Tagged Questions

-2
votes
0answers
61 views

algorithm required for audio and video seperation [closed]

can anyone give me an algorithm to separate audio and video from a video signal having both audio and video part. I want to implement it using filters and make it work on matlab . Also any kind of ...
1
vote
0answers
160 views

Microphone and speaker types in a DSP audio processing application

I am attempting to design and build a PCB from scratch. The hardware is meant to be used in a DSP audio processing application. What I want to achieve is to be able to collect sound through a ...
3
votes
1answer
155 views

How to use an audio codec as an ADC?

I would like to add ADC functionality to a TI C6748 dev board. I need 16bit precision, but relatively low sample rate(~5K). Not finding any suitable daughter ADC card, I am considering the ...
2
votes
3answers
379 views

Looking for a microcontroller for Audio DSP applications

I'm currently researching a system that has the ability to playback multiple sound files from an SD-card, add them together then output the signal to a DAC. I'm basically looking for specifications on ...
1
vote
3answers
1k views

Avoiding echo/feedback on speaker-phones, how?

Even a $20 mobile phone with a speakerphone has no problems of feedback. While I understand that companies like Mediatek have use crazy volumes to bring down mobile chipset prices so low, but reading ...
4
votes
6answers
617 views

Preventing audio signal saturation

I am trying to implement an algorithm on audio signals. The algo operates on the signal on a frame-by-frame basis. One of the intermediate stages requires addition of the signal to the previous ...
2
votes
5answers
2k views

How to compare two audio files?

I have two recorded audio voice WAV files I have recorded by saying "Good Morning" twice. I want to compare the two audio files and say both are identical. How can I do that? What is the right ...
5
votes
4answers
1k views

High Quality Audio ADC and DAC with Embedded

I am starting work on a project where I want to do some DSP using an embedded solution ideally with very low latency as it will be in a real time environment. In addition I want high quality, ...
16
votes
9answers
2k views

DSP recommendation for beginners

I am considering a project involving a fair share of digital signal processing. As far as I know, the best type of IC suited for this are the Digital Signal Processors. I have never worked with them ...