一、准备工作
（1）开通腾讯云 https://cloud.tencent.com/
（2）腾讯云控制台开通实时语音权限 https://console.cloud.tencent.com/asr
（3）控制台设置秘钥 https://console.cloud.tencent.com/cam/capi
内容 | 说明 |
|---|---|
支持语言 | 中文普通话 |
音频格式 | wav、pcm、ogg-opus、speex、silk、mp3、m4a、aac |
使用限制 | 支持100MB以内音频文件的识别 |
请求协议 | HTTPS |
请求地址 | https://asr.cloud.tencent.com/asr/flash/v1/<appid>?{请求参数} |
二、代码
代码语言：javascript复制<?php
//极速版录音文件识别
class SpeedVoice
{
//腾讯云密钥信息 需要配置
const APPID = "您的APPID";
const SECRET_ID = "您的SECRET_ID";
const SECRET_KEY = "您的SECRET_KEY";
const AGREEMENT = "https";
const VOICE_URL = "asr.cloud.tencent.com/asr/flash/v1/";
const HTTPRequestMethod = "POST";
//引擎模型类型。8k_zh：8k 中文普通话通用；16k_zh：16k 中文普通话通用；16k_en：16k 英语；16k_zh_video：16k 音视频领域。
static $ENGINE_MODEL_TYPE = '16k_zh';
//结果返回方式 0：同步返回，拿到全部中间结果， or 1：尾包返回
static $RES_TYPE = 1;
// 支持 wav、pcm、ogg-opus、speex、silk、mp3、m4a、aac。
static $VOICE_FORMAT = 'mp3';
//是否开启说话人分离
static $SPEAKER_DIARIZATION = 0;
//后处理参数
static $FILTER_DIRTY = 0;
static $FILTER_MODAL = 0;
static $FILTER_PUNC = 0;
static $CONVERT_NUM_MODE = 1;
static $WORD_INFO = 0;
static $FIRST_CHANNEL_ONLY = 1;
public static function voice($pathFile)
{
//get请求 设置url参数
$timestamp = time();
$httpUrlParams =
[
"appid" => self::APPID,
"secretid" => self::SECRET_ID,
"engine_type" => self::$ENGINE_MODEL_TYPE,
"voice_format" => self::$VOICE_FORMAT,
"timestamp" => $timestamp,
"speaker_diarization" => self::$SPEAKER_DIARIZATION,
"filter_dirty" => self::$FILTER_DIRTY,
"filter_modal" => self::$FILTER_MODAL,
"filter_punc" => self::$FILTER_PUNC,
"convert_num_mode" => self::$CONVERT_NUM_MODE,
"word_info" => self::$WORD_INFO,
"first_channel_only" => self::$FIRST_CHANNEL_ONLY
];
//get请求url拼接
$requestUrl = self::AGREEMENT . "://" . self::VOICE_URL . self::APPID . "?";
//剔除appid
unset($httpUrlParams["appid"]);
//生成URL请求地址
$requestUrl .= http_build_query($httpUrlParams);
//鉴权
$sign = self::getAuthorizationString($httpUrlParams);
//分片数据包
$sectionData = file_get_contents($pathFile);
$headers = [
'Host: asr.cloud.tencent.com',
'Content-Type: application/octet-stream',
'Authorization: ' . $sign,
'Content-Length: ' . strlen($sectionData),
];
$result = self::get_curl_request($requestUrl, $sectionData, 'POST', $headers);
print_r($result);
}
/**
* 发送请求
* @param $url
* @param array $param
* @param string $mothod
* @param array $headers
* @param int $return_status
* @param int $flag 关闭https证书
* @return array|bool|string
*/
static private function get_curl_request($url, $param, $mothod = 'POST', $headers = [], $return_status = 0, $flag = 0)
{
$ch = curl_init();
if (!$flag) {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
}
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if (strtolower($mothod) == 'post') {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
} else {
$url = $url . "?" . http_build_query($param);
}
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 2);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$ret = curl_exec($ch);
$code = curl_getinfo($ch);
curl_close($ch);
if ($return_status == "1") {
return array($ret, $code);
}
return $ret;
}
/**
* 生成随机字符串
* @param $len
* @param bool $special 是否开启特殊字符
* @return string
*/
private static function getRandomString($len, $special = false)
{
$chars = array(
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
"l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
"w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",
"H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
"S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",
"3", "4", "5", "6", "7", "8", "9"
);
if ($special) {
$chars = array_merge($chars, array(
"!", "@", "#", "$", "?", "|", "{", "/", ":", ";",
"%", "^", "&", "*", "(", ")", "-", "_", "[", "]",
"}", "<", ">", "~", " ", "=", ",", "."
));
}
$charsLen = count($chars) - 1;
shuffle($chars); //打乱数组顺序
$str = '';
for ($i = 0; $i < $len; $i ) {
$str .= $chars[mt_rand(0, $charsLen)]; //随机取出一位
}
return $str;
}
/**
* 创建签名
* @param $params array 提交参数数组
* @return string
*/
private static function getAuthorizationString($params)
{
//加密字符串拼接
$signString = self::HTTPRequestMethod . self::VOICE_URL . self::APPID . "?";
//排序
ksort($params, SORT_STRING);
//去除appid
unset($params["appid"]);
//转url
$signString .= http_build_query($params);
$sign = base64_encode(hash_hmac('SHA1', $signString, self::SECRET_KEY, true));
return $sign;
}
}
//请求示例
SpeedVoice::$VOICE_FORMAT = "wav";
SpeedVoice::voice("./0914.wav");
