add timestamp smooth

This commit is contained in:
雾聪 2023-12-11 15:51:38 +08:00
parent 172e7ac986
commit d674c29323
7 changed files with 388 additions and 15 deletions

View File

@ -55,7 +55,7 @@ void runReg(FUNASR_HANDLE asr_handle, vector<string> wav_list, vector<string> wa
for (size_t i = 0; i < 1; i++)
{
FunOfflineReset(asr_handle, decoder_handle);
FUNASR_RESULT result=FunOfflineInfer(asr_handle, wav_list[0].c_str(), RASR_NONE, NULL, hotwords_embedding, 16000, false, decoder_handle);
FUNASR_RESULT result=FunOfflineInfer(asr_handle, wav_list[0].c_str(), RASR_NONE, NULL, hotwords_embedding, 16000, true, decoder_handle);
if(result){
FunASRFreeResult(result);
}
@ -69,7 +69,7 @@ void runReg(FUNASR_HANDLE asr_handle, vector<string> wav_list, vector<string> wa
}
gettimeofday(&start, NULL);
FUNASR_RESULT result=FunOfflineInfer(asr_handle, wav_list[i].c_str(), RASR_NONE, NULL, hotwords_embedding, 16000, false, decoder_handle);
FUNASR_RESULT result=FunOfflineInfer(asr_handle, wav_list[i].c_str(), RASR_NONE, NULL, hotwords_embedding, 16000, true, decoder_handle);
gettimeofday(&end, NULL);
seconds = (end.tv_sec - start.tv_sec);

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@ -157,7 +157,7 @@ int main(int argc, char** argv)
auto& wav_file = wav_list[i];
auto& wav_id = wav_ids[i];
gettimeofday(&start, NULL);
FUNASR_RESULT result=FunOfflineInfer(asr_hanlde, wav_file.c_str(), RASR_NONE, NULL, hotwords_embedding, 16000, false, decoder_handle);
FUNASR_RESULT result=FunOfflineInfer(asr_hanlde, wav_file.c_str(), RASR_NONE, NULL, hotwords_embedding, 16000, true, decoder_handle);
gettimeofday(&end, NULL);
seconds = (end.tv_sec - start.tv_sec);
taking_micros += ((seconds * 1000000) + end.tv_usec) - (start.tv_usec);

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@ -294,6 +294,12 @@
#if !defined(__APPLE__)
if(offline_stream->UseITN() && itn){
string msg_itn = offline_stream->itn_handle->Normalize(p_result->msg);
if(!(p_result->stamp).empty()){
std::string new_stamp = funasr::TimestampSmooth(p_result->msg, msg_itn, p_result->stamp);
if(!new_stamp.empty()){
p_result->stamp = new_stamp;
}
}
p_result->msg = msg_itn;
}
#endif
@ -384,6 +390,12 @@
#if !defined(__APPLE__)
if(offline_stream->UseITN() && itn){
string msg_itn = offline_stream->itn_handle->Normalize(p_result->msg);
if(!(p_result->stamp).empty()){
std::string new_stamp = funasr::TimestampSmooth(p_result->msg, msg_itn, p_result->stamp);
if(!new_stamp.empty()){
p_result->stamp = new_stamp;
}
}
p_result->msg = msg_itn;
}
#endif
@ -524,6 +536,13 @@
#if !defined(__APPLE__)
if(tpass_stream->UseITN() && itn){
string msg_itn = tpass_stream->itn_handle->Normalize(msg_punc);
// TimestampSmooth
if(!(p_result->stamp).empty()){
std::string new_stamp = funasr::TimestampSmooth(p_result->tpass_msg, msg_itn, p_result->stamp);
if(!new_stamp.empty()){
p_result->stamp = new_stamp;
}
}
p_result->tpass_msg = msg_itn;
}
#endif

View File

@ -300,10 +300,15 @@ void Paraformer::InitSegDict(const std::string &seg_dict_model) {
Paraformer::~Paraformer()
{
if(vocab)
if(vocab){
delete vocab;
if(seg_dict)
}
if(seg_dict){
delete seg_dict;
}
if(phone_set_){
delete phone_set_;
}
}
void Paraformer::StartUtterance()

View File

@ -247,6 +247,316 @@ void SplitChiEngCharacters(const std::string &input_str,
}
}
// Timestamp Smooth
void TimestampAdd(std::deque<string> &alignment_str1, std::string str_word){
if(!TimestampIsPunctuation(str_word)){
alignment_str1.push_front(str_word);
}
}
bool TimestampIsPunctuation(const std::string& str) {
const std::string punctuation = u8",。?、,.?";
for (char ch : str) {
if (punctuation.find(ch) == std::string::npos) {
return false;
}
}
return true;
}
vector<vector<int>> ParseTimestamps(const std::string& str) {
vector<vector<int>> timestamps;
std::istringstream ss(str);
std::string segment;
// skip first'['
ss.ignore(1);
while (std::getline(ss, segment, ']')) {
std::istringstream segmentStream(segment);
std::string number;
vector<int> ts;
// skip'['
segmentStream.ignore(1);
while (std::getline(segmentStream, number, ',')) {
ts.push_back(std::stoi(number));
}
if(ts.size() != 2){
LOG(ERROR) << "ParseTimestamps Failed";
timestamps.clear();
return timestamps;
}
timestamps.push_back(ts);
ss.ignore(1);
}
return timestamps;
}
bool TimestampIsDigit(U16CHAR_T &u16) {
return u16 >= L'0' && u16 <= L'9';
}
bool TimestampIsAlpha(U16CHAR_T &u16) {
return (u16 >= L'A' && u16 <= L'Z') || (u16 >= L'a' && u16 <= L'z');
}
bool TimestampIsPunctuation(U16CHAR_T &u16) {
return (u16 >= 0x21 && u16 <= 0x2F) // 标准ASCII标点
|| (u16 >= 0x3A && u16 <= 0x40) // 标准ASCII标点
|| (u16 >= 0x5B && u16 <= 0x60) // 标准ASCII标点
|| (u16 >= 0x7B && u16 <= 0x7E) // 标准ASCII标点
|| (u16 >= 0x2000 && u16 <= 0x206F) // 常用的Unicode标点
|| (u16 >= 0x3000 && u16 <= 0x303F); // CJK符号和标点
}
void TimestampSplitChiEngCharacters(const std::string &input_str,
std::vector<std::string> &characters) {
characters.resize(0);
std::string eng_word = "";
U16CHAR_T space = 0x0020;
std::vector<U16CHAR_T> u16_buf;
u16_buf.resize(std::max(u16_buf.size(), input_str.size() + 1));
U16CHAR_T* pu16 = u16_buf.data();
U8CHAR_T * pu8 = (U8CHAR_T*)input_str.data();
size_t ilen = input_str.size();
size_t len = EncodeConverter::Utf8ToUtf16(pu8, ilen, pu16, ilen + 1);
for (size_t i = 0; i < len; i++) {
if (EncodeConverter::IsChineseCharacter(pu16[i])) {
if(!eng_word.empty()){
characters.push_back(eng_word);
eng_word = "";
}
U8CHAR_T u8buf[4];
size_t n = EncodeConverter::Utf16ToUtf8(pu16 + i, u8buf);
u8buf[n] = '\0';
characters.push_back((const char*)u8buf);
} else if (TimestampIsDigit(pu16[i]) || TimestampIsPunctuation(pu16[i])){
if(!eng_word.empty()){
characters.push_back(eng_word);
eng_word = "";
}
U8CHAR_T u8buf[4];
size_t n = EncodeConverter::Utf16ToUtf8(pu16 + i, u8buf);
u8buf[n] = '\0';
characters.push_back((const char*)u8buf);
} else if (pu16[i] == space){
if(!eng_word.empty()){
characters.push_back(eng_word);
eng_word = "";
}
}else{
U8CHAR_T u8buf[4];
size_t n = EncodeConverter::Utf16ToUtf8(pu16 + i, u8buf);
u8buf[n] = '\0';
eng_word += (const char*)u8buf;
}
}
if(!eng_word.empty()){
characters.push_back(eng_word);
eng_word = "";
}
}
std::string VectorToString(const std::vector<std::vector<int>>& vec) {
if(vec.size() == 0){
return "";
}
std::ostringstream out;
out << "[";
for (size_t i = 0; i < vec.size(); ++i) {
out << "[";
for (size_t j = 0; j < vec[i].size(); ++j) {
out << vec[i][j];
if (j < vec[i].size() - 1) {
out << ",";
}
}
out << "]";
if (i < vec.size() - 1) {
out << ",";
}
}
out << "]";
return out.str();
}
std::string TimestampSmooth(std::string &text, std::string &text_itn, std::string &str_time){
vector<vector<int>> timestamps_out;
std::string timestamps_str = "";
// process string to vector<string>
std::vector<std::string> characters;
funasr::TimestampSplitChiEngCharacters(text, characters);
std::vector<std::string> characters_itn;
funasr::TimestampSplitChiEngCharacters(text_itn, characters_itn);
//convert string to vector<vector<int>>
vector<vector<int>> timestamps = funasr::ParseTimestamps(str_time);
if (timestamps.size() == 0){
LOG(ERROR) << "Timestamp Smooth Failed: Length of timestamp is zero";
return timestamps_str;
}
// edit distance
int m = characters.size();
int n = characters_itn.size();
std::vector<std::vector<int>> dp(m + 1, std::vector<int>(n + 1, 0));
// init
for (int i = 0; i <= m; ++i) {
dp[i][0] = i;
}
for (int j = 0; j <= n; ++j) {
dp[0][j] = j;
}
// dp
for (int i = 1; i <= m; ++i) {
for (int j = 1; j <= n; ++j) {
if (characters[i - 1] == characters_itn[j - 1]) {
dp[i][j] = dp[i - 1][j - 1];
} else {
dp[i][j] = std::min({dp[i - 1][j], dp[i][j - 1], dp[i - 1][j - 1]}) + 1;
}
}
}
// backtrack
std::deque<string> alignment_str1, alignment_str2;
int i = m, j = n;
while (i > 0 || j > 0) {
if (i > 0 && j > 0 && dp[i][j] == dp[i - 1][j - 1]) {
funasr::TimestampAdd(alignment_str1, characters[i - 1]);
funasr::TimestampAdd(alignment_str2, characters_itn[j - 1]);
i -= 1;
j -= 1;
} else if (i > 0 && dp[i][j] == dp[i - 1][j] + 1) {
funasr::TimestampAdd(alignment_str1, characters[i - 1]);
alignment_str2.push_front("");
i -= 1;
} else if (j > 0 && dp[i][j] == dp[i][j - 1] + 1) {
alignment_str1.push_front("");
funasr::TimestampAdd(alignment_str2, characters_itn[j - 1]);
j -= 1;
} else{
funasr::TimestampAdd(alignment_str1, characters[i - 1]);
funasr::TimestampAdd(alignment_str2, characters_itn[j - 1]);
i -= 1;
j -= 1;
}
}
// smooth
int itn_count = 0;
int idx_tp = 0;
int idx_itn = 0;
vector<vector<int>> timestamps_tmp;
for(int index = 0; index < alignment_str1.size(); index++){
if (alignment_str1[index] == alignment_str2[index]){
bool subsidy = false;
if (itn_count > 0 && timestamps_tmp.size() == 0){
if(idx_tp >= timestamps.size()){
LOG(ERROR) << "Timestamp Smooth Failed: Index of tp is out of range. ";
return timestamps_str;
}
timestamps_tmp.push_back(timestamps[idx_tp]);
subsidy = true;
itn_count++;
}
if (timestamps_tmp.size() > 0){
if (itn_count > 0){
int begin = timestamps_tmp[0][0];
int end = timestamps_tmp.back()[1];
int total_time = end - begin;
int interval = total_time / itn_count;
for(int idx_cnt=0; idx_cnt < itn_count; idx_cnt++){
vector<int> ts;
ts.push_back(begin + interval*idx_cnt);
if(idx_cnt == itn_count-1){
ts.push_back(end);
}else {
ts.push_back(begin + interval*(idx_cnt + 1));
}
timestamps_out.push_back(ts);
}
}
timestamps_tmp.clear();
}
if(!subsidy){
if(idx_tp >= timestamps.size()){
LOG(ERROR) << "Timestamp Smooth Failed: Index of tp is out of range. ";
return timestamps_str;
}
timestamps_out.push_back(timestamps[idx_tp]);
}
idx_tp++;
itn_count = 0;
}else{
if (!alignment_str1[index].empty()){
if(idx_tp >= timestamps.size()){
LOG(ERROR) << "Timestamp Smooth Failed: Index of tp is out of range. ";
return timestamps_str;
}
timestamps_tmp.push_back(timestamps[idx_tp]);
idx_tp++;
}
if (!alignment_str2[index].empty()){
itn_count++;
}
}
// count length of itn
if (!alignment_str2[index].empty()){
idx_itn++;
}
}
{
if (itn_count > 0 && timestamps_tmp.size() == 0){
if (timestamps_out.size() > 0){
timestamps_tmp.push_back(timestamps_out.back());
itn_count++;
timestamps_out.pop_back();
} else{
LOG(ERROR) << "Timestamp Smooth Failed: Last itn has no timestamp.";
return timestamps_str;
}
}
if (timestamps_tmp.size() > 0){
if (itn_count > 0){
int begin = timestamps_tmp[0][0];
int end = timestamps_tmp.back()[1];
int total_time = end - begin;
int interval = total_time / itn_count;
for(int idx_cnt=0; idx_cnt < itn_count; idx_cnt++){
vector<int> ts;
ts.push_back(begin + interval*idx_cnt);
if(idx_cnt == itn_count-1){
ts.push_back(end);
}else {
ts.push_back(begin + interval*(idx_cnt + 1));
}
timestamps_out.push_back(ts);
}
}
timestamps_tmp.clear();
}
}
if(timestamps_out.size() != idx_itn){
LOG(ERROR) << "Timestamp Smooth Failed: Timestamp length does not matched.";
return timestamps_str;
}
timestamps_str = VectorToString(timestamps_out);
return timestamps_str;
}
std::vector<std::string> split(const std::string &s, char delim) {
std::vector<std::string> elems;
std::stringstream ss(s);
@ -333,12 +643,23 @@ string PostProcess(std::vector<string> &raw_char, std::vector<std::vector<float>
int sub_word = !(word.find("@@") == string::npos);
// process word start and middle part
if (sub_word) {
combine += word.erase(word.length() - 2);
if(!is_combining){
begin = timestamp_list[i][0];
// if badcase: lo@@ chinese
if (i == raw_char.size()-1 || i<raw_char.size()-1 && IsChinese(raw_char[i+1])){
word = word.erase(word.length() - 2) + " ";
if (is_combining) {
combine += word;
is_combining = false;
word = combine;
combine = "";
}
}else{
combine += word.erase(word.length() - 2);
if(!is_combining){
begin = timestamp_list[i][0];
}
is_combining = true;
continue;
}
is_combining = true;
continue;
}
// process word end part
else if (is_combining) {
@ -669,4 +990,9 @@ void ExtractHws(string hws_file, unordered_map<string, int> &hws_map, string& nn
ifs_hws.close();
}
void SmoothTimestamps(std::string &str_punc, std::string &str_itn, std::string &str_timetamp){
return;
}
} // namespace funasr

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@ -3,11 +3,13 @@
#include <vector>
#include <memory>
#include <unordered_map>
#include <deque>
#include "tensor.h"
using namespace std;
namespace funasr {
typedef unsigned short U16CHAR_T;
extern float *LoadParams(const char *filename);
extern void SaveDataFile(const char *filename, void *data, uint32_t len);
@ -35,6 +37,16 @@ void KeepChineseCharacterAndSplit(const std::string &input_str,
std::vector<std::string> &chinese_characters);
void SplitChiEngCharacters(const std::string &input_str,
std::vector<std::string> &characters);
void TimestampAdd(std::deque<string> &alignment_str1, std::string str_word);
vector<vector<int>> ParseTimestamps(const std::string& str);
bool TimestampIsDigit(U16CHAR_T &u16);
bool TimestampIsAlpha(U16CHAR_T &u16);
bool TimestampIsPunctuation(U16CHAR_T &u16);
bool TimestampIsPunctuation(const std::string& str);
void TimestampSplitChiEngCharacters(const std::string &input_str,
std::vector<std::string> &characters);
std::string VectorToString(const std::vector<std::vector<int>>& vec);
std::string TimestampSmooth(std::string &text, std::string &text_itn, std::string &str_time);
std::vector<std::string> split(const std::string &s, char delim);

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@ -120,8 +120,8 @@ string Vocab::Vector2StringV2(vector<int> in, std::string language)
std::string combine = "";
std::string unicodeChar = "";
for (auto it = in.begin(); it != in.end(); it++) {
string word = vocab[*it];
for (i=0; i<in.size(); i++){
string word = vocab[in[i]];
// step1 space character skips
if (word == "<s>" || word == "</s>" || word == "<unk>")
continue;
@ -146,9 +146,20 @@ string Vocab::Vector2StringV2(vector<int> in, std::string language)
int sub_word = !(word.find("@@") == string::npos);
// process word start and middle part
if (sub_word) {
combine += word.erase(word.length() - 2);
is_combining = true;
continue;
// if badcase: lo@@ chinese
if (i == in.size()-1 || i<in.size()-1 && IsChinese(vocab[in[i+1]])){
word = word.erase(word.length() - 2) + " ";
if (is_combining) {
combine += word;
is_combining = false;
word = combine;
combine = "";
}
}else{
combine += word.erase(word.length() - 2);
is_combining = true;
continue;
}
}
// process word end part
else if (is_combining) {