Method process

perro_source/audio_stack/perro_pawdio/src/dsp.rs:298–306

(&mut self, _channel: usize, input: f32, wet: f32)

        self.reverb_b
            .get_or_insert_with(|| DelayLine::new(delay_len(sample_rate, channels, 0.071), 0.54));
    }

    fn apply_low_pass(&mut self, ch: usize, sample: f32, amount: f32) -> f32 {
        if amount <= 0.001 {
            self.low_state[ch] = sample;
            return sample;
        }
        let alpha = (1.0 - amount.clamp(0.0, 0.98)).powi(2).max(0.015);
        self.low_state[ch] += (sample - self.low_state[ch]) * alpha;
        self.low_state[ch]
    }