audio-context | 采用Html5中的AudioContex对信号进行fft分析实现频谱

by sweetOranges JavaScript Version: Current License: No License

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kandi X-RAY | audio-context Summary

audio-context is a JavaScript library. audio-context has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

audio-context

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Support

audio-context has a low active ecosystem.

It has 4 star(s) with 0 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

audio-context has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of audio-context is current.

Quality

audio-context has no bugs reported.

Security

audio-context has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

audio-context does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

audio-context releases are not available. You will need to build from source code and install.

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audio-context Key Features

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audio-context Examples and Code Snippets

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Community Discussions

Trending Discussions on audio-context

Best way to call wasm module functions in AudioWorkletProcessor?

Unexpected Identifier Error when Importing a local file into AudioWorkletProcessor File

QUESTION

Best way to call wasm module functions in AudioWorkletProcessor?

Asked 2021-Jan-11 at 21:57

I am using Angular for development of a video conferencing web application. I am trying to call some wasm functions in my AudioWorkletProcessor class. However, I am quite stuck on how to pass the wasm module into the AudioWorkletProcessor and then call those functions. I was able to instantiate the wasm module from the js file generated from emcc (using command: emcc test.cpp -s WASM=1 -s MODULARIZE=1) and then tried passing this module through the options.processorOptions parameter when we construct the AudioWorkletNode; however, it seems like Function objects cannot be passed as it gives a DataCloneError. Is there a better way of instantiating the wasm module and passing it into the worklet processor so that I can use its functions?

Code of audio.service.ts:

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ANSWER

Answered 2021-Jan-11 at 21:57

Passing an instantiated WASM module to a worker (or an AudioWorklet) isn't possible. It only works when the WASM module is compiled but not yet instantiated. There is an example on MDN which shows how to do that with a regular worker but it works the same way when using the processorOptions of an AudioWorkletProcessor.

https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Module#sending_a_compiled_module_to_a_worker

The idea is to use compileStreaming() on the main thread and instantiate() in the worker.

On the other hand it's also possible to import everything directly into an AudioWorklet as shown in this example. However, I would not recommend doing that since compiling the code on the audio thread may result in an audible glitch.

https://googlechromelabs.github.io/web-audio-samples/audio-worklet/design-pattern/wasm/

Source https://stackoverflow.com/questions/65673325

QUESTION

Unexpected Identifier Error when Importing a local file into AudioWorkletProcessor File

Asked 2021-Jan-08 at 23:09

I am currently using Angular to build a video conferencing application. In one of my services, I try to incorporate the web audio api. The problem is when I try to add a script to the audio worklet using the addModule(AudioWorkletProcessorFileName.js) function, it throws a SyntaxError: Unexpected Identifier. I have found that it only happens when I try to import another file into AudioWorkletProcessorFileName.js. When I remove the import statement, everything works fine. There is more complex code that I want to import, but I wanted to start off with a more simple version of test.js (the file I want to import). I am not sure why this is the case. Am I missing some configuration settings in Angular or something else?

In audio.service.ts:

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ANSWER

Answered 2021-Jan-08 at 23:09

As mentioned in the comments above this was a bug in standardized-audio-context which did not correctly resolve relative paths inside of an AudioWorklet. It should be fixed in version 25.1.7 and above.

Source https://stackoverflow.com/questions/65604479

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install audio-context

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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