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System information

• TensorFlow version (you are using): 2.1
• Are you willing to contribute it (Yes/No): No

(e.g. for links and images), because some of these examples are now being rendered in the docs.

Added by @fchollet in requests for contributions.

This is a follow up on #45917 - Previously we fixed test_serialization by

• avoiding the usage of filename in torch.save/load;
• kept one specific test to validate both file descriptor and filename code path for torch.save/load

However per @malfet 's comment we can also abstract out temp file creation step to support the

some recordings have low volume so the output can be sometimes really quiet. how about we add a volume bar so we can make the output louder/quieter?