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Audible "pop" at the start of Frame microphone audio data #280

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CitizenOneX opened this issue Oct 11, 2024 · 1 comment
Open

Audible "pop" at the start of Frame microphone audio data #280

CitizenOneX opened this issue Oct 11, 2024 · 1 comment

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@CitizenOneX
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CitizenOneX commented Oct 11, 2024

Frame firmware: v24.276.1359

First mentioned by halfprice06 in Discord:
https://discord.com/channels/963222352534048818/1242455966713253979/1293032517997432894

I reproduced the same on when I get audio data from the Frame mic: https://github.com/CitizenOneX/frame_audio_clip
In this app, recording is initiated by a button press on the phone, so the obvious idea that this could be due to tapping the side of Frame is not applicable.

Not sure where it's coming from, but only seems to be present in the first ~1500 samples (in my case, 16-bit samples at 8kHz), so if I trim the first 3000 bytes before playing the audio, the pop goes away.

@siliconwitch siliconwitch moved this to Todo in Frame Oct 17, 2024
@OkGoDoIt
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OkGoDoIt commented Jan 7, 2025

I also ran into this when I was working on the initial prototypes of the developer SDKs, but I assumed I was doing something wrong with the wav audio processing since that’s not something I’m super familiar with. I got around it by just discarding the initial data as you suggested.

@siliconwitch siliconwitch moved this from Todo to Backlog / Future / Reference in Frame Jan 31, 2025
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