Nicanor García

6 Questions 16 Answers 0 Followers

Questions related from Nicanor García

How can I perform cross-validation in Speaker Verification?

I have a corpus with 50 speakers. I am a bit confused on how should I divide the corpus to perform a cross-validation strategy. I am using a GMM-UBM strategy, so I have to divide the corpus in...

13 November 2015 4,279 3 View

How can I perform speech analysis on many files with Wavesurfer software?

I want to extract the pitch of many files (

04 December 2014 2,161 2 View

What standards should I look for to simulate a voice communication channel (telephone, mobile, VoIP,etc)?

I need to assess the effects these channels have on the characteristics of a voice signal, so I need to simulate as best as possible the transmission of the signals (from different databases)...

15 November 2014 4,515 5 View

What is the correct way of normalizing an audio signal?

The usual way is to multiply by a factor 1/max(signal), however, one of my colleagues told me to multiply by a factor: (1-1/2^bitrate)/max(signal) to take into account the quantization error. This...

29 September 2014 4,223 16 View

Is the "musical noise" generated by some Speech Enhancement algorithms uniformly distributed across the spectrum?

I am trying to assess the degree of degradation that "musical noise" causes in the low frequency bands of the spectrum of speech signals. Perceptually (playing back the treated signal) this...

22 July 2014 1,764 6 View

What circuitry is needed to work with a Knowles NR23158 microphone?

I've been asked to design a circuit to power up and pick up the signal from a Knowles NR23158 microphone that is going to be used to record mosquitoes in a lab. If I plan to connect this...

30 January 2014 1,037 2 View