Background noise
Most background noise is the room reaching an open mic. Fix the room and the mic distance first, then let the app's suppression clean up the rest.
- Room · source off
- Mic · closer mic
- System · input volume
§ Apps · Telegram
Telegram
Messaging with voice and video calls and group voice chats.
- Platforms
- Windows · macOS · Linux · iOS · Android
- Suppression
- Noise suppression
- Echo cancel
- No setting listed
- Noise gate
- No setting listed
- Push-to-talk
- Yes
- Last verified
- 2026-10-18
§ 01 — Setting
Where the setting is
| Platform | Path |
|---|---|
| Windows | In a group voice chat: its settings → noise suppression toggle (Telegram gives no fuller path) |
| macOS | In a group voice chat: its settings → noise suppression toggle (Telegram gives no fuller path) |
| Linux | In a group voice chat: its settings → noise suppression toggle (Telegram gives no fuller path) |
| iOS | In a group voice chat: its settings → noise suppression toggle (Telegram gives no fuller path) |
| Android | In a group voice chat: its settings → noise suppression toggle (Telegram gives no fuller path) |
Telegram improved noise suppression in group voice chats in June 2021 and added a toggle in settings to turn it off, for when you want background sound to come through. Its help pages say nothing about noise suppression in one-to-one calls.
§ 02 — Layers
The three layers
Noise can be fixed at three points before it leaves you. Start at the top: a fix at the device beats any amount of software.
| Layer | What it does | What to set |
|---|---|---|
| L1 · Device | The mic and where it sits. Distance to your mouth sets how loud your voice is against the room. | Pick the right mic in the app. A headset or a mic close to your mouth beats a laptop mic across the desk. |
| L2 · System | Your operating system passes the mic to the app at the input volume you set, sometimes with its own processing. | In your system sound settings, choose the same input device and set its volume so speech stays in the green on the noise test. |
| L3 · App | Telegram cleans the signal before it sends it: Noise suppression. | In a group voice chat: its settings → noise suppression toggle (Telegram gives no fuller path) |
Echo cancellation. Telegram's help pages list no echo setting.
Noise gate. Telegram lists no gate.
§ 03 — Limits
What it cannot fix
- Telegram documents noise suppression for group voice chats only; it says nothing about one-to-one calls.
- Telegram does not publish the full menu path for the toggle.
- Push to talk with a key you choose is on Telegram Desktop and the macOS app, for voice chats. On Android you get a floating mic widget instead.
§ 04 — Symptoms
Fixes for what you hear
Echo
Echo is almost always someone's speakers playing the call into their own mic, and the person causing it usually cannot hear it.
- Room · headphones
- Room · one device per room
- Room · TV down
Phone call background noise
Phones have their own voice filters for calls. Turn them on, keep the bottom mic near your mouth, and avoid speakerphone in noise.
- Room · quieter spot
- Mic · bottom mic
- Mic · off speaker
Bluetooth mic sounds bad
Classic Bluetooth drops to a narrow, mono call mode whenever its mic is on. A separate mic, or LE Audio, avoids the switch.
- Mic · separate mic
- Mic · one device
- Mic · AirPods mic
Mic too quiet
A quiet mic is usually distance, the wrong input device or a low input volume in the system, not a broken mic.
- Mic · closer
- Mic · right input
- System · input volume
Voice cutting out
Clipped first words almost always mean a voice activation threshold set too high. Dropouts mid-sentence point to the connection or Bluetooth.
- Mic · closer
- Mic · USB headset
- App · threshold
Robotic voice
A robotic voice is usually late or lost packets on the network, or a headset sending audio at a rate the app does not expect.
- Mic · USB headset
- System · separate devices
- System · close apps
One-sided audio
One-sided audio is almost always a mute, a blocked mic permission or the wrong device, in that order. Firewalls come last.
- Mic · unmute
- Mic · one device
- System · mic permission
Others hear themselves
If others hear themselves when you unmute, the echo is on your side: your speakers, a second device or your sound driver sends their voices back.
- Room · headphones
- Room · one device
- Room · one audio source
Delay and lag
Most call delay comes from the network: a distant server, busy Wi-Fi or a VPN. Some apps add a little delay of their own.
- App · push to talk
- App · video off
- Network · VPN off
§ 05 — Test
Test it
The noise test rates your mic fine for Telegram when your noise floor is at or below −50 dBFS and your voice is at least 20 dB above it. Between −50 and −40 dBFS it is usable with suppression on; above that, the noise needs fixing at the room or the mic.
These bars are our rule of thumb for how much steady noise Telegram's built-in suppression copes with, not figures from Telegram. The methodology explains them.
Test my mic for Telegram → § 06 — Questions
Telegram questions
Q.01Does Telegram have noise suppression?
Yes, in group voice chats. Telegram improved it in June 2021 and added a toggle in settings to turn it off when you want background sound to come through.
Q.02Can I use push to talk in Telegram?
Yes, in voice chats on Telegram Desktop and the macOS app. You pick a push-to-talk key, and it controls your mic even when Telegram is not the window in front.
Q.03Does Telegram remove background noise in one-to-one calls?
Telegram's help pages and announcements describe noise suppression only for group voice chats. They do not say whether one-to-one calls filter noise.
§ Sources
Checked against
Telegram's own help pages and announcements, last checked :
- telegram.org · Group Video Calls
- telegram.org · Voice Chats Done Right
- telegram.org · Telegram Applications