Helping children and adults communicate with confidence
ADULT SERVICES

For Adults

Individual support for communication, voice and swallowing.

Explore all adult services →
NOT SURE WHAT YOU NEED?

We’ll help you figure it out.

Tell us what you’re noticing and we’ll guide you.

Talk to our team
CHILD & TEEN SERVICES

For Children

Support for speech, language, literacy, fluency and social communication.

Explore children’s services →
NOT SURE WHAT YOU NEED?

We’ll help you figure it out.

Tell us what you’re noticing and we’ll guide you.

Talk to our team
NEUROLOGICAL CARE

Acquired Brain Injury

Assessment and therapy for cognitive-communication changes after injury.

Explore acquired brain injury care →
NEED GUIDANCE?

Start with a conversation.

Our team can guide you to the right assessment.

Contact us
IN-PERSON SPEECH THERAPY

Our Clinics

Visit our teams at one of our two Ontario clinics.

View both clinics →
PREFER TO START ONLINE?

Meet an SLP virtually.

Book a 15-minute online consultation with a speech-language pathologist.

Book online
GET TO KNOW US

About Us

Meet the team dedicated to helping children and adults discover their voice.

Read our story →
READY TO BEGIN?

Let’s find the right support.

Our client services team is ready to help.

Contact us
SPEECH SOUNDS • ARTICULATION • MOTOR SPEECH

Speech Concerns

When a child knows what they want to say, but the words do not come out clearly.

Speech sound therapy can help children who are difficult to understand, substitute or leave out sounds, use speech patterns that persist longer than expected, or show signs that speech planning and production may need a closer look.

Articulation Phonological Patterns Speech Clarity Childhood Apraxia
FROM IDEA TO SPOKEN WORD PLAN → MOVE → SOUND
SPEECH IS A COORDINATED SYSTEM A clear word requires the right sound pattern and the right movement plan.
01 HEAR / REPRESENT What sounds belong in the word?
→
02 PLAN How should the mouth move?
→
03 PRODUCE Can the child say it clearly?
SUBSTITUTE“tat” for “cat”
OMIT“ca” for “cat”
INCONSISTENTsame word, different attempts
EFFORTFULspeech seems hard to plan
IMPORTANT Speech and language are different. A child can have clear ideas and still have difficulty producing speech.
NOT SURE WHERE TO BEGIN?

Tell us a little about what you need.

Whether you're looking for support for a child, yourself, a parent or another family member, start here. We'll help point you toward the right service.

Call 905.886.5941 ↗
WHAT ARE YOU HEARING?

Parents hear the speech pattern first. Assessment helps explain what is underneath it.

Two children can sound similar for very different reasons. The useful question is not only “Which sound is wrong?” but “What pattern is the child’s speech system using?”

01

“One sound replaces another.”

What this may reflect

An articulation difference, a broader phonological pattern, or another speech-production issue.

An SLP may examine

Which sounds change • where they occur • consistency • stimulability • overall intelligibility

Why it matters

One visible error can have more than one underlying cause.

02

“Sounds disappear from words.”

What this may reflect

Sound omissions, reduced word structure, or a broader phonological pattern.

An SLP may examine

Beginning/middle/end omissions • consonant clusters • syllable structure • intelligibility

Why it matters

Omissions can change how recognizable a whole word becomes.

03

“Many words change in the same predictable way.”

What this may reflect

A phonological pattern affecting groups of sounds rather than one isolated speech sound.

An SLP may examine

Error patterns • sound classes • word structure • phonological organization • intelligibility

Why it matters

Treating one sound at a time may not address the broader pattern.

04

“The same word sounds different each time.”

What this may reflect

Inconsistent speech production that may need closer phonological or motor-speech assessment.

An SLP may examine

Repeated word attempts • consistency • transitions • prosody • sound accuracy

Why it matters

Inconsistency alone does not diagnose childhood apraxia of speech.

05

“Longer words seem much harder.”

What this may reflect

Greater motor-planning or sequencing demands as speech becomes more complex.

An SLP may examine

Word length • movement transitions • consistency • stress patterns • prosody

Why it matters

Motor-speech concerns require a different assessment lens than a typical articulation error.

06

“People outside our family cannot understand my child.”

What this may reflect

Several small speech differences combining to reduce overall intelligibility.

An SLP may examine

Familiar vs unfamiliar listeners • connected speech • school participation • error patterns

Why it matters

The most useful therapy targets are often the ones that improve everyday communication the most.

Do not treat the example. Understand the pattern.

This page is educational and cannot diagnose a speech sound disorder or childhood apraxia of speech.

NOT ALL SPEECH SOUND DIFFICULTIES ARE THE SAME

The same unclear word can come from different speech systems.

Articulation, phonological speech-sound patterns and childhood apraxia of speech can overlap in how they sound. The pattern across tasks helps differentiate them.

01 ARTICULATION

Individual sound production

The difficulty is concentrated around producing particular speech sounds accurately.

What may stand out

Persistent sound errors • distortions • difficulty finding the right placement

Therapy may emphasize

Sound placement • accurate production • practice • generalization • self-monitoring

“Can the child make this sound accurately and use it across speaking situations?”
02 PHONOLOGY

Patterns across many sounds

The child is using a broader rule or pattern that affects groups of sounds or word structures.

What may stand out

Predictable substitutions • omissions • simplification patterns • multiple sounds affected

Therapy may emphasize

Sound contrasts • pattern change • word structure • intelligibility • generalization

“Is one underlying pattern changing many words?”
03 MOTOR PLANNING / CAS

Planning and programming speech movement

Childhood apraxia of speech is a pediatric motor-speech disorder involving planning and programming speech movements.

What may stand out

Inconsistent errors • disrupted transitions • unusual stress • greater difficulty with complex words

Therapy may emphasize

Motor-based practice • movement accuracy • repetition • carefully structured progression

“Does speech become less stable as movement demands increase?”
Clinical takeaway:

A similar speech error does not automatically mean the same diagnosis — or the same treatment approach.

SPEECH SOUND MAP

A speech sound can behave differently depending on where it lives inside the word.

Assessment looks beyond whether a sound is “right” or “wrong.” Position, word length, surrounding sounds and speaking complexity can all change accuracy.

C BEGINNING

Does the sound break down when it starts the word?

A MIDDLE

Does the sound become harder inside a longer movement sequence?

T END

Are sounds omitted or changed at the end of words?

ASSESSMENT DOES NOT STOP AT ONE WORD
Single sound

Can the child produce the target at all?

Word

Does accuracy change by word position or surrounding sounds?

Sentence

Does the target survive when language demands increase?

Conversation

Does clearer production carry into natural, fast speech?

Speech clarity is a moving target.

A child may produce a sound in a quiet single-word task and still lose it in connected conversation.

CHILDHOOD APRAXIA OF SPEECH

CAS is a motor-planning disorder. It is not simply “severe articulation.”

Childhood apraxia of speech involves difficulty planning and programming the movements needed for speech. It is not caused by muscle weakness.

CAS DIFFERENTIAL ASSESSMENT No single feature is enough on its own.

Clinicians look for a pattern across multiple speech tasks.

01

Consistency

Does the same word sound different across repeated attempts?

02

Transitions

Are movements between sounds and syllables disrupted or unusually effortful?

03

Prosody

Are stress, rhythm or intonation patterns unusual for the child?

04

Complexity

Does speech become much harder as words or sequences get longer?

Important:

Inconsistent errors, disrupted transitions and unusual prosody can raise clinical suspicion, but no single sign or shortcut screening test diagnoses childhood apraxia of speech.

SPEECH CLARITY

The important question is not only “which sound?” It is how far the message travels.

Familiar listeners often understand more because they know the child’s speech patterns. Functional impact becomes clearer when we look across different communication environments.

THE CHILD'S MESSAGE How understandable is it?
01

HOME

Can family understand the child without frequent repetition?

02

SCHOOL

Can teachers follow questions, answers and explanations?

03

PEERS

Does speech clarity make conversations more effortful?

04

UNFAMILIAR LISTENERS

What happens with someone who does not already know the child’s speech patterns?

Functional intelligibility matters as much as individual sound accuracy.
CHILD SPEECH SOUND ASSESSMENT

A good assessment moves from what you hear → to why it is happening.

A comprehensive speech assessment may examine speech across several contexts and, when relevant, hearing history, oral structures and movements, language and motor-speech features.

01
HISTORY

What are parents noticing?

Development • hearing • languages • previous services • intelligibility • functional impact

Why it matters

Context tells us whether the speech pattern is stable, changing and affecting everyday communication.

02
SOUNDS & PATTERNS

What does the speech system actually do?

Single sounds • word positions • sound patterns • connected speech • consistency

Why it matters

One word cannot show the full speech pattern.

03
DIFFERENTIATE

What type of speech difficulty is most likely?

Articulation • phonology • motor speech • structural or hearing contributors when relevant

Why it matters

Different speech systems often need different treatment approaches.

04
PRIORITIZE

Which target will make the biggest difference first?

Age • profile • intelligibility • communication impact • stimulability • treatment approach

Why it matters

Therapy should improve communication, not just create perfect performance in drills.

THE ASSESSMENT QUESTION What pattern is reducing speech clarity — and which treatment approach best matches that pattern?
HOW SPEECH SOUND THERAPY BUILDS

From a new speech pattern to clearer everyday communication.

Treatment depends on the diagnosis and speech profile, but therapy usually becomes progressively more natural and more demanding.

01

ESTABLISH

Can we create the target?

Help the child produce or organize the target speech pattern accurately.

→
02

STABILIZE

Can we repeat it reliably?

Build consistency across varied words and increasingly complex practice.

→
03

GENERALIZE

Can it survive real language?

Move the target into phrases, sentences and connected speech.

→
04

AUTOMATE

Can the child use it without thinking about it?

Support carryover, self-monitoring and clearer everyday communication.

THERAPY ROOM Accurate target → STRUCTURED SPEECH Words & sentences → REAL LIFE Conversation & participation
MULTILINGUAL CHILDREN

A speech difference across languages is not automatically a disorder.

Different languages and dialects use different sound systems. A child may carry features from one language into another without having a speech sound disorder.

Assessment should consider the child’s languages and dialects, their speech strengths in each one, and whether the pattern is expected from cross-language influence or reflects an underlying speech difficulty.

DIFFERENCE OR DISORDER?

Four questions help organize the clinical picture.

01 — Sound systems

Which speech sounds and patterns exist in each language?

02 — Cross-language pattern

Does the difficulty occur only in one language, or across several?

03 — Expected transfer

Could the pattern be explained by influence from another language or dialect?

04 — Functional impact

How much does the pattern affect intelligibility across contexts?

OTHER CHILD SPEECH CONCERNS

Not every speech concern belongs on a speech-sound therapy pathway.

Stuttering, pediatric voice and language concerns require different assessment questions. Routing correctly prevents a broad “speech” label from hiding the real issue.

FLUENCY

Stuttering

Repetitions • prolongations • blocks • tension • communication impact

Go to Child Stuttering ↗
PEDIATRIC VOICE

Hoarse, strained or unusual voice

Persistent pediatric voice changes may require medical evaluation and a voice-specific SLP pathway.

Ask us which service is appropriate
LANGUAGE

Understanding & expressing language

Words • directions • questions • vocabulary • sentences • stories

Go to Pre-School Language ↗
SPEECH SOUND THERAPY FAQ

Questions parents often ask about unclear speech.

A child’s speech profile is best understood by looking at the pattern across many sounds, words and speaking situations rather than judging one example in isolation.

What is a speech sound disorder?

A speech sound disorder involves difficulty with speech-sound perception, representation or production. It may involve articulation, phonological patterns or another speech-production issue.

What is the difference between articulation and phonology?

Articulation typically refers to difficulty producing particular sounds accurately. Phonological difficulties involve broader patterns or rules that affect groups of sounds or word structures.

What is childhood apraxia of speech?

Childhood apraxia of speech is a pediatric motor-speech disorder involving difficulty planning and programming the movements needed for speech. It is not caused by muscle weakness.

How do I know whether my child has CAS?

No single feature or screening test diagnoses CAS. Differential assessment uses multiple speech tasks, clinical markers and professional judgment.

What happens during a speech-sound assessment?

The SLP may review developmental and hearing history, assess speech sounds in different word positions and connected speech, consider oral structures and movements, and screen language or motor-speech skills when relevant.

Does therapy always start with single sounds?

No. Treatment depends on the diagnosis. Some children may need individual sound work, while others need treatment aimed at phonological patterns or motor planning.

Can multilingual children have speech differences without having a disorder?

Yes. Languages and dialects use different sounds and patterns. Cross-language influence is not automatically a disorder.

Do you provide speech sound therapy in Toronto and the GTA?

Speech Therapy Centres of Canada supports children and families across Toronto and surrounding GTA communities. Contact the clinic to confirm the most appropriate service and current appointment options.

TORONTO • GTA • ONTARIO

Speech Sound Therapy for Children in Toronto & Across the GTA

Speech Therapy Centres of Canada provides speech sound therapy in Toronto and the GTA for children with articulation difficulties, phonological speech patterns, reduced speech clarity and motor-speech concerns including suspected childhood apraxia of speech.

Families may seek articulation therapy in Toronto when a child substitutes, omits or changes sounds, is difficult to understand, or has persistent speech patterns affecting everyday communication.

A speech assessment can help determine whether the concern is best described as an articulation difficulty, phonological speech sound disorder, motor-speech concern or another communication issue requiring a different pathway.

Toronto & York Region

Toronto • North York • Scarborough • Markham • Richmond Hill • Vaughan • Aurora • Newmarket

Peel & Durham

Mississauga • Brampton • Ajax • Pickering • Whitby • Oshawa

WHEN THE MESSAGE IS CLEAR BUT THE SPEECH IS NOT

Find out what is making speech harder to understand.

Tell us which sounds, words or speaking situations are difficult. A speech assessment can help identify the pattern and the most appropriate next step.

NOT SURE WHERE TO BEGIN?

Tell us a little about what you need.

Whether you're looking for support for a child, yourself, a parent or another family member, start here. We'll help point you toward the right service.

Call 905.886.5941 ↗