A Voice That Feels Like Yours: What Gender-Affirming Voice Therapy Actually Does

Imagine being on a desert island — no one around, no one to perform for. Would you still want your voice to match who you are? For many transgender people, the answer is yes. And that insight, shared by one of Yeptain’s clients, gets to the heart of what gender-affirming voice therapy is really about. It’s not about sounding right to other people. It’s about the relationship between a person and their own voice. In Episode 20 of Bilingual Speech Spot — the second part of a two-episode series with voice therapist Yeptain — Chloe and Yeptain went deep on what gender-affirming voice therapy involves, how it works in practice, and what makes Cantonese an unexpectedly useful language for this work.

What We Talked About Gender-Affirming Voice Therapy

Yeptain’s path into this field started at the University of Sydney, where he heard a brief mention of trans voice therapy in his training and became curious. That curiosity led him to support groups in Hong Kong, then to a PhD, then to formal training at Karolinska Institute in Sweden — the only structured university-level program in trans voice therapy in the world at the time. He was the only participant from the Asia-Pacific region.

He now runs the Gender Affirming Voice Clinic at the University of Melbourne, which he established with the support of a Diversity and Inclusion grant. The clinic provides voice therapy services for transgender women and men, and trains student SLPs to work competently and compassionately in this area.

Three Things That Stood Out about Gender-Affirming Voice Therapy

1. The goal is empowerment, not passing in gender-affirming voice therapy

Yeptain was clear: early in his work, he thought the goal of trans voice therapy was to help someone’s voice “pass” as a particular gender — to sound convincingly male or female to listeners. Over time, he came to understand that this framing was too shallow.

The deeper goal is self-image and control. One of his clients told him that even if they were on a desert island — no other people, no social stakes — they would still want to speak in a voice that felt congruent with their gender identity. That’s not about audience. That’s about the relationship a person has with themselves.

Voice therapy in this context is about giving someone the skills and tools to shape their voice intentionally — to have agency over something that, for many trans people, has felt completely outside their control.

2. Hormone therapy doesn’t solve everything for trans men — and does nothing for trans women’s pitch

One of the most practically useful parts of the conversation was Yeptain’s explanation of how voice change differs across the trans community.

For transgender men using testosterone, voice change is usually substantial — the hormone causes vocal fold changes similar to male puberty, and the voice typically deepens significantly within about a year. But it’s not without complications: around 16% of trans men report being dissatisfied with the result. The vocal folds may change, but the vocal tract doesn’t lengthen in the same way as in cisgender male puberty — leading to a mismatch that can cause a voice to sound smaller, or to experience register breaks similar to adolescence. Voice therapy can address this directly.

For transgender women, estrogen does not change the pitch of a voice that has already gone through testosterone-driven puberty. The vocal folds remain the same size. This is why voice therapy is so much more central to the experience of many trans women — it’s one of the primary tools available to them.

A simple technique Yeptain demonstrated: a gentle yawning action. Yawning naturally lowers the larynx, lengthening the vocal tract and creating a fuller, lower resonance. With practice, this position can be sustained habitually — not as an exaggerated effect, but as a natural baseline for the voice.

3. Cantonese tones are a surprising advantage for gender-affirming voice therapy

Here’s something you probably haven’t heard before: Cantonese, with its six tones, is actually easier to work with in gender-affirming voice training than English.

Why? Because each tone in Cantonese corresponds to a specific pitch relationship that can be mapped directly to musical notes. When training pitch range in voice therapy, having tonal reference points means the clinician can give precise, audible targets — “hit this note” — rather than working with the more abstract intonation patterns of English. English conveys intonation at the sentence level (rising for questions, falling for statements), not at the individual word level. That’s much harder to use as a training anchor.

Yeptain described using Cantonese tones like musical notation — 燈 (lamp, level tone), 鄧 (a name, falling tone) — to guide pitch placement. It turns out that a feature sometimes seen as making Cantonese “difficult” is actually a precision tool in this context.

He also covered resonance work — specifically, the way lip position affects perceived vocal quality. Smiling slightly while speaking brightens the resonance by shortening the vocal tract. It’s a technique used with transgender women as part of building a voice that reads as more feminine — but it requires calibration. Practising too wide a smile in everyday conversation is obviously impractical; the skill is in finding the right zone for each context.

What This Means for SLPs and the Trans Community

For speech pathologists:

• Gender-affirming voice therapy is a legitimate and growing area of practice — and there are specific skills involved that benefit from formal training
• Resources are available through the University of Melbourne Gender Affirming Voice Clinic and Yeptain’s LinkedIn
• Even if you don’t specialise in this area, being aware of what trans clients may need — and having referral pathways — is good practice

For the trans community in Melbourne and beyond:

• The Gender Affirming Voice Clinic at the University of Melbourne provides voice groups for transgender women and is expanding services for transgender men in 2026
• Voice therapy for trans people is about far more than pitch — it encompasses resonance, intonation, social scenario practice, and building confidence in using your voice as you choose
• You don’t have to navigate this alone — and you don’t have to choose between sounding feminine/masculine and sounding authoritative. Both are achievable.

For Cantonese speakers specifically:

• If you are a Cantonese-speaking trans person, or an SLP working with Cantonese-speaking trans clients, the tonal nature of the language is genuinely a training asset — and there are clinicians like Yeptain who can work with you in that context

Listen to BSP Episode 20 on Spotify or wherever you get your podcasts. Part 1 (BSP 19 — general voice therapy) is a recommended listen first.

Visit blackburnslp.com.au/resources | Follow @phd.speechie.mum on Instagram

廣東話聲調竟然係跨性別聲線訓練嘅優勢？——性別肯定聲線治療全解析

如果你是言語治療師，想開始接觸性別肯定聲線治療（gender-affirming voice therapy），或者想知道廣東話聲調在這個領域可以怎樣派上用場——這一集就是為你而做的。

這一集《Bilingual Speech Spot Podcast》第20集，是聲線治療師Yeptain兩集系列的第二集，Chloe與Yeptain深入探討性別肯定聲線治療的實際操作、專業訓練路徑，以及為什麼廣東話在這個領域有一個出人意料的優勢。（如果未聽第一集BSP 19，建議先從那一集聽起。）

目標是賦權，不是「通過」

Yeptain坦言：初期他以為跨性別聲線治療的目標，是令聲音在別人耳中「通過」——聽起來像特定性別的聲音。但多年下來，他明白這個框架太膚淺。更深層的目標是自我形象與掌控感——他的一位客人告訴他，即使身處荒島、沒有其他人、沒有任何社交壓力，仍然想要一把與性別認同吻合的聲音。這不是為了觀眾，而是一個人與自己的關係。

荷爾蒙治療解決不了所有事

對於使用睪酮的跨性別男性，聲音改變通常顯著，但約16%的人對結果不滿意，因為聲帶改變了，聲道長度卻未必同步增長，導致不匹配。對於跨性別女性，雌激素完全不會改變已經受睪酮影響的聲帶音調——這正是聲線治療對很多跨性別女性而言如此重要的原因。Yeptain示範了一個簡單技巧：輕輕的打呵欠動作，自然令喉嚨降低，聲道變長，製造更豐富、更低的共鳴。

廣東話聲調——意外的訓練優勢

這是今集最令人驚喜的發現：廣東話的六個聲調，在跨性別聲線訓練中比英文更好用。因為每個聲調都對應一個具體的音高關係，可以直接對應音符。練習音域時，有聲調參考點意味著治療師可以給出精確、可聽的目標，而不是處理英文那種較抽象的句子語調變化。Yeptain形容用廣東話聲調就像樂譜——原來一個常被視為「難學」的語言特性，在這個領域反而是精準工具。

給治療師的建議

性別肯定聲線治療是一個有正規技能需求、日益重要的實踐領域。即使你不專門從事這個範疇，了解跨性別客人可能的需要、以及懂得轉介，已經是良好的實踐基礎。資源可透過墨爾本大學性別肯定聲線診所及Yeptain的LinkedIn獲取。如果你想與其他治療師交流這類議題，歡迎加入 Bilingual Spot Special Interest Group，延續這一集的討論。（連結：加入表單）

給跨性別社群的話

墨爾本大學性別肯定聲線診所目前為跨性別女性提供聲線小組，並計劃在2026年擴展跨性別男性的服務。聲線治療遠不止於音調——還包括共鳴、語調、不同社交情境的練習，以及建立自信用自己選擇的聲音說話。你不需要獨自面對這一切，而且不需要在「聽起來有女性/男性特質」與「聽起來有權威感」之間二選一——兩者都可以做到。

請在Spotify或你常用的Podcast平台收聽第20集，建議先聽第19集（一般聲線健康）作為基礎。

瀏覽 blackburnslp.com.au/resources ｜ Instagram：@phd.speechie.mum