Analyze the echo path yourself

On September 19, 2023

Background The echo path is one of the most critical component during echo cancellation. You might have already heard this term or any of its synonyms (e.g. “echo tail”). When discussing the echo path we usually talk about two different aspects: a. The stability of the echo path. How volatile is this parameter ? Is […]

Echo Cancellation with negative echo tail

On May 7, 2017

Background Echo path/tail is one of the most fundamental parameters when performing echo cancellation. In previous posts, we elaborated on the importance of echo tail and we also provided a Do It Yourself (DIY) method to calculate the echo tail. In most usage scenarios, the value of the echo tail will be a positive one […]

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