Sent message sound is not the same as iOS default

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• I have searched open and closed issues for duplicates
• I am submitting a bug report for existing functionality that does not work as intended
• This isn't a feature request or a discussion topic

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Bug description

The message sent audio is not actually in the best quality and it is not the same as iMessage sound.

Steps to reproduce

• send a message in the chat

Actual result: the sent_message.aiff audio is not the same as iPhone default

Expected result: the sent_message.aiff should play ios default sent message audio

Device info

Device: iPhone 13

iOS version: 26.5

Signal version: 8.12.1 (1616)

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trim.41884510-215B-4169-948B-D0345D3C3DA2.MOV

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my pull request to fix this:
#6282