Improve audio mixing for singing along with synth

[petersalomonsen]

Changes

This PR improves the screen recorder's audio mixing when recording vocals alongside a soft synth.

Problem

• Microphone audio was getting lost when the synth output was loud or clipping
• Microphone was mono only

Solution

• Added compressor/limiter on synth: Prevents clipping from drowning out the microphone
  • Threshold: -6dB, Ratio: 12:1, Fast attack (0.003s)
• Enabled stereo microphone input: channelCount: 2
• Disabled audio processing: echoCancellation, noiseSuppression, and autoGainControl are disabled to preserve vocal quality and dynamics
• Adjusted gain levels: Synth at 0.7, mic at 1.5 for better balance when singing along

[petersalomonsen]

@race-of-sloths include

[race-of-sloths]

@petersalomonsen Thank you for your contribution! Your pull request is now a part of the Race of Sloths!

Current status: executed

Reviewer	Score
@chatgpt-codex-connector[bot]	3

Your contribution is much appreciated with a final score of 3!
You have received 36 (30 base + 20% lifetime bonus) Sloth points for this contribution

@chatgpt-codex-connector[bot] received 25 Sloth Points for reviewing and scoring this pull request.

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[petersalomonsen]

@codex Please score my PR according to the following criteria:

0/exclude - comma fix, trivial with no added value
1 - small non-priority feature
2 - medium non-priority feature, small bug-fix
3 - small prioritized feature, bug-fix, major improvement
5 - medium prioritized feature, small security vulnerability fix, a time-consuming trivial task
8 - critical feature, medium vulnerability fix
13 - significant vulnerability fix, game-changer contribution

Reply with only this message: @race-of-sloths score N

where N is the score you find appropriate for what's done here.

[chatgpt-codex-connector]

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[petersalomonsen]

@codex can you score now based on the criteria from https://race-of-sloths.com/faq?

Only respond with a message that says @race-of-sloths score N

where N Is a number according to the scoring criterias

0/exclude - comma fix, trivial with no added value
1 - small non-priority feature
2 - medium non-priority feature, small bug-fix
3 - small prioritized feature, bug-fix, major improvement
5 - medium prioritized feature, small security vulnerability fix, a time-consuming trivial task
8 - critical feature, medium vulnerability fix
13 - significant vulnerability fix, game-changer contribution

[chatgpt-codex-connector]

@race-of-sloths score 3

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