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Voice Assistants

Where to Put a Smart Speaker So It Hears You Clearly

I moved a smart speaker 40 centimetres last spring and it stopped ignoring my partner. Same device, same firmware, same wake word.

A smart speaker on the edge of a kitchen counter at ear height, away from the extractor hood

I moved a smart speaker 40 centimetres last spring and it stopped ignoring my partner. Same device, same firmware, same wake word. It had been sitting tucked into the corner of a bookshelf, and once it came forward to the edge of the shelf, the number of "Sorry, I didn't catch that" replies dropped from several a day to maybe one a week.

That is the quiet truth about where to put a smart speaker: placement matters more than the brand, the model year or how loudly you talk. The microphones are good, but they are not magic, and a few common spots in every home work against them. Here is what I have learned from testing speakers in kitchens, hallways and bedrooms, including the spots that look sensible and are not.

Why Placement Changes How Well a Smart Speaker Hears

Most current speakers use an array of four to seven microphones arranged in a ring. The software compares the tiny timing differences between them to work out which direction your voice came from, then filters out sound from other directions. That only works when your voice reaches them fairly directly.

When a speaker sits in a corner, your voice arrives twice: once directly and again a few milliseconds later off the two walls. The array struggles to separate the copies, so it hears a smeared version of you. A shelf above head height has a similar issue, because the top of the cabinet or the ceiling bounces sound back down onto the microphones.

The fix is rarely a better speaker. It is a spot where your voice reaches the device first and the reflections arrive weaker.

The Best Spots Room by Room

Kitchen

The kitchen is where most people use voice commands, for timers, shopping lists and music. Put the speaker on the counter at least a metre away from the sink, the extractor hood and the kettle. An extractor fan on its high setting produces roughly 60 to 65 decibels of broadband noise, which is about the level of normal speech at a metre. If the speaker sits right under it, your voice and the fan arrive at equal strength and the assistant guesses.

Living room

Aim for a side table or the end of a media unit, not directly beside the TV speakers or soundbar. Ear height when seated, roughly 70 to 110 centimetres off the floor, works best. If you watch a lot of loud films, place the speaker on the opposite side of the room from the TV so the microphones face you rather than the screen.

Bedroom

A nightstand is fine, but keep the speaker in front of any lamp base or stack of books, not behind it. Fabric headboards absorb sound well, so a speaker near the bed often hears better than one on a dresser across the room facing a bare wall.

Spots That Look Fine but Cause Trouble

  • Inside a bookshelf cubby. Three sides of reflecting surface. This was my mistake.
  • On top of a fridge. Too high, often close to the ceiling, and the compressor hum sits right below.
  • Next to a window. Glass reflects sound strongly and lets in traffic noise.
  • On the floor. Your voice travels over the speaker, and rugs absorb the direct sound before it gets there.
  • Beside a radiator or heater. Most manufacturers list a maximum operating temperature around 35 to 40 degrees Celsius. A speaker baked daily ages faster.

The Advice I Disagree With: One Speaker in the Middle of the Home

You will often read that one central speaker can cover an open plan ground floor. In my testing it rarely does. A single speaker in the middle of a 50 square metre open space hears you well from about four metres. Beyond that, especially if you are facing away while cooking, accuracy falls quickly.

The common advice also ignores that people speak toward what they are doing, not toward the speaker. If you are at the stove facing the wall, your voice goes into the wall first. Two cheaper speakers, one in the kitchen zone and one in the seating zone, beat one premium speaker in the middle almost every time.

The exception is a small flat. Under about 30 square metres, one well placed speaker is enough, and adding a second mainly adds confusion about which one should answer.

A Ten Minute Placement Test You Can Run Tonight

  1. Pick three candidate spots in the room.
  2. Put the speaker in the first spot and say the same short command ten times from your usual position, at normal volume. "What time is it" works well because it is short and has a clear answer.
  3. Repeat with the TV or music on at your normal listening level.
  4. Count the misses. Then move to the next spot.
  5. Ask someone else in the house to repeat the test, especially anyone with a quieter or higher voice.

A spot that misses more than two out of ten with background noise is not the right spot. If every spot misses on the same word, the problem is probably pronunciation rather than position, which I covered in why your smart speaker mishears the same word every time.

Placement for Families and Shared Homes

Children speak at a higher pitch and from a lower height. A speaker mounted high on a kitchen wall may work for adults and fail for a seven year old standing at the table. If kids use the assistant for homework questions or music, a counter level spot near where they actually sit pays off.

Voice recognition features also depend on clean audio. If the speaker regularly gets a muddy version of someone's voice, it will mix up who is speaking and pull the wrong calendar or playlist. Getting placement right first makes voice assistant profiles for every family member far more reliable.

HouseholdSpeakersWhere
Studio or small flat1Counter or shelf edge between kitchen and seating
Couple, open plan ground floor2Kitchen counter and living room side table
Family with children2 to 3Kitchen at counter height, living room, one child's room

Wi-Fi and Power Matter Too

A speaker that hears you perfectly still fails if it cannot reach the network fast. Assistants send your audio to a server and wait for the answer, so a weak signal shows up as a long pause before the reply. Check the signal in the app; if the speaker sits behind a metal appliance or in a room two walls from the router, move it before you blame the microphones.

FAQ

Should a smart speaker go against a wall?

Close to a wall is fine, about 10 to 20 centimetres away. Pushed flat against it, or in a corner, the reflections start to confuse the microphones. Keep the front of the speaker facing into the room.

Does height matter for a smart speaker?

Yes. Ear height for the people using it most is ideal. Too low and furniture blocks your voice; too high and the ceiling bounces sound back. Between 70 and 150 centimetres covers most rooms.

Can I put a smart speaker in a bathroom?

Only a model rated for moisture, and well away from the shower. Steam and splashes damage standard speakers, and tiled rooms echo heavily, so expect weaker recognition than elsewhere in the house.

The Practical Takeaway

Before you buy a newer speaker because the old one seems deaf, pull it out of the corner, bring it to ear height and keep it a metre from the noisiest appliance. Run the ten command test with the TV on. Most of the speakers I have "fixed" for friends needed nothing more than that, and you can find more setups like it in our voice assistant guides.

JP
Jonah Pryce

Jonah builds home automations far more complicated than any household actually needs, purely for the challenge, then writes the stripped down version that works for everyone else without the troubleshooting headaches.

More posts by Jonah

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