oficina / meet Public

Meter the capture hook before the suppressor too

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Paul Campbell pushed by claude 3 weeks ago b2295f8f5ffbad2d5a41fc091b412b66cc514a6c parent 62f0d63

1 file changed, +8 −0

diff --git a/native/apple/Sources/CallsKit/NoiseSuppression.swift b/native/apple/Sources/CallsKit/NoiseSuppression.swift

index ce0168e..b8fb4d6 100644

--- a/native/apple/Sources/CallsKit/NoiseSuppression.swift

+++ b/native/apple/Sources/CallsKit/NoiseSuppression.swift

@@ -290,10 +290,18 @@ public final class CaptureDenoiser: NSObject, RTCAudioCustomProcessingDelegate,

lock.withLock { $0.buffers += 1 }

guard audioBuffer.channels >= 1 else { return }

let samples = audioBuffer.rawBuffer(forChannel: 0)

+ inputLevel.record(samples, frames: audioBuffer.frames, at: clock())

if audioBuffer.channels == 1 { process(samples, frames: audioBuffer.frames) }

observe(samples, frames: audioBuffer.frames)

}

+ /// The same buffers measured on the way *in*, before the suppressor:

+ /// what the microphone delivers after WebRTC's echo canceller and

+ /// high-pass filter. "Is the microphone picking anything up" is asked

+ /// of this one, because a quiet room the suppressor has taken down by

+ /// 30 dB can look dead afterwards and is not.

+ public let inputLevel = CaptureLevel()

/// What leaves the hook, measured: the level of every buffer after the

/// suppressor and gain have had it (or passed it through), which is the

/// audio that is encoded and sent. Read by the microphone meter.