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        "author": "Yihui Xiong",
        "author_email": "yihui.xiong@hotmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 2 - Pre-Alpha",
            "License :: OSI Approved :: BSD License",
            "Operating System :: POSIX :: Linux",
            "Programming Language :: C++",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.6",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.2",
            "Programming Language :: Python :: 3.3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5"
        ],
        "description": "speexdsp for python\n===================\n\n[![Build Status](https://travis-ci.org/xiongyihui/speexdsp-python.svg?branch=master)](https://travis-ci.org/xiongyihui/speexdsp-python)\n\n## Requirements\n+ swig\n+ compile toolchain\n+ python\n+ libspeexdsp-dev\n\n## Build\nThere are two ways to build the package.\n\n1. using setup.py\n\n    ```\n    sudo apt install libspeexdsp-dev\n    git clone https://github.com/xiongyihui/speexdsp-python.git\n    cd speexdsp-python\n    python setup.py install\n    ```\n\n2. using Makefile\n\n    ```\n    git clone https://github.com/xiongyihui/speexdsp-python.git\n    cd speexdsp-python/src\n    make\n    ```\n\n## Get started\n```python\n\"\"\"Acoustic Echo Cancellation for wav files.\"\"\"\n\nimport wave\nimport sys\nfrom speexdsp import EchoCanceller\n\n\nif len(sys.argv) < 4:\n    print('Usage: {} near.wav far.wav out.wav'.format(sys.argv[0]))\n    sys.exit(1)\n\n\nframe_size = 256\n\nnear = wave.open(sys.argv[1], 'rb')\nfar = wave.open(sys.argv[2], 'rb')\n\nif near.getnchannels() > 1 or far.getnchannels() > 1:\n    print('Only support mono channel')\n    sys.exit(2)\n\nout = wave.open(sys.argv[3], 'wb')\nout.setnchannels(near.getnchannels())\nout.setsampwidth(near.getsampwidth())\nout.setframerate(near.getframerate())\n\n\nprint('near - rate: {}, channels: {}, length: {}'.format(\n        near.getframerate(),\n        near.getnchannels(),\n        near.getnframes() / near.getframerate()))\nprint('far - rate: {}, channels: {}'.format(far.getframerate(), far.getnchannels()))\n\n\n\necho_canceller = EchoCanceller.create(frame_size, 2048, near.getframerate())\n\nin_data_len = frame_size\nin_data_bytes = frame_size * 2\nout_data_len = frame_size\nout_data_bytes = frame_size * 2\n\nwhile True:\n    in_data = near.readframes(in_data_len)\n    out_data = far.readframes(out_data_len)\n    if len(in_data) != in_data_bytes or len(out_data) != out_data_bytes:\n        break\n\n    in_data = echo_canceller.process(in_data, out_data)\n\n    out.writeframes(in_data)\n\nnear.close()\nfar.close()\nout.close()\n```",
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        "keywords": "speexdsp,acoustic echo cancellation",
        "license": "BSD",
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        "maintainer_email": "yihui.xiong@hotmail.com",
        "name": "speexdsp",
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