25 September 2023

Talking points: How to make Siri and Alexa understand you

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Virginia K. Smith* says many people still struggle with how to talk to digital voice assistants, but there are some simple steps to follow to get them to understand what you’re saying.


Photo: Fabian Hurnaus

If talking out loud to Alexa (or your digital assistant of choice) feels unnatural, you’re not alone.

I’ve had Siri for as long as she’s been alive, yet I can count on one hand the number of times I’ve spoken to her.

It seemed easier to open an app on my iPhone or type in a Google query and get exactly what I’m looking for, rather than navigating a line of verbal questioning that eventually leads to my desired answer — or not.

It’s also hard to get past the weirdness of speaking to an inanimate object.

Many people still struggle with the idea of treating our voice assistants like real, live beings capable of human-like conversation.

So how should we be interacting with our voice assistants — Alexa, Google Home and Siri — to get the information we want and avoid the dreaded, “Sorry, I can’t help with that”?

Here’s what you need to know:

Allow a little time for your request to be processed

Machines first take the sounds of our speech and translate them into words, similar to dictation.

But they can’t do anything with those words unless they can make sense of the transcript.

Humans can write down sounds we hear in different languages with a reasonable level of accuracy, but that doesn’t mean we can understand their meaning.

That’s what makes voice assistants appear “smart” — they process and understand natural human speech and respond accordingly.

But this is actually a pretty simple task, says Candy Sidner, Professor of Computer Science at Worcester Polytechnic Institute.

“[Voice assistants] are essentially programmed to do certain kinds of things, so they are breaking down utterances presented to them and then doing a search on the web,” she says.

There’s always a gap between the end of a question and a machine’s response to account for processing time, especially when it has to understand speech — typing a query straight into Google doesn’t require that extra step.

Make your questions as specific as possible to get the best single result and give the assistant an opportunity to retrieve and relay an answer.

Speak to Alexa like she’s your friend

Voice assistants are trained using human speech patterns.

This means that talking at a higher volume or a slower pace, over-enunciating your words, or oversimplifying your questions will make your queries less successful.

Pretend the device is a person sitting next to you and they’ll be more likely to process your queries correctly.

Don’t try to cover up your accent

Experts say that voice assistants are surprisingly responsive to users’ accents — if they’ve been trained using human speech particular to a language or region.

If your device has settings for your accent you can switch to that mode for more accurate processing.

In general, even without a special setting, you’ll get the best results if you speak naturally.

Alexa, Siri and Google Assistant can understand different languages, too, if you configure them that way.

Supported languages are fairly limited depending on the assistant.

You can change your voice assistant’s accent or language under your device settings.

Be willing to reword or repeat yourself

It’s easy to get annoyed when your voice assistant doesn’t understand your question the first time you ask, but humans aren’t always great at this, either.

Where a human is likely to respond with “huh” or “what” or a blank stare, your assistant will at least acknowledge your request and say “sorry” when it needs more information, doesn’t understand you, can’t retrieve an answer, or hasn’t been trained on certain phrases or types of questions.

While voice assistants don’t require users to stick to a script, they may misinterpret a request or take incorrect action because of how a user phrases his or her question.

For example, if you say to Google Assistant, “Play the new Jason Derulo song, Colours”, she may recognise the artist first rather than the song and respond with, “Alright, here’s Jason Derulo on Spotify”, which isn’t exactly what you were asking for.

If you reword the request to “Play Colours by Jason Derulo”, the response is, “Colours by Jason Derulo, sure. Playing on Spotify”.

Voice assistants generally respond best to simple, direct and specific requests, so if you find that your device isn’t doing what you ask, try rephrasing your query.

Don’t expect complex or nuanced responses

Experts agree that although voice assistants are pretty good at responding to simple questions and getting to know basic user preferences, they lack the ability to understand context the way humans can.

When a voice assistant can’t grasp context, it generally won’t be able to respond appropriately.

If you ask Google Assistant, “Is Paddington 2 on Netflix yet?” she will say, “My apologies … I don’t understand”.

In this case, the word “on” has multiple interpretations, says Cathy Pearl, head of conversation design outreach at Google.

If the user instead requests a specific action — “Can I stream Paddington 2 on Netflix?” — the context is clear and the assistant responds with “I looked for Paddington 2 on Netflix, but it either isn’t available or can’t be played right now”.

Although voice assistants can control our smart home devices, play music, give a weather report and request an Uber, they have a lot left to learn about human conversation.

“In some ways these assistants are really smart,” Pearl says.

“They know a lot of facts.”

“But in some ways they’re very dumb.”

“They don’t have a lot of common sense about how the world works.”

* Virginia K. Smith is Managing Editor at Life Hacker. She tweets at @vksmith.

This article first appeared at www.lifehacker.com.au.

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