增加分角色语音识别对ERes2Net模型的支持。

夜雨飘零

2023-12-04 73613cefc97bd43699d10b8d162c69b2c4544ad5

增加分角色语音识别对ERes2Net模型的支持。

 funasr/bin/asr_inference_launch.py

@@ -54,7 +54,7 @@
                                        CAMPPlus, 
                                        extract_feature, 
                                        postprocess,
                                        distribute_spk)
                                        distribute_spk, ERes2Net)
from funasr.build_utils.build_model_from_file import build_model_from_file
from funasr.utils.cluster_backend import ClusterBackend
from funasr.utils.modelscope_utils import get_cache_dir
@@ -819,6 +819,10 @@
    )

    sv_model_file = asr_model_file.replace("model.pb", "campplus_cn_common.bin")
    if not os.path.exists(sv_model_file):
        sv_model_file = asr_model_file.replace("model.pb", "pretrained_eres2net_aug.ckpt")
        if not os.path.exists(sv_model_file):
            raise FileNotFoundError("sv_model_file not found: {}".format(sv_model_file))

    if param_dict is not None:
        hotword_list_or_file = param_dict.get('hotword')
@@ -944,8 +948,14 @@
            #####  speaker_verification  #####
            ##################################
            # load sv model
            sv_model_dict = torch.load(sv_model_file, map_location=torch.device('cpu'))
            sv_model_dict = torch.load(sv_model_file)
            print(f'load sv model params: {sv_model_file}')
            if os.path.basename(sv_model_file) == "campplus_cn_common.bin":
            sv_model = CAMPPlus()
            else:
                sv_model = ERes2Net()
            if ngpu > 0:
                sv_model.cuda()
            sv_model.load_state_dict(sv_model_dict)
            sv_model.eval()
            cb_model = ClusterBackend()
@@ -969,9 +979,11 @@
                    embs = []
                    for x in wavs:
                        x = extract_feature([x])
                        if ngpu > 0:
                            x = x.cuda()
                        embs.append(sv_model(x))
                    embs = torch.cat(embs)
                    embeddings.append(embs.detach().numpy())
                    embeddings.append(embs.cpu().detach().numpy())
                embeddings = np.concatenate(embeddings)
                labels = cb_model(embeddings)
                sv_output = postprocess(segments, vad_segments, labels, embeddings)

 funasr/utils/speaker_utils.py

@@ -1,6 +1,7 @@
# Copyright (c) Alibaba, Inc. and its affiliates.
""" Some implementations are adapted from https://github.com/yuyq96/D-TDNN
"""
import math

import torch
import torch.nn.functional as F
@@ -591,3 +592,300 @@
        d['spk'] = sentence_spk
        sd_sentence_list.append(d)
    return sd_sentence_list


class AFF(nn.Module):

    def __init__(self, channels=64, r=4):
        super(AFF, self).__init__()
        inter_channels = int(channels // r)

        self.local_att = nn.Sequential(
            nn.Conv2d(channels * 2, inter_channels, kernel_size=1, stride=1, padding=0),
            nn.BatchNorm2d(inter_channels),
            nn.SiLU(inplace=True),
            nn.Conv2d(inter_channels, channels, kernel_size=1, stride=1, padding=0),
            nn.BatchNorm2d(channels),
        )

    def forward(self, x, ds_y):
        xa = torch.cat((x, ds_y), dim=1)
        x_att = self.local_att(xa)
        x_att = 1.0 + torch.tanh(x_att)
        xo = torch.mul(x, x_att) + torch.mul(ds_y, 2.0 - x_att)

        return xo


class TSTP(nn.Module):
    """
    Temporal statistics pooling, concatenate mean and std, which is used in
    x-vector
    Comment: simple concatenation can not make full use of both statistics
    """

    def __init__(self, **kwargs):
        super(TSTP, self).__init__()

    def forward(self, x):
        # The last dimension is the temporal axis
        pooling_mean = x.mean(dim=-1)
        pooling_std = torch.sqrt(torch.var(x, dim=-1) + 1e-8)
        pooling_mean = pooling_mean.flatten(start_dim=1)
        pooling_std = pooling_std.flatten(start_dim=1)

        stats = torch.cat((pooling_mean, pooling_std), 1)
        return stats


class ReLU(nn.Hardtanh):

    def __init__(self, inplace=False):
        super(ReLU, self).__init__(0, 20, inplace)

    def __repr__(self):
        inplace_str = 'inplace' if self.inplace else ''
        return self.__class__.__name__ + ' (' \
            + inplace_str + ')'


def conv1x1(in_planes, out_planes, stride=1):
    "1x1 convolution without padding"
    return nn.Conv2d(in_planes, out_planes, kernel_size=1, stride=stride,
                     padding=0, bias=False)


def conv3x3(in_planes, out_planes, stride=1):
    "3x3 convolution with padding"
    return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride,
                     padding=1, bias=False)


class BasicBlockERes2Net(nn.Module):
    expansion = 4

    def __init__(self, in_planes, planes, stride=1, baseWidth=24, scale=3):
        super(BasicBlockERes2Net, self).__init__()
        width = int(math.floor(planes * (baseWidth / 64.0)))
        self.conv1 = conv1x1(in_planes, width * scale, stride)
        self.bn1 = nn.BatchNorm2d(width * scale)
        self.nums = scale

        convs = []
        bns = []
        for i in range(self.nums):
            convs.append(conv3x3(width, width))
            bns.append(nn.BatchNorm2d(width))
        self.convs = nn.ModuleList(convs)
        self.bns = nn.ModuleList(bns)
        self.relu = ReLU(inplace=True)

        self.conv3 = conv1x1(width * scale, planes * self.expansion)
        self.bn3 = nn.BatchNorm2d(planes * self.expansion)
        self.shortcut = nn.Sequential()
        if stride != 1 or in_planes != self.expansion * planes:
            self.shortcut = nn.Sequential(
                nn.Conv2d(in_planes,
                          self.expansion * planes,
                          kernel_size=1,
                          stride=stride,
                          bias=False),
                nn.BatchNorm2d(self.expansion * planes))
        self.stride = stride
        self.width = width
        self.scale = scale

    def forward(self, x):
        residual = x

        out = self.conv1(x)
        out = self.bn1(out)
        out = self.relu(out)
        spx = torch.split(out, self.width, 1)
        for i in range(self.nums):
            if i == 0:
                sp = spx[i]
            else:
                sp = sp + spx[i]
            sp = self.convs[i](sp)
            sp = self.relu(self.bns[i](sp))
            if i == 0:
                out = sp
            else:
                out = torch.cat((out, sp), 1)

        out = self.conv3(out)
        out = self.bn3(out)

        residual = self.shortcut(x)
        out += residual
        out = self.relu(out)

        return out


class BasicBlockERes2Net_diff_AFF(nn.Module):
    expansion = 4

    def __init__(self, in_planes, planes, stride=1, baseWidth=24, scale=3):
        super(BasicBlockERes2Net_diff_AFF, self).__init__()
        width = int(math.floor(planes * (baseWidth / 64.0)))
        self.conv1 = conv1x1(in_planes, width * scale, stride)
        self.bn1 = nn.BatchNorm2d(width * scale)

        self.nums = scale

        convs = []
        fuse_models = []
        bns = []
        for i in range(self.nums):
            convs.append(conv3x3(width, width))
            bns.append(nn.BatchNorm2d(width))
        for j in range(self.nums - 1):
            fuse_models.append(AFF(channels=width))

        self.convs = nn.ModuleList(convs)
        self.bns = nn.ModuleList(bns)
        self.fuse_models = nn.ModuleList(fuse_models)
        self.relu = ReLU(inplace=True)

        self.conv3 = conv1x1(width * scale, planes * self.expansion)
        self.bn3 = nn.BatchNorm2d(planes * self.expansion)
        self.shortcut = nn.Sequential()
        if stride != 1 or in_planes != self.expansion * planes:
            self.shortcut = nn.Sequential(
                nn.Conv2d(in_planes,
                          self.expansion * planes,
                          kernel_size=1,
                          stride=stride,
                          bias=False),
                nn.BatchNorm2d(self.expansion * planes))
        self.stride = stride
        self.width = width
        self.scale = scale

    def forward(self, x):
        residual = x

        out = self.conv1(x)
        out = self.bn1(out)
        out = self.relu(out)
        spx = torch.split(out, self.width, 1)
        for i in range(self.nums):
            if i == 0:
                sp = spx[i]
            else:
                sp = self.fuse_models[i - 1](sp, spx[i])

            sp = self.convs[i](sp)
            sp = self.relu(self.bns[i](sp))
            if i == 0:
                out = sp
            else:
                out = torch.cat((out, sp), 1)

        out = self.conv3(out)
        out = self.bn3(out)

        residual = self.shortcut(x)
        out += residual
        out = self.relu(out)

        return out


class ERes2Net(nn.Module):
    def __init__(self,
                 block=BasicBlockERes2Net,
                 block_fuse=BasicBlockERes2Net_diff_AFF,
                 num_blocks=[3, 4, 6, 3],
                 m_channels=64,
                 feat_dim=80,
                 embedding_size=192,
                 pooling_func='TSTP',
                 two_emb_layer=False):
        super(ERes2Net, self).__init__()
        self.in_planes = m_channels
        self.feat_dim = feat_dim
        self.embedding_size = embedding_size
        self.stats_dim = int(feat_dim / 8) * m_channels * 8
        self.two_emb_layer = two_emb_layer

        self.conv1 = nn.Conv2d(1,
                               m_channels,
                               kernel_size=3,
                               stride=1,
                               padding=1,
                               bias=False)
        self.bn1 = nn.BatchNorm2d(m_channels)
        self.layer1 = self._make_layer(block,
                                       m_channels,
                                       num_blocks[0],
                                       stride=1)
        self.layer2 = self._make_layer(block,
                                       m_channels * 2,
                                       num_blocks[1],
                                       stride=2)
        self.layer3 = self._make_layer(block_fuse,
                                       m_channels * 4,
                                       num_blocks[2],
                                       stride=2)
        self.layer4 = self._make_layer(block_fuse,
                                       m_channels * 8,
                                       num_blocks[3],
                                       stride=2)

        self.layer1_downsample = nn.Conv2d(m_channels * 4, m_channels * 8, kernel_size=3, padding=1, stride=2,
                                           bias=False)
        self.layer2_downsample = nn.Conv2d(m_channels * 8, m_channels * 16, kernel_size=3, padding=1, stride=2,
                                           bias=False)
        self.layer3_downsample = nn.Conv2d(m_channels * 16, m_channels * 32, kernel_size=3, padding=1, stride=2,
                                           bias=False)
        self.fuse_mode12 = AFF(channels=m_channels * 8)
        self.fuse_mode123 = AFF(channels=m_channels * 16)
        self.fuse_mode1234 = AFF(channels=m_channels * 32)

        self.n_stats = 1 if pooling_func == 'TAP' or pooling_func == "TSDP" else 2
        self.pool = TSTP(in_dim=self.stats_dim * block.expansion)
        self.seg_1 = nn.Linear(self.stats_dim * block.expansion * self.n_stats,
                               embedding_size)
        if self.two_emb_layer:
            self.seg_bn_1 = nn.BatchNorm1d(embedding_size, affine=False)
            self.seg_2 = nn.Linear(embedding_size, embedding_size)
        else:
            self.seg_bn_1 = nn.Identity()
            self.seg_2 = nn.Identity()

    def _make_layer(self, block, planes, num_blocks, stride):
        strides = [stride] + [1] * (num_blocks - 1)
        layers = []
        for stride in strides:
            layers.append(block(self.in_planes, planes, stride))
            self.in_planes = planes * block.expansion
        return nn.Sequential(*layers)

    def forward(self, x):
        x = x.permute(0, 2, 1)  # (B,T,F) => (B,F,T)

        x = x.unsqueeze_(1)
        out = F.relu(self.bn1(self.conv1(x)))
        out1 = self.layer1(out)
        out2 = self.layer2(out1)
        out1_downsample = self.layer1_downsample(out1)
        fuse_out12 = self.fuse_mode12(out2, out1_downsample)
        out3 = self.layer3(out2)
        fuse_out12_downsample = self.layer2_downsample(fuse_out12)
        fuse_out123 = self.fuse_mode123(out3, fuse_out12_downsample)
        out4 = self.layer4(out3)
        fuse_out123_downsample = self.layer3_downsample(fuse_out123)
        fuse_out1234 = self.fuse_mode1234(out4, fuse_out123_downsample)
        stats = self.pool(fuse_out1234)

        embed_a = self.seg_1(stats)
        if self.two_emb_layer:
            out = F.relu(embed_a)
            out = self.seg_bn_1(out)
            embed_b = self.seg_2(out)
            return embed_b
        else:
            return embed_a