Sound Amplifier Google App
Sound Amplifier app basically amplifies the sound manifold to help people from suffering from hearing loss. It should be used with wired headphone to filter, augment and amplify the sound in your present environment. There are customization settings which allows you to apply noise reduction too. This app is supported in smartphones with Android 9 Pie or later and comes pre-installed on Pixel 3 phone.
Live Transcribe Google App
Live Transcribe supports over 70 languages and dialects. With this app, you can see words appear on your phone as they are spoken. It also allows you to enable two-way conversation via a type-back keyboard for users and connect with external microphones to improve transcription accuracy.
Both the Apps can be enabled by going to Settings -> Accessibility option in your smartphone. As per Google, the goal of the company is to help millions of people suffering for hearing problems with these two new apps. We can also expect more features and refinement of these apps in future.