is reference to a method you are printing.

For ValueError: attempt to assign array of size 12324755 to extended slice of size 12324781, this error depicts you using different slice sizes of audio for your left and right channel, hence the pydub library is not able to merge it together as multichannel audio. Use same size audio or extend the smaller audio by repeating the sound to make it equal to the size of bigger audio.

answered Feb 11 '23 at 00:06

Pranav Sharma

34
2

I used len() and it's said that they have the same size – Kerby Elpenord Feb 11 '23 at 00:08
Given by what you are printing, it looks that you might be calling the object, comparing the objects for length can give you same size. – Pranav Sharma Feb 11 '23 at 00:13
Try using the same audio file on left and right channel for debug. See if it works. – Pranav Sharma Feb 11 '23 at 00:14
It work when i use the same audio, but what should I do to have the exact same size? – Kerby Elpenord Feb 11 '23 at 00:51

Create a multichannel audio with Pydub

1 Answers1