Final answer:
The researchers in the TED talk used new techniques with musical sounds to aid the visually impaired.
Step-by-step explanation:
The statement that researchers were using new techniques with musical sounds to aid the visually impaired in the TED talk we watched in class is true.
In the TED talk titled 'Evelyn Glennie: How to truly listen,' deaf percussionist Evelyn Glennie discusses how listening to music involves more than just sound waves hitting our eardrums. She explains that music can be felt and experienced in different ways, making it accessible to people with visual impairments.
Glennie's talk emphasizes the power of music as a universal language that can be used for communication, expression, and inclusivity.