THE CALCUTTA FIELDBOOKREADER PREFERENCES

A LITTLE TRANSPARENCY.

Your visit.
Your choices.

Choose whether YouTube players may connect to Google. Vercel’s cookieless page counts run by default, independently of this video preference.

01 The essentials

ALWAYS AVAILABLE

Sign-in cookies for the private Notes studio, and local settings for themes, reading tools and saved work. These support features you request.

Let YouTube players connect to Google when embedded videos appear. You can also load one video at a time without remembering this permission.

Change your mind any time. Keeping videos paused unloads active YouTube players. Read the full privacy note ↗

Recorder ready. Record something. Make it clearer. Keep it.
FIELD UNIT // SG-R1 Local-First • On-Device Only

Recorder

Record something. Make it clearer. Keep it.

Everyday scenario: “I recorded ten minutes of speech beside a running fan. Help me reduce the noise, make my voice easier to hear, trim the beginning and end, and save a small MP4 file.”
○ READY
SPEECH MONO 48000 Hz
00:00:00.0
Captured: 0.0s • Committed: 0 seg (0 KB)
INPUT LEVEL -∞
Recording mode

Requests clean mono capture without stacking aggressive browser auto-gain, then targets fan noise, sub-80 Hz rumble, 50/60 Hz mains hum, sibilance, and uneven voice volume.

Microphone & Channels

Hardware note: Software gain and enhancement cannot repair severe analog clipping that already occurred inside the microphone capsule. Keep peaks below 0 dB.