AVSpeechSynthesizer: Quiet relative to other audio

Hello,


I find that even with the AVSpeechUtterance volume set to the maximum of 1.0, the voice is very quiet compared to, for example, any background music that is playing either in the app itself or externally.


Is there any way to make this any louder?

Post not yet marked as solved Up vote post of shane91c Down vote post of shane91c
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#meToo

Is there any solution?


I use AVAudioSession to reduce the volume of music playing in the background.

but, the volume of the voice played by AVSpeechSynthesizer is too quiet, so I want to increase the volume of the voise in some way.

(I want to increase the voice volume while playing music in the background)