Alex_rcpilot
Member
Hi all.Here's my problem:
A friend of mine is trying to develope an evaluation system for automobile horn manufacturers.Owners of such factories told him that they hire experienced workers to listen to each horn,and apply proper adjustment to make the tone best resemble that of a standard horn.As you know,the horns are too loud for human to sustain for a long period of time without any harm.And human hearing varies because of lots of factors,which makes the adjustment not so close to ideal.Manufacturers want an instrument on the assembly line to do this job instead of human.Adjustment will be easy as rotating an adjustable component or two.The key is sound evaluation.We have searched the web for such chips only to find nothing but voice recognition chips.We contacted serveral domestic companies selling voice recognition chips,asked whether they have such chips we needed and they said 'no'.I think perhaps there are such things in other countries.So,here I am.
Has anyone ever heard of sound evaluating chips?I think they are less complex than voice recognition chips because the latter have to analyse a certain pattern after evaluating the waveform of input audio signal.So a sound evaluating chip is more like a semi-manufactured stuff.And I think what we need is actually parameters of the audio sample such as amplitude of the fundamental wave and its harmonic.Then a microcontroller will be able to process such data with a certain algorithm.There's a software solution in which a PC is implemented.Third-party software will aid the process of sound analysis.But they want cheaper solutions.Given this requirement,the chip we need can't be so expensive that it turns the PC into a more brilliant choice.
Better recommendations other than what I've mentioned(but not bringing back the workers ) is appreciated.Any suggestion is welcome.Thank you for the help in advance.
Regards,Alex
A friend of mine is trying to develope an evaluation system for automobile horn manufacturers.Owners of such factories told him that they hire experienced workers to listen to each horn,and apply proper adjustment to make the tone best resemble that of a standard horn.As you know,the horns are too loud for human to sustain for a long period of time without any harm.And human hearing varies because of lots of factors,which makes the adjustment not so close to ideal.Manufacturers want an instrument on the assembly line to do this job instead of human.Adjustment will be easy as rotating an adjustable component or two.The key is sound evaluation.We have searched the web for such chips only to find nothing but voice recognition chips.We contacted serveral domestic companies selling voice recognition chips,asked whether they have such chips we needed and they said 'no'.I think perhaps there are such things in other countries.So,here I am.
Has anyone ever heard of sound evaluating chips?I think they are less complex than voice recognition chips because the latter have to analyse a certain pattern after evaluating the waveform of input audio signal.So a sound evaluating chip is more like a semi-manufactured stuff.And I think what we need is actually parameters of the audio sample such as amplitude of the fundamental wave and its harmonic.Then a microcontroller will be able to process such data with a certain algorithm.There's a software solution in which a PC is implemented.Third-party software will aid the process of sound analysis.But they want cheaper solutions.Given this requirement,the chip we need can't be so expensive that it turns the PC into a more brilliant choice.
Better recommendations other than what I've mentioned(but not bringing back the workers ) is appreciated.Any suggestion is welcome.Thank you for the help in advance.
Regards,Alex