From 1c5d751eab18370de4e79aee3e614cf9eac23810 Mon Sep 17 00:00:00 2001 From: VergilWang15 Date: Fri, 1 Apr 2022 15:36:12 +0800 Subject: [PATCH] Extract device name to settings.py --- README.md | 3 +++ poetry.lock | 2 +- pyproject.toml | 2 +- src/example.py | 18 ++++++++++++------ src/settings.py | 1 + 5 files changed, 18 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index b422a85..0aa9745 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,9 @@ # PXUA216MB-DL2-M Python例程 +本项目是结合木瓜电子16麦板使用的python例程，请结合项目内注释使用 + ## 安装 + 本项目通过poetry实现包管理 关于poetry的安装及使用方法：[poetry](https://python-poetry.org/docs/) diff --git a/poetry.lock b/poetry.lock index 79c820a..bc4d719 100644 --- a/poetry.lock +++ b/poetry.lock @@ -55,7 +55,7 @@ numpy = ["numpy"] [metadata] lock-version = "1.1" -python-versions = "^3.10" +python-versions = "^3.7" content-hash = "5c2b83e7e719e6d1491460d44a0dcf4161bca6d52bfd58df0f16654f8a40417e" [metadata.files] diff --git a/pyproject.toml b/pyproject.toml index 5338991..67b0f10 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -5,7 +5,7 @@ description = "" authors = ["VergilWang15 "] [tool.poetry.dependencies] -python = "^3.10" +python = "^3.7" [tool.poetry.dev-dependencies] sounddevice = "0.4.4" diff --git a/src/example.py b/src/example.py index c2ca0f7..3380296 100644 --- a/src/example.py +++ b/src/example.py @@ -8,11 +8,11 @@ def select_device(device_type='output'): i = 0 for device in device_list: # 选择设备 host_name = sd.query_hostapis(device['hostapi'])['name'] - if device_type == 'input' and 'PawPaw Microphone Array' in device['name'] and host_api in host_name \ + if device_type == 'input' and settings.DEVICE_NAME in device['name'] and host_api in host_name \ and input_channel == device['max_input_channels']: print("找到一个PawPaw输入设备: " + str(i) + " " + device['name']) sd.default.device = i # 设置输入设备 - if device_type == 'output' and 'PawPaw Microphone Array' in device['name'] and host_api in host_name \ + if device_type == 'output' and settings.DEVICE_NAME in device['name'] and host_api in host_name \ and output_channels == device['max_output_channels']: print("找到一个PawPaw输出设备: " + str(i) + " " + device['name']) sd.default.device = i # 设置输出设备 @@ -20,8 +20,9 @@ def select_device(device_type='output'): def play_pcm_raw(): - # path = '../test_audio/test_audio_48k.raw' # 测试播放48k音频 - path = '../recorded_audio/testfile.raw' # 此处的.raw文件即为pcm格式音频 + # 去除不同的注释以播放不同的音频 + path = '../test_audio/test_audio_48k.raw' # 测试播放48k音频 + # path = '../recorded_audio/testfile.raw' # 此处的.raw文件即为pcm格式音频 # 解析pcm文件并存放到数据流中 # 需要4个变量：文件路径，音频通道数，采样率，音频子类型 # 此处的音频位深为16位，故选用PCM_16，关于如何寻找音频的子类型，参考README.md @@ -36,6 +37,9 @@ def recording(): fs = 48000 # 采样率 select_device(device_type='input') my_recording = sd.rec(int(duration * fs), samplerate=fs, channels=18) # 将音频写入输入流 + # ------------------------------------- + # my_recording是一个二维数组，在此示例中存放了18个通道的sample数据 + # ------------------------------------- sd.wait() # 提取前两个通道的音频，保存为raw文件供测试播放 @@ -46,6 +50,7 @@ def recording(): stereo_array[flag][1] = frame[1] flag = flag + 1 print(stereo_array) + # 存储到文件 testfile.raw sf.write('../recorded_audio/testfile.raw', data=stereo_array, subtype='PCM_16', samplerate=fs) @@ -55,9 +60,10 @@ if __name__ == '__main__': output_channels = settings.MAX_OUTPUT_CHANNEL device_list = sd.query_devices() # 获取电脑上的所有音频设备 - recording() # 播放音频 + print(device_list) + recording() # 录制 while True: - play_pcm_raw() + play_pcm_raw() # 播放pcm user_input = input("输入1继续播放，输入2退出测试") if user_input == '1': continue diff --git a/src/settings.py b/src/settings.py index 5b1f086..8628659 100644 --- a/src/settings.py +++ b/src/settings.py @@ -1,3 +1,4 @@ HOST_API = 'WASAPI' MAX_INPUT_CHANNEL = 18 MAX_OUTPUT_CHANNEL = 2 +DEVICE_NAME = 'USB Audio Device (UAC2.0)'