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[英]unable to transcode data stream audio/flac -> audio/x-float-array
[英]php cuRL response “unable to transcode data stream audio/flac -> audio/x-float-array” - IBM Watson Speech to text API
我對如何使用cURL不太了解。我正在嘗試使用IBM Watson API將Speech轉換為Text。 當我嘗試不使用參數進行轉換(翻譯英語音頻文件)時,我得到的響應沒有任何錯誤。
但是當我添加
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
'model'=>'ja-JP_NarrowbandModel'
))
它返回
{ "code_description": "Bad Request", "code": 400, "error": "unable to
transcode data stream audio/flac -> audio/x-float-array " }
我不確定我的語法是否有問題,或者那里有其他問題。
我從以下網址閱讀文檔: https : //console.bluemix.net/docs/services/speech-to-text/http.html#http
<?php
$ch = curl_init();
$file = file_get_contents('audio-file.flac');
curl_setopt($ch, CURLOPT_URL, 'https://stream.watsonplatform.net/speech-to-text/api/v1/recognize');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $file);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_USERPWD, 'apikey' . ':' . 'MY_API_HERE');
$headers = array();
$headers[] = 'Content-Type: audio/flac';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
'model'=>'ja-JP_NarrowbandModel'
));
$result = curl_exec($ch);
if (curl_errno($ch)) {
echo 'Error:' . curl_error($ch);
}
curl_close($ch);
print_r($result);
您將兩次設置CURLOPT_POSTFIELDS
,一次是使用文件的內容,第二次是使用包含'model'=>'ja-JP_NarrowbandModel'
的數組。
根據文檔 ,您可以將模型作為查詢參數傳遞。
嘗試這樣的事情(未經測試):
<?php
$file = file_get_contents('audio-file.flac');
$url = 'https://stream.watsonplatform.net/speech-to-text/api/v1/recognize';
$model = 'ja-JP_NarrowbandModel';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url . '?model=' . $model);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $file);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_USERPWD, 'apikey' . ':' . 'MY_API_HERE');
$headers = array();
$headers[] = 'Content-Type: audio/flac';
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
if (curl_errno($ch)) {
echo 'Error:' . curl_error($ch);
}
curl_close($ch);
print_r($result);
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