The voice tag has no wiki summary.
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0answers
38 views
voice with a random noise redction - MATLAB
I have this assignment that I can't figure how to solve.
I have a sound.wav human-voice file, and a matlab add-random-noise (monotonic)
Goal: remove the noise from the sound (and the sound from the ...
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0answers
12 views
Lookup word in dictionary by voice [migrated]
I have 1000 words in 3 different dialects for the Gaelic language. I have each word in the form of three mp3 recordings. I wish to have functionality in my application, be it a website or a mobile ...
1
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1answer
45 views
Detection of regions of voice in music
I want to detect the regions of voice in a song. Currently, I am using the fact that the vocals in the song are recorded as center panned. So, I am removing all center panned audio from the song. ...
0
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1answer
46 views
Detect when someone has stopped talking
What's an extremely efficient way of detecting when a user has stopped talking into a microphone? When I use systems like Siri it can detect when I've stopped talking almost immediately, even when ...
4
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0answers
93 views
How does Songify work?
Does anyone know how does the "Songify" app algorithm work?
There are 2 inputs:
speech (or amateur singing), and
underlying music.
Somehow the speech is altered and mixed into the music. Which ...
1
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1answer
137 views
About voice filtering
I have a waveform containing
voice
some children screaming
some times when there is no noise at all
some times there are cars driving by when talking
I want to detect the start and ending times ...
1
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1answer
31 views
Establishing Phrase Frequency in Audio Files
Is there any Application, Programming Library or Theory that could be used to identify human language phrases in a set of audio files, so as to calculate the frequency of occurrence of each such ...
2
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3answers
401 views
How to mimic/copy/fake someone's voice?
Is there any existing application to sample someone's voice and use it to modulate any other voice or synthesize a text to resemble the original one?
For example, this Text-to-Speech Demo by ...
3
votes
2answers
78 views
Why does the excitation signal appear, separated, at high quefrencies in the cepstrum?
So, I've just begun a speech and language processing course and have found the explanation of the process of getting the cepstrum of a signal and its properties a little confusing. The following is a ...
3
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1answer
109 views
Acoustic features distinguishing the male and female voice?
I would like to use MFCC analysis to distinguish between a male voice and a female voice.
Are there any particular quantifiable characteristics consistent with, and exclusive to, either gender? ...
5
votes
1answer
131 views
Filter message from noisy voice signal
I am trying to decipher a message hidden within a very noisy audio file(.wav)(I think it is white noise with an additional low drone). The message is a six digit number. I have not have any further ...
5
votes
2answers
255 views
How is a human whistle a pure sine wave?
According to Wikipedia human whistling is a pure sine wave.
If that is true and if a human is whistling and produces a rhythm like any song, is he still producing a pure sine wave?
For example, if I ...
5
votes
3answers
157 views
Why are the bass components of music more audible than other components?
Consider a situation where I am listening to loud music in a room. If I move into another room and close the door (so music is now played in another room behind the closed doors), I will hear the bass ...
4
votes
1answer
145 views
How is it possible to Filter out a person's voice out of 100 of other voices?
So, I've just learned that the human voice is not a single sine wave its a bunch of unlimited Sine waves each having a different frequencies,
According to Wikipedia,
The voice consists of sound ...
3
votes
1answer
159 views
Library to differentiate people by their voice timbre
Say there are 3 people in the room. Each of them have a unique voice timbre. I want to recognize people by their timbre and know who's speaking.
2
votes
1answer
271 views
Speech Compression - In LPC how does the linear predictive filter work on a general level?
Hi I'm taking a multimedia systems course and I'm preparing for my exam on tuesday. I'm trying to get my head around LPC compression on a general level, but I'm having trouble with what is going on ...
7
votes
1answer
272 views
Theory behind Linear Predictive Coding (LPC)
What is the theory behind LPC? Why are(were) certain implementations of LPC said to be more tolerant of transmission or encoding errors quantization than other compressed voice encoding schemes?
...
13
votes
4answers
735 views
How to distinguish voice from snoring?
Background: I'm working on an iPhone application (alluded to in several other posts) that "listens to" snoring/breathing while one is asleep and determines if there are signs of sleep apnea (as a ...
6
votes
4answers
622 views
Programming a Vocoder
I'm want to program my own vocoder synthesizer like "Songify" but I can't find a simple of vocoder algorithm. Maybe you can explain or tell where to look for information on how vocoder works.
4
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3answers
643 views
How is a “good” or “bad” singer defined in signal processing terms?
I was watching the American and Indian idol auditions on youtube earlier in the day. I watched both successful and failed contestants and I was able to distinguish the really bad from the good singers ...
